Genus

Great Herons and Egrets

Ardea

12 species in our catalog · found in 297 parks

KingdomAnimalia (Animals)
PhylumChordata (Chordates)
ClassAves (Birds)
OrderPelecaniformes (Pelicans, Herons, Ibises, and Allies)
FamilyArdeidae (Herons, Egrets, and Bitterns)
GenusArdea (Great Herons and Egrets)

Species in this group

Each card shows the species at its best park — tap for the full profile

Ardea alba

Daily sighting probability ~80% · Very likely

Ardea purpurea

Daily sighting probability ~80% · Very likely

Ardea cinerea

Daily sighting probability ~80% · Very likely

Ardea herodias

Daily sighting probability ~70% · Very likely

Ardea cocoi

Daily sighting probability ~70% · Very likely

Ardea melanocephala

Daily sighting probability ~50% · Likely

Ardea goliath

Daily sighting probability ~50% · Likely

Ardea pacifica

Daily sighting probability ~30% · Possible

Ardea sumatrana

Daily sighting probability ~30% · Possible

Ardea modesta

Daily sighting probability ~20% · Possible

Ardea insignis

Daily sighting probability ~10% · With luck

Ardea humbloti

Daily sighting probability <5% · Rare

See all 12 species Show fewer

Daily sighting probability by month

Probability-weighted average across the group's species

~40%

Jan

~40%

Feb

~30%

Mar

~30%

Apr

~30%

May

~30%

Jun

~30%

Jul

~40%

Aug

~40%

Sep

~40%

Oct

~40%

Nov

~40%

Dec

When they're spotted

When the group's species are recorded (aggregated)

Where to see Great Herons and Egrets

Worldwide records of this group (human observations from 2019 onwards, GBIF). Pins mark our parks — tap one for the chance of seeing at least one species of the group there.

Parks Ranked

Chance of seeing at least one species of the group · number of its species present

#	Park	Country	Species	Daily sighting probability
1	Keoladeo National Park	🇮🇳 India	4	>90%
	Purple Heron			~80%
	Grey Heron			~80%
	Great Egret			~70%
	Ardea modesta			Insufficient data
2	Hortobágy National Park	🇭🇺 Hungary	3	>90%
	Great Egret			~80%
	Grey Heron			~80%
	Purple Heron			~40%
3	Big Cypress National Preserve	🇺🇸 United States	2	>90%
	Great Egret			~80%
	Great Blue Heron			~70%
4	Liwonde National Park	🇲🇼 Malawi	5	~90%
	Great Egret			~70%
	Grey Heron			~60%
	Goliath Heron			~30%
	Black-headed Heron			~20%
	Purple Heron			~10%
5	Yala National Park	🇱🇰 Sri Lanka	4	~90%
	Grey Heron			~70%
	Great Egret			~60%
	Purple Heron			~50%
	Ardea modesta			Insufficient data
6	Lake Nakuru National Park	🇰🇪 Kenya	5	~90%
	Grey Heron			~70%
	Great Egret			~50%
	Black-headed Heron			~40%
	Goliath Heron			~20%
	Purple Heron			<5%
7	Amboseli National Park	🇰🇪 Kenya	5	~90%
	Grey Heron			~50%
	Great Egret			~50%
	Goliath Heron			~50%
	Black-headed Heron			~40%
	Purple Heron			~10%
8	Wilpattu National Park	🇱🇰 Sri Lanka	4	~90%
	Great Egret			~60%
	Grey Heron			~50%
	Purple Heron			~50%
	Ardea modesta			Insufficient data
9	Palo Verde National Park	🇨🇷 Costa Rica	2	~90%
	Great Egret			~80%
	Great Blue Heron			~50%
10	Kinabatangan Wildlife Sanctuary	🇲🇾 Malaysia	5	~90%
	Great Egret			~70%
	Purple Heron			~70%
	Ardea modesta			~10%
	Grey Heron			<5%
	Great-billed Heron			<5%
11	Lower Zambezi National Park	🇿🇲 Zambia	5	~90%
	Great Egret			~50%
	Goliath Heron			~50%
	Grey Heron			~40%
	Black-headed Heron			~20%
	Purple Heron			~10%
12	Gonarezhou National Park	🇿🇼 Zimbabwe	5	~90%
	Grey Heron			~60%
	Great Egret			~50%
	Goliath Heron			~50%
	Black-headed Heron			~10%
	Purple Heron			Insufficient data
13	Chobe National Park	🇧🇼 Botswana	5	~90%
	Great Egret			~60%
	Grey Heron			~50%
	Goliath Heron			~30%
	Purple Heron			~20%
	Black-headed Heron			~10%
14	Nairobi National Park	🇰🇪 Kenya	5	~90%
	Grey Heron			~70%
	Black-headed Heron			~60%
	Great Egret			~30%
	Goliath Heron			Insufficient data
	Purple Heron			Insufficient data
15	Murchison Falls National Park	🇺🇬 Uganda	5	~90%
	Goliath Heron			~50%
	Great Egret			~40%
	Grey Heron			~40%
	Black-headed Heron			~30%
	Purple Heron			~20%
16	Ría Lagartos Biosphere Reserve	🇲🇽 Mexico	2	~90%
	Great Egret			~70%
	Great Blue Heron			~60%
17	Lago de Yojoa	🇭🇳 Honduras	2	~90%
	Great Egret			~80%
	Great Blue Heron			~50%
18	South Luangwa National Park	🇿🇲 Zambia	5	~90%
	Grey Heron			~50%
	Great Egret			~50%
	Black-headed Heron			~40%
	Goliath Heron			~20%
	Purple Heron			<5%
19	Fertő-Hanság National Park	🇭🇺 Hungary	3	~90%
	Great Egret			~60%
	Grey Heron			~60%
	Purple Heron			~20%
20	Mana Pools National Park	🇿🇼 Zimbabwe	5	~90%
	Great Egret			~40%
	Grey Heron			~40%
	Goliath Heron			~40%
	Black-headed Heron			~20%
	Purple Heron			~10%
21	Kiskunság National Park	🇭🇺 Hungary	3	~90%
	Grey Heron			~60%
	Great Egret			~50%
	Purple Heron			~30%
22	Akagera National Park	🇷🇼 Rwanda	5	~80%
	Goliath Heron			~40%
	Black-headed Heron			~30%
	Great Egret			~30%
	Grey Heron			~30%
	Purple Heron			~30%
23	Parque Estadual Encontro das Águas	🇧🇷 Brazil	2	~80%
	Cocoi Heron			~70%
	Great Egret			~50%
24	Everglades National Park	🇺🇸 United States	2	~80%
	Great Egret			~70%
	Great Blue Heron			~50%
25	Caroni Swamp	🇹🇹 Trinidad and Tobago	3	~80%
	Great Egret			~80%
	Cocoi Heron			~10%
	Great Blue Heron			~10%
26	Iberá National Park	🇦🇷 Argentina	2	~80%
	Great Egret			~60%
	Cocoi Heron			~60%
27	Kaziranga National Park	🇮🇳 India	3	~80%
	Great Egret			~50%
	Grey Heron			~50%
	Purple Heron			~30%
28	iSimangaliso Wetland Park	🇿🇦 South Africa	5	~80%
	Great Egret			~40%
	Grey Heron			~40%
	Purple Heron			~30%
	Black-headed Heron			~20%
	Goliath Heron			~20%
29	Bandipur National Park	🇮🇳 India	3	~80%
	Grey Heron			~50%
	Great Egret			~40%
	Purple Heron			~20%
30	Ranthambore National Park	🇮🇳 India	4	~80%
	Great Egret			~50%
	Grey Heron			~40%
	Purple Heron			~20%
	Ardea modesta			Insufficient data
31	Moremi Game Reserve	🇧🇼 Botswana	5	~80%
	Great Egret			~50%
	Grey Heron			~40%
	Goliath Heron			~30%
	Purple Heron			~10%
	Black-headed Heron			<5%
32	Bahía de Loreto National Park	🇲🇽 Mexico	2	~80%
	Great Egret			~50%
	Great Blue Heron			~50%
33	Biebrza National Park	🇵🇱 Poland	2	~80%
	Grey Heron			~50%
	Great Egret			~50%
34	Arusha National Park	🇹🇿 Tanzania	5	~80%
	Black-headed Heron			~50%
	Great Egret			~30%
	Grey Heron			~30%
	Purple Heron			Insufficient data
	Goliath Heron			Insufficient data
35	Doñana National Park	🇪🇸 Spain	3	~80%
	Grey Heron			~60%
	Great Egret			~20%
	Purple Heron			~20%
36	Camargue	🇫🇷 France	3	~80%
	Grey Heron			~60%
	Great Egret			~40%
	Purple Heron			~10%
37	Celestún Biosphere Reserve	🇲🇽 Mexico	2	~80%
	Great Egret			~60%
	Great Blue Heron			~40%
38	El Vizcaíno Biosphere Reserve	🇲🇽 Mexico	2	~80%
	Great Egret			~50%
	Great Blue Heron			~50%
39	Kafue National Park	🇿🇲 Zambia	5	~80%
	Great Egret			~50%
	Grey Heron			~30%
	Goliath Heron			~20%
	Black-headed Heron			~10%
	Purple Heron			<5%
40	Kakadu National Park	🇦🇺 Australia	4	~70%
	Great Egret			~50%
	White-necked Heron			~30%
	Ardea modesta			~20%
	Great-billed Heron			<5%
41	Ngorongoro Conservation Area	🇹🇿 Tanzania	5	~70%
	Black-headed Heron			~50%
	Grey Heron			~40%
	Great Egret			~20%
	Purple Heron			<5%
	Goliath Heron			<5%
42	Sundarbans National Park	🇮🇳 India	3	~70%
	Great Egret			~70%
	Purple Heron			~10%
	Grey Heron			~10%
43	Queen Elizabeth National Park	🇺🇬 Uganda	5	~70%
	Black-headed Heron			~30%
	Great Egret			~30%
	Grey Heron			~20%
	Goliath Heron			~20%
	Purple Heron			~10%
44	Kruger National Park	🇿🇦 South Africa	5	~70%
	Grey Heron			~40%
	Great Egret			~20%
	Goliath Heron			~20%
	Purple Heron			~10%
	Black-headed Heron			~10%
45	Noel Kempff Mercado National Park	🇧🇴 Bolivia	2	~70%
	Cocoi Heron			~50%
	Great Egret			~40%
46	Monfragüe National Park	🇪🇸 Spain	3	~70%
	Grey Heron			~50%
	Great Egret			~20%
	Purple Heron			~20%
47	Lake Manyara National Park	🇹🇿 Tanzania	5	~70%
	Grey Heron			~40%
	Great Egret			~30%
	Black-headed Heron			~20%
	Goliath Heron			<5%
	Purple Heron			Insufficient data
48	Channel Islands National Park	🇺🇸 United States	2	~70%
	Great Blue Heron			~50%
	Great Egret			~30%
49	Jaragua National Park	🇩🇴 Dominican Republic	2	~70%
	Great Egret			~50%
	Great Blue Heron			~20%
50	Minneriya National Park	🇱🇰 Sri Lanka	3	~70%
	Grey Heron			~40%
	Great Egret			~30%
	Purple Heron			~20%
51	Tarangire National Park	🇹🇿 Tanzania	5	~60%
	Grey Heron			~40%
	Black-headed Heron			~30%
	Great Egret			~10%
	Goliath Heron			<5%
	Purple Heron			<5%
52	Ankarafantsika National Park	🇲🇬 Madagascar	4	~60%
	Purple Heron			~50%
	Great Egret			~30%
	Humblot's Heron			<5%
	Grey Heron			<5%
53	Ciénaga de Zapata	🇨🇺 Cuba	2	~60%
	Great Blue Heron			~40%
	Great Egret			~40%
54	Wadden Sea National Park	🇩🇪 Germany	3	~60%
	Grey Heron			~50%
	Great Egret			~30%
	Purple Heron			<5%
55	Point Pelee National Park	🇨🇦 Canada	2	~60%
	Great Blue Heron			~60%
	Great Egret			~20%
56	Daintree National Park	🇦🇺 Australia	4	~60%
	Great Egret			~40%
	Great-billed Heron			~30%
	Ardea modesta			~10%
	White-necked Heron			<5%
57	Pilanesberg National Park	🇿🇦 South Africa	5	~60%
	Grey Heron			~40%
	Great Egret			~20%
	Black-headed Heron			~10%
	Goliath Heron			<5%
	Purple Heron			Insufficient data
58	Serengeti National Park	🇹🇿 Tanzania	5	~60%
	Black-headed Heron			~40%
	Grey Heron			~30%
	Great Egret			<5%
	Goliath Heron			<5%
	Purple Heron			<5%
59	Masai Mara National Reserve	🇰🇪 Kenya	5	~60%
	Black-headed Heron			~40%
	Grey Heron			~30%
	Great Egret			~10%
	Goliath Heron			~10%
	Purple Heron			<5%
60	Addo Elephant National Park	🇿🇦 South Africa	5	~60%
	Black-headed Heron			~40%
	Grey Heron			~30%
	Great Egret			~10%
	Goliath Heron			<5%
	Purple Heron			Insufficient data
61	Chitwan National Park	🇳🇵 Nepal	3	~60%
	Great Egret			~40%
	Grey Heron			~30%
	Purple Heron			~10%
62	Ruaha National Park	🇹🇿 Tanzania	5	~60%
	Goliath Heron			~30%
	Grey Heron			~20%
	Great Egret			~20%
	Black-headed Heron			~10%
	Purple Heron			Insufficient data
63	Tortuguero National Park	🇨🇷 Costa Rica	2	~60%
	Great Egret			~50%
	Great Blue Heron			~20%
64	Cape Range	🇦🇺 Australia	3	~60%
	Great Egret			~50%
	Ardea modesta			Insufficient data
	White-necked Heron			Insufficient data
65	Los Haitises National Park	🇩🇴 Dominican Republic	2	~60%
	Great Egret			~50%
	Great Blue Heron			~10%
66	Cuyabeno Wildlife Reserve	🇪🇨 Ecuador	2	~60%
	Cocoi Heron			~40%
	Great Egret			~30%
67	Mikumi National Park	🇹🇿 Tanzania	5	~50%
	Black-headed Heron			~30%
	Grey Heron			~20%
	Great Egret			~10%
	Goliath Heron			Insufficient data
	Purple Heron			<5%
68	Hwange National Park	🇿🇼 Zimbabwe	5	~50%
	Grey Heron			~30%
	Black-headed Heron			~20%
	Great Egret			~20%
	Goliath Heron			~10%
	Purple Heron			Insufficient data
69	Darién National Park	🇵🇦 Panama	3	~50%
	Great Egret			~30%
	Cocoi Heron			~20%
	Great Blue Heron			~10%
70	Machalilla National Park	🇪🇨 Ecuador	3	~50%
	Great Egret			~40%
	Cocoi Heron			~20%
	Great Blue Heron			Insufficient data
71	Samburu National Reserve	🇰🇪 Kenya	5	~50%
	Black-headed Heron			~30%
	Grey Heron			~20%
	Great Egret			~10%
	Goliath Heron			~10%
	Purple Heron			<5%
72	Cerro Azul Meámbar National Park	🇭🇳 Honduras	2	~50%
	Great Egret			~40%
	Great Blue Heron			~20%
73	Bavarian Forest National Park	🇩🇪 Germany	3	~50%
	Grey Heron			~40%
	Great Egret			~20%
	Purple Heron			<5%
74	Isla del Coco National Park	🇨🇷 Costa Rica	2	~50%
	Great Egret			~30%
	Great Blue Heron			~30%
75	Gorongosa National Park	🇲🇿 Mozambique	5	~50%
	Grey Heron			~20%
	Goliath Heron			~20%
	Great Egret			~20%
	Black-headed Heron			<5%
	Purple Heron			Insufficient data
76	Ostional Wildlife Refuge	🇨🇷 Costa Rica	2	~50%
	Great Egret			~40%
	Great Blue Heron			~20%
77	Nagarhole National Park	🇮🇳 India	3	~50%
	Grey Heron			~30%
	Great Egret			~20%
	Purple Heron			~10%
78	Selous Game Reserve	🇹🇿 Tanzania	4	~50%
	Grey Heron			~30%
	Black-headed Heron			~20%
	Great Egret			~10%
	Goliath Heron			Insufficient data
79	Way Kambas National Park	🇮🇩 Indonesia	4	~50%
	Purple Heron			~30%
	Great-billed Heron			Insufficient data
	Great Egret			~10%
	Grey Heron			Insufficient data
80	Yasuní National Park	🇪🇨 Ecuador	2	~50%
	Cocoi Heron			~30%
	Great Egret			~20%
81	Amacayacu National Natural Park	🇨🇴 Colombia	2	~50%
	Great Egret			~30%
	Cocoi Heron			~20%
82	Białowieża National Park	🇵🇱 Poland	2	~50%
	Great Egret			~30%
	Grey Heron			~30%
83	Garden Route National Park	🇿🇦 South Africa	5	~50%
	Grey Heron			~30%
	Black-headed Heron			~20%
	Purple Heron			~10%
	Goliath Heron			<5%
	Great Egret			Insufficient data
84	Aberdare National Park	🇰🇪 Kenya	3	~50%
	Black-headed Heron			~30%
	Grey Heron			~20%
	Great Egret			~10%
85	Tsavo East National Park	🇰🇪 Kenya	5	~50%
	Black-headed Heron			~30%
	Grey Heron			~20%
	Great Egret			~10%
	Goliath Heron			<5%
	Purple Heron			<5%
86	El Impenetrable National Park	🇦🇷 Argentina	2	~50%
	Cocoi Heron			~30%
	Great Egret			~20%
87	Arrecifes de Cozumel National Park	🇲🇽 Mexico	2	~50%
	Great Egret			~40%
	Great Blue Heron			~20%
88	Meru National Park	🇰🇪 Kenya	5	~50%
	Black-headed Heron			~20%
	Great Egret			~20%
	Goliath Heron			~10%
	Purple Heron			~10%
	Grey Heron			Insufficient data
89	Awash National Park	🇪🇹 Ethiopia	5	~50%
	Grey Heron			~30%
	Great Egret			~20%
	Purple Heron			<5%
	Black-headed Heron			Insufficient data
	Goliath Heron			Insufficient data
90	Anavilhanas National Park	🇧🇷 Brazil	2	~50%
	Cocoi Heron			~30%
	Great Egret			~30%
91	Cañón del Sumidero National Park	🇲🇽 Mexico	2	~40%
	Great Egret			~40%
	Great Blue Heron			<5%
92	Satpura National Park	🇮🇳 India	3	~40%
	Great Egret			~30%
	Grey Heron			~20%
	Purple Heron			~10%
93	Snowdonia National Park	🇬🇧 United Kingdom	2	~40%
	Grey Heron			~40%
	Great Egret			~10%
94	Utría National Natural Park	🇨🇴 Colombia	3	~40%
	Great Egret			~30%
	Great Blue Heron			~10%
	Cocoi Heron			~10%
95	Virunga National Park	🇨🇩 Democratic Republic of the Congo	5	~40%
	Black-headed Heron			~20%
	Grey Heron			~10%
	Great Egret			~10%
	Goliath Heron			~10%
	Purple Heron			<5%
96	Paracas National Reserve	🇵🇪 Peru	2	~40%
	Great Egret			~40%
	Cocoi Heron			Insufficient data
97	Cabo Pulmo National Park	🇲🇽 Mexico	2	~40%
	Great Egret			~30%
	Great Blue Heron			~20%
98	Redwood National Park	🇺🇸 United States	2	~40%
	Great Blue Heron			~30%
	Great Egret			~20%
99	Lake Mburo National Park	🇺🇬 Uganda	5	~40%
	Black-headed Heron			~20%
	Great Egret			~10%
	Grey Heron			~10%
	Purple Heron			<5%
	Goliath Heron			<5%
100	Cordillera Azul National Park	🇵🇪 Peru	2	~40%
	Great Egret			~30%
	Cocoi Heron			~10%
101	Sierra de Guadarrama National Park	🇪🇸 Spain	3	~40%
	Grey Heron			~30%
	Great Egret			~10%
	Purple Heron			<5%
102	Niokolo-Koba National Park	🇸🇳 Senegal	4	~40%
	Grey Heron			~20%
	Black-headed Heron			~10%
	Great Egret			~10%
	Purple Heron			<5%
103	Soberanía National Park	🇵🇦 Panama	3	~40%
	Great Egret			~30%
	Great Blue Heron			~10%
	Cocoi Heron			<5%
104	Galápagos Islands	🇪🇨 Ecuador	2	~40%
	Great Blue Heron			~30%
	Great Egret			~10%
105	Coiba National Park	🇵🇦 Panama	2	~30%
	Great Egret			~30%
	Great Blue Heron			<5%
106	Tambopata National Reserve	🇵🇪 Peru	2	~30%
	Cocoi Heron			~20%
	Great Egret			~20%
107	Península Valdés	🇦🇷 Argentina	2	~30%
	Great Egret			~30%
	Cocoi Heron			<5%
108	Manu National Park	🇵🇪 Peru	2	~30%
	Great Egret			~20%
	Cocoi Heron			~20%
109	Congaree National Park	🇺🇸 United States	2	~30%
	Great Blue Heron			~20%
	Great Egret			~20%
110	Iguaçu National Park	🇧🇷 Brazil	2	~30%
	Great Egret			~30%
	Cocoi Heron			<5%
111	Piedras Blancas National Park	🇨🇷 Costa Rica	2	~30%
	Great Egret			~30%
	Great Blue Heron			<5%
112	Bali Barat National Park	🇮🇩 Indonesia	5	~30%
	Great Egret			~10%
	Purple Heron			~10%
	Ardea modesta			Insufficient data
	Great-billed Heron			~10%
	Grey Heron			<5%
113	Sian Ka'an Biosphere Reserve	🇲🇽 Mexico	2	~30%
	Great Egret			~20%
	Great Blue Heron			~20%
114	Namib-Naukluft National Park	🇳🇦 Namibia	4	~30%
	Grey Heron			~30%
	Purple Heron			Insufficient data
	Black-headed Heron			<5%
	Great Egret			<5%
115	Sierra de la Macarena National Park	🇨🇴 Colombia	3	~30%
	Great Egret			~20%
	Cocoi Heron			~20%
	Great Blue Heron			Insufficient data
116	Iguazú National Park	🇦🇷 Argentina	2	~30%
	Great Egret			~30%
	Cocoi Heron			<5%
117	Volcanoes National Park	🇷🇼 Rwanda	4	~30%
	Black-headed Heron			~20%
	Great Egret			~10%
	Grey Heron			~10%
	Purple Heron			Insufficient data
118	Komodo National Park	🇮🇩 Indonesia	4	~30%
	Great-billed Heron			~30%
	Purple Heron			Insufficient data
	Great Egret			Insufficient data
	Grey Heron			Insufficient data
119	Kerinci Seblat National Park	🇮🇩 Indonesia	3	~30%
	Purple Heron			~20%
	Great Egret			~10%
	Grey Heron			~10%
120	Cat Tien National Park	🇻🇳 Vietnam	3	~30%
	Great Egret			~20%
	Purple Heron			~10%
	Grey Heron			<5%
121	Ningaloo Marine Park	🇦🇺 Australia	3	~30%
	Great Egret			~20%
	Ardea modesta			Insufficient data
	White-necked Heron			<5%
122	Fiordland National Park	🇳🇿 New Zealand	2	~30%
	Ardea modesta			~20%
	Great Egret			~10%
123	Great Otway National Park	🇦🇺 Australia	3	~30%
	Great Egret			~20%
	White-necked Heron			~10%
	Ardea modesta			~10%
124	Cairngorms National Park	🇬🇧 United Kingdom	3	~30%
	Grey Heron			~20%
	Great Egret			Insufficient data
	Great Blue Heron			Insufficient data
125	Grand Teton National Park	🇺🇸 United States	1	~30%
	Great Blue Heron			~30%
126	San Lorenzo Protected Forest	🇵🇦 Panama	2	~30%
	Great Egret			~30%
	Great Blue Heron			Insufficient data
127	Tsavo West National Park	🇰🇪 Kenya	5	~30%
	Black-headed Heron			~10%
	Grey Heron			~10%
	Great Egret			~10%
	Purple Heron			<5%
	Goliath Heron			Insufficient data
128	Montes Azules Biosphere Reserve	🇲🇽 Mexico	2	~30%
	Great Egret			~10%
	Great Blue Heron			~10%
129	Las Baulas Marine National Park	🇨🇷 Costa Rica	2	~30%
	Great Egret			~20%
	Great Blue Heron			~10%
130	Kidepo Valley National Park	🇺🇬 Uganda	3	~20%
	Grey Heron			~10%
	Black-headed Heron			~10%
	Great Egret			~10%
131	Nikko National Park	🇯🇵 Japan	2	~20%
	Grey Heron			~20%
	Great Egret			~10%
132	Pacific Rim National Park Reserve	🇨🇦 Canada	1	~20%
	Great Blue Heron			~20%
133	Periyar National Park	🇮🇳 India	3	~20%
	Great Egret			~20%
	Grey Heron			~10%
	Purple Heron			<5%
134	Manuel Antonio National Park	🇨🇷 Costa Rica	2	~20%
	Great Egret			~20%
	Great Blue Heron			~10%
135	Saguaro National Park	🇺🇸 United States	2	~20%
	Great Egret			~10%
	Great Blue Heron			~10%
136	Marino Ballena National Park	🇨🇷 Costa Rica	2	~20%
	Great Egret			~20%
	Great Blue Heron			~10%
137	Olympic National Park	🇺🇸 United States	2	~20%
	Great Blue Heron			~20%
	Great Egret			Insufficient data
138	Plitvice Lakes National Park	🇭🇷 Croatia	2	~20%
	Grey Heron			~20%
	Great Egret			<5%
139	Kibale National Park	🇺🇬 Uganda	5	~20%
	Black-headed Heron			~20%
	Purple Heron			<5%
	Grey Heron			<5%
	Great Egret			<5%
	Goliath Heron			Insufficient data
140	Great Bear Rainforest	🇨🇦 Canada	2	~20%
	Great Blue Heron			~20%
	Great Egret			<5%
141	Etosha National Park	🇳🇦 Namibia	3	~20%
	Black-headed Heron			~20%
	Grey Heron			~10%
	Great Egret			<5%
142	Gir National Park	🇮🇳 India	3	~20%
	Grey Heron			~10%
	Great Egret			~10%
	Purple Heron			Insufficient data
143	Elk Island National Park	🇨🇦 Canada	1	~20%
	Great Blue Heron			~20%
144	Yellowstone National Park	🇺🇸 United States	2	~20%
	Great Blue Heron			~20%
	Great Egret			<5%
145	Cévennes National Park	🇫🇷 France	3	~20%
	Grey Heron			~20%
	Purple Heron			Insufficient data
	Great Egret			Insufficient data
146	Shenandoah National Park	🇺🇸 United States	2	~20%
	Great Blue Heron			~20%
	Great Egret			<5%
147	Hluhluwe-Imfolozi Park	🇿🇦 South Africa	5	~20%
	Grey Heron			~10%
	Great Egret			<5%
	Black-headed Heron			<5%
	Purple Heron			Insufficient data
	Goliath Heron			Insufficient data
148	Zion National Park	🇺🇸 United States	2	~20%
	Great Blue Heron			~20%
	Great Egret			Insufficient data
149	La Amistad International Park (Panama)	🇵🇦 Panama	2	~20%
	Great Egret			~10%
	Great Blue Heron			~10%
150	Triglav National Park	🇸🇮 Slovenia	2	~20%
	Grey Heron			~20%
	Great Egret			Insufficient data
151	Joshua Tree National Park	🇺🇸 United States	2	~20%
	Great Egret			~10%
	Great Blue Heron			~10%
152	Great Smoky Mountains National Park	🇺🇸 United States	2	~20%
	Great Blue Heron			~20%
	Great Egret			<5%
153	Grampians National Park	🇦🇺 Australia	2	~20%
	White-necked Heron			~10%
	Great Egret			~10%
154	Jim Corbett National Park	🇮🇳 India	3	~20%
	Grey Heron			~10%
	Great Egret			~10%
	Purple Heron			<5%
155	El Palmar National Park	🇦🇷 Argentina	2	~20%
	Cocoi Heron			~10%
	Great Egret			~10%
156	Gauja National Park	🇱🇻 Latvia	2	~20%
	Grey Heron			~10%
	Great Egret			~10%
157	Litchfield National Park	🇦🇺 Australia	2	~20%
	Great Egret			~10%
	White-necked Heron			~10%
158	Table Mountain National Park	🇿🇦 South Africa	4	~20%
	Grey Heron			~10%
	Black-headed Heron			~10%
	Purple Heron			<5%
	Goliath Heron			Insufficient data
159	Tijuca National Park	🇧🇷 Brazil	2	~20%
	Great Egret			~10%
	Cocoi Heron			~10%
160	Kanha National Park	🇮🇳 India	3	~20%
	Great Egret			~20%
	Grey Heron			<5%
	Purple Heron			<5%
161	Semuliki National Park	🇺🇬 Uganda	4	~20%
	Purple Heron			~10%
	Black-headed Heron			~10%
	Grey Heron			<5%
	Great Egret			<5%
162	Amboró National Park	🇧🇴 Bolivia	2	~20%
	Great Egret			~10%
	Cocoi Heron			~10%
163	Abel Tasman National Park	🇳🇿 New Zealand	2	~20%
	Ardea modesta			~10%
	Great Egret			<5%
164	Khao Yai National Park	🇹🇭 Thailand	4	~20%
	Great Egret			~10%
	Purple Heron			~10%
	Grey Heron			<5%
	Ardea modesta			Insufficient data
165	Kaeng Krachan National Park	🇹🇭 Thailand	4	~20%
	Purple Heron			~10%
	Great Egret			~10%
	Ardea modesta			Insufficient data
	Grey Heron			<5%
166	Pyrénées National Park	🇫🇷 France	3	~20%
	Grey Heron			~10%
	Great Egret			<5%
	Purple Heron			<5%
167	Nitmiluk National Park	🇦🇺 Australia	3	~20%
	Great-billed Heron			~10%
	Great Egret			~10%
	White-necked Heron			<5%
168	Santa Rosa National Park	🇨🇷 Costa Rica	2	~20%
	Great Egret			~10%
	Great Blue Heron			~10%
169	Bastimentos Island National Marine Park	🇵🇦 Panama	2	~20%
	Great Egret			~10%
	Great Blue Heron			~10%
170	Mudumalai National Park	🇮🇳 India	3	~20%
	Grey Heron			~10%
	Purple Heron			~10%
	Great Egret			<5%
171	Pico Bonito National Park	🇭🇳 Honduras	2	~20%
	Great Egret			~10%
	Great Blue Heron			<5%
172	Death Valley National Park	🇺🇸 United States	2	~20%
	Great Blue Heron			~10%
	Great Egret			~10%
173	Acadia National Park	🇺🇸 United States	2	~20%
	Great Blue Heron			~20%
	Great Egret			<5%
174	Berenty Reserve	🇲🇬 Madagascar	2	~20%
	Great Egret			~10%
	Purple Heron			Insufficient data
175	Arenal Volcano National Park	🇨🇷 Costa Rica	2	~20%
	Great Egret			~10%
	Great Blue Heron			<5%
176	Mkomazi National Park	🇹🇿 Tanzania	4	~20%
	Black-headed Heron			~10%
	Grey Heron			<5%
	Great Egret			Insufficient data
	Purple Heron			Insufficient data
177	Riding Mountain National Park	🇨🇦 Canada	2	~20%
	Great Blue Heron			~20%
	Great Egret			Insufficient data
178	Sierra Nevada National Park	🇪🇸 Spain	2	~20%
	Grey Heron			~10%
	Purple Heron			<5%
179	Tenorio Volcano National Park	🇨🇷 Costa Rica	2	~20%
	Great Egret			~20%
	Great Blue Heron			<5%
180	Sequoia and Kings Canyon National Parks	🇺🇸 United States	2	~20%
	Great Blue Heron			~10%
	Great Egret			~10%
181	Biotopo Cerro Cahuí	🇬🇹 Guatemala	2	~10%
	Great Egret			~10%
	Great Blue Heron			Insufficient data
182	Corcovado National Park	🇨🇷 Costa Rica	2	~10%
	Great Blue Heron			~10%
	Great Egret			~10%
183	Madidi National Park	🇧🇴 Bolivia	2	~10%
	Great Egret			~10%
	Cocoi Heron			~10%
184	Main Ridge Forest Reserve	🇹🇹 Trinidad and Tobago	3	~10%
	Cocoi Heron			Insufficient data
	Great Blue Heron			Insufficient data
	Great Egret			Insufficient data
185	Royal Bardia National Park	🇳🇵 Nepal	3	~10%
	Grey Heron			~10%
	Great Egret			~10%
	Purple Heron			Insufficient data
186	Carara National Park	🇨🇷 Costa Rica	2	~10%
	Great Egret			~10%
	Great Blue Heron			~10%
187	Kgalagadi Transfrontier Park	🇿🇦 South Africa	3	~10%
	Great Egret			Insufficient data
	Black-headed Heron			~10%
	Grey Heron			Insufficient data
188	Cape Breton Highlands National Park	🇨🇦 Canada	2	~10%
	Great Blue Heron			~10%
	Great Egret			Insufficient data
189	Gandoca-Manzanillo Wildlife Refuge	🇨🇷 Costa Rica	2	~10%
	Great Egret			~10%
	Great Blue Heron			<5%
190	Voyageurs National Park	🇺🇸 United States	1	~10%
	Great Blue Heron			~10%
191	Henri Pittier National Park	🇻🇪 Venezuela	2	~10%
	Great Egret			~10%
	Cocoi Heron			Insufficient data
192	Bako National Park	🇲🇾 Malaysia	1	~10%
	Great Egret			~10%
193	Braulio Carrillo National Park	🇨🇷 Costa Rica	2	~10%
	Great Egret			~10%
	Great Blue Heron			<5%
194	Golden Gate Highlands National Park	🇿🇦 South Africa	3	~10%
	Great Egret			Insufficient data
	Grey Heron			Insufficient data
	Black-headed Heron			Insufficient data
195	Tayrona National Natural Park	🇨🇴 Colombia	3	~10%
	Great Egret			~10%
	Great Blue Heron			<5%
	Cocoi Heron			<5%
196	Gunung Leuser National Park	🇮🇩 Indonesia	3	~10%
	Grey Heron			Insufficient data
	Great Egret			<5%
	Purple Heron			<5%
197	Mercantour National Park	🇫🇷 France	3	~10%
	Grey Heron			~10%
	Purple Heron			Insufficient data
	Great Egret			Insufficient data
198	Booderee National Park	🇦🇺 Australia	3	~10%
	Ardea modesta			Insufficient data
	Great Egret			~10%
	White-necked Heron			Insufficient data
199	Bandhavgarh National Park	🇮🇳 India	3	~10%
	Great Egret			~10%
	Grey Heron			<5%
	Purple Heron			Insufficient data
200	Aigüestortes National Park	🇪🇸 Spain	2	~10%
	Grey Heron			~10%
	Purple Heron			Insufficient data
201	Chagres National Park	🇵🇦 Panama	3	~10%
	Great Egret			~10%
	Great Blue Heron			<5%
	Cocoi Heron			<5%
202	Calakmul Biosphere Reserve	🇲🇽 Mexico	2	~10%
	Great Egret			~10%
	Great Blue Heron			<5%
203	Khao Luang National Park	🇹🇭 Thailand	2	~10%
	Grey Heron			Insufficient data
	Purple Heron			Insufficient data
204	Vicente Pérez Rosales National Park	🇨🇱 Chile	2	~10%
	Great Egret			~10%
	Cocoi Heron			<5%
205	Cahuita National Park	🇨🇷 Costa Rica	2	~10%
	Great Blue Heron			~10%
	Great Egret			<5%
206	Big Bend National Park	🇺🇸 United States	2	~10%
	Great Blue Heron			~10%
	Great Egret			<5%
207	Wilsons Promontory National Park	🇦🇺 Australia	2	~10%
	Great Egret			~10%
	White-necked Heron			<5%
208	Raja Ampat	🇮🇩 Indonesia	2	~10%
	Great-billed Heron			~10%
	Great Egret			<5%
209	Reserva de la Biosfera Mariposa Monarca	🇲🇽 Mexico	2	~10%
	Great Egret			~10%
	Great Blue Heron			<5%
210	Royal Manas National Park	🇧🇹 Bhutan	3	~10%
	White-bellied Heron			~10%
	Great Egret			Insufficient data
	Purple Heron			Insufficient data
211	Blue Mountains National Park	🇦🇺 Australia	3	~10%
	Ardea modesta			Insufficient data
	Great Egret			<5%
	White-necked Heron			<5%
212	Bwindi Impenetrable National Park	🇺🇬 Uganda	3	~10%
	Black-headed Heron			~10%
	Grey Heron			<5%
	Goliath Heron			Insufficient data
213	Banff National Park	🇨🇦 Canada	1	~10%
	Great Blue Heron			~10%
214	Uluru-Kata Tjuta National Park	🇦🇺 Australia	2	~10%
	White-necked Heron			~10%
	Great Egret			<5%
215	Taroko National Park	🇹🇼 Taiwan	2	~10%
	Great Egret			~10%
	Grey Heron			<5%
216	Cajas National Park	🇪🇨 Ecuador	1	~10%
	Great Egret			~10%
217	Nyungwe National Park	🇷🇼 Rwanda	5	~10%
	Black-headed Heron			<5%
	Grey Heron			<5%
	Great Egret			<5%
	Purple Heron			Insufficient data
	Goliath Heron			Insufficient data
218	Kosciuszko National Park	🇦🇺 Australia	3	~10%
	Ardea modesta			Insufficient data
	White-necked Heron			<5%
	Great Egret			Insufficient data
219	Nahuel Huapi National Park	🇦🇷 Argentina	2	~10%
	Great Egret			~10%
	Cocoi Heron			<5%
220	Royal National Park	🇦🇺 Australia	3	~10%
	Ardea modesta			Insufficient data
	Great Egret			<5%
	White-necked Heron			<5%
221	Aoraki Mount Cook National Park	🇳🇿 New Zealand	2	~10%
	Ardea modesta			Insufficient data
	Great Egret			Insufficient data
222	Rakiura National Park	🇳🇿 New Zealand	2	~10%
	Ardea modesta			Insufficient data
	Great Egret			Insufficient data
223	Manas National Park	🇮🇳 India	3	~10%
	Great Egret			<5%
	Purple Heron			<5%
	Grey Heron			<5%
224	Parque Natural Metropolitano	🇵🇦 Panama	3	~10%
	Great Blue Heron			Insufficient data
	Great Egret			<5%
	Cocoi Heron			Insufficient data
225	Picos de Europa National Park	🇪🇸 Spain	1	~10%
	Grey Heron			~10%
226	Badlands National Park	🇺🇸 United States	2	~10%
	Great Blue Heron			~10%
	Great Egret			Insufficient data
227	Ranomafana National Park	🇲🇬 Madagascar	4	~10%
	Purple Heron			<5%
	Great Egret			<5%
	Grey Heron			Insufficient data
	Humblot's Heron			Insufficient data
228	Sepilok	🇲🇾 Malaysia	2	~10%
	Great Egret			<5%
	Purple Heron			<5%
229	Namdapha National Park	🇮🇳 India	1	~10%
	White-bellied Heron			~10%
230	Serra dos Órgãos National Park	🇧🇷 Brazil	2	~10%
	Great Egret			<5%
	Cocoi Heron			<5%
231	Danum Valley Conservation Area	🇲🇾 Malaysia	3	~10%
	Great-billed Heron			<5%
	Great Egret			<5%
	Purple Heron			Insufficient data
232	Tangkoko Nature Reserve	🇮🇩 Indonesia	3	~10%
	Purple Heron			<5%
	Great-billed Heron			Insufficient data
	Great Egret			Insufficient data
233	Serra da Canastra National Park	🇧🇷 Brazil	2	~10%
	Great Egret			<5%
	Cocoi Heron			<5%
234	Arthur's Pass National Park	🇳🇿 New Zealand	1	~10%
	Ardea modesta			Insufficient data
235	Bale Mountains National Park	🇪🇹 Ethiopia	1	~10%
	Grey Heron			~10%
236	Glacier National Park	🇺🇸 United States	1	~10%
	Great Blue Heron			~10%
237	Tatra National Park	🇸🇰 Slovakia	2	~10%
	Grey Heron			<5%
	Great Egret			<5%
238	Ecrins National Park	🇫🇷 France	2	~10%
	Purple Heron			Insufficient data
	Grey Heron			Insufficient data
239	Rocky Mountain National Park	🇺🇸 United States	1	<5%
	Great Blue Heron			<5%
240	Cabo Blanco Absolute Nature Reserve	🇨🇷 Costa Rica	2	<5%
	Great Egret			<5%
	Great Blue Heron			<5%
241	Jiuzhaigou National Park	🇨🇳 China	2	<5%
	Purple Heron			<5%
	Great Egret			Insufficient data
242	Blue and John Crow Mountains National Park	🇯🇲 Jamaica	2	<5%
	Great Egret			<5%
	Great Blue Heron			Insufficient data
243	Vatnajokull National Park	🇮🇸 Iceland	1	<5%
	Grey Heron			<5%
244	Gobi Gurvansaikhan National Park	🇲🇳 Mongolia	2	<5%
	Grey Heron			<5%
	Great Egret			<5%
245	Grand Canyon National Park	🇺🇸 United States	2	<5%
	Great Blue Heron			<5%
	Great Egret			Insufficient data
246	Canaima National Park	🇻🇪 Venezuela	2	<5%
	Great Egret			<5%
	Cocoi Heron			Insufficient data
247	Cuc Phuong National Park	🇻🇳 Vietnam	3	<5%
	Great Egret			<5%
	Grey Heron			Insufficient data
	Purple Heron			Insufficient data
248	Chingaza National Natural Park	🇨🇴 Colombia	2	<5%
	Great Egret			<5%
	Cocoi Heron			<5%
249	Khao Sok National Park	🇹🇭 Thailand	3	<5%
	Great Egret			<5%
	Purple Heron			Insufficient data
	Grey Heron			Insufficient data
250	Jasper National Park	🇨🇦 Canada	1	<5%
	Great Blue Heron			<5%
251	Emas National Park	🇧🇷 Brazil	2	<5%
	Great Egret			Insufficient data
	Cocoi Heron			Insufficient data
252	Tanjung Puting National Park	🇮🇩 Indonesia	1	<5%
	Great Egret			Insufficient data
253	Yosemite National Park	🇺🇸 United States	2	<5%
	Great Blue Heron			<5%
	Great Egret			<5%
254	Cockscomb Basin Wildlife Sanctuary	🇧🇿 Belize	2	<5%
	Great Egret			<5%
	Great Blue Heron			Insufficient data
255	Springbrook National Park	🇦🇺 Australia	2	<5%
	White-necked Heron			Insufficient data
	Great Egret			Insufficient data
256	Freycinet National Park	🇦🇺 Australia	1	<5%
	Great Egret			Insufficient data
257	Chirripó National Park	🇨🇷 Costa Rica	2	<5%
	Great Egret			<5%
	Great Blue Heron			Insufficient data
258	Celaque National Park	🇭🇳 Honduras	1	<5%
	Great Blue Heron			Insufficient data
259	Vanoise National Park	🇫🇷 France	1	<5%
	Grey Heron			<5%
260	Lamington National Park	🇦🇺 Australia	2	<5%
	White-necked Heron			<5%
	Great Egret			Insufficient data
261	Puracé National Natural Park	🇨🇴 Colombia	1	<5%
	Great Egret			<5%
262	Isle Royale National Park	🇺🇸 United States	1	<5%
	Great Blue Heron			<5%
263	Doi Inthanon National Park	🇹🇭 Thailand	3	<5%
	Great Egret			<5%
	Grey Heron			<5%
	Purple Heron			Insufficient data
264	Volcán Barú National Park	🇵🇦 Panama	2	<5%
	Great Egret			<5%
	Great Blue Heron			Insufficient data
265	Flinders Chase	🇦🇺 Australia	2	<5%
	Great Egret			Insufficient data
	White-necked Heron			Insufficient data
266	Wood Buffalo National Park	🇨🇦 Canada	1	<5%
	Great Blue Heron			Insufficient data
267	Tikal National Park	🇬🇹 Guatemala	2	<5%
	Great Egret			<5%
	Great Blue Heron			<5%
268	Gros Morne National Park	🇨🇦 Canada	1	<5%
	Great Blue Heron			<5%
269	Flinders Ranges National Park	🇦🇺 Australia	2	<5%
	White-necked Heron			Insufficient data
	Great Egret			Insufficient data
270	Los Quetzales National Park	🇨🇷 Costa Rica	2	<5%
	Great Blue Heron			<5%
	Great Egret			<5%
271	Rincón de la Vieja National Park	🇨🇷 Costa Rica	1	<5%
	Great Egret			<5%
272	La Tigra National Park	🇭🇳 Honduras	1	<5%
	Great Blue Heron			Insufficient data
273	Wrangell-St. Elias National Park	🇺🇸 United States	1	<5%
	Great Blue Heron			Insufficient data
274	Waterberg Plateau Park	🇳🇦 Namibia	1	<5%
	Grey Heron			Insufficient data
275	El Triunfo	🇲🇽 Mexico	1	<5%
	Great Egret			Insufficient data
276	Chapada Diamantina National Park	🇧🇷 Brazil	2	<5%
	Great Egret			Insufficient data
	Cocoi Heron			Insufficient data
277	Podocarpus National Park	🇪🇨 Ecuador	1	<5%
	Great Egret			<5%
278	Maria Island National Park	🇦🇺 Australia	1	<5%
	Great Egret			Insufficient data
279	Sinharaja Forest Reserve	🇱🇰 Sri Lanka	3	<5%
	Great Egret			<5%
	Purple Heron			Insufficient data
	Grey Heron			Insufficient data
280	Tapantí-Macizo de la Muerte National Park	🇨🇷 Costa Rica	2	<5%
	Great Egret			<5%
	Great Blue Heron			<5%
281	Horton Plains National Park	🇱🇰 Sri Lanka	2	<5%
	Grey Heron			Insufficient data
	Purple Heron			Insufficient data
282	Masaya Volcano National Park	🇳🇮 Nicaragua	1	<5%
	Great Egret			<5%
283	Ordesa y Monte Perdido National Park	🇪🇸 Spain	1	<5%
	Grey Heron			Insufficient data
284	Itatiaia National Park	🇧🇷 Brazil	1	<5%
	Great Egret			<5%
285	Tongariro National Park	🇳🇿 New Zealand	1	<5%
	Great Egret			Insufficient data
286	Farallones de Cali National Natural Park	🇨🇴 Colombia	3	<5%
	Great Egret			<5%
	Cocoi Heron			<5%
	Great Blue Heron			Insufficient data
287	Kenai Fjords National Park	🇺🇸 United States	1	<5%
	Great Blue Heron			Insufficient data
288	Hohe Tauern National Park	🇦🇹 Austria	1	<5%
	Grey Heron			Insufficient data
289	Los Nevados National Natural Park	🇨🇴 Colombia	2	<5%
	Great Egret			<5%
	Cocoi Heron			Insufficient data
290	Taman Negara National Park	🇲🇾 Malaysia	2	<5%
	Grey Heron			Insufficient data
	Purple Heron			Insufficient data
291	Noosa National Park	🇦🇺 Australia	1	<5%
	White-necked Heron			Insufficient data
292	Monteverde Cloud Forest Reserve	🇨🇷 Costa Rica	2	<5%
	Great Blue Heron			<5%
	Great Egret			<5%
293	Kinabalu Park	🇲🇾 Malaysia	2	<5%
	Great Egret			Insufficient data
	Purple Heron			Insufficient data
294	Chapada dos Guimarães National Park	🇧🇷 Brazil	1	<5%
	Cocoi Heron			Insufficient data
295	Huascarán National Park	🇵🇪 Peru	1	<5%
	Cocoi Heron			Insufficient data
296	Guadalupe Mountains National Park	🇺🇸 United States	1	<5%
	Great Blue Heron			Insufficient data
297	Kluane National Park	🇨🇦 Canada	1	<5%
	Great Blue Heron			Insufficient data