Great Blue Heron

Great Blue Heron

Ardea herodias

Silhouette: Andy Wilson · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Olympic National Park
8,851 Verified sightings at Olympic National Park From 2019 to 2026
51,449 Verified sightings across all 77 parks From 2019 to 2026
October Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Great Blue Heron

The great blue heron (Ardea herodias) is a large wading bird in the heron family (Ardeidae), common near shores of open water and wetlands over most of North and Central America, as well as Northwestern South America, the Caribbean, and the Galápagos Islands. It is occasionally found in the Azores and is a rare vagrant to Europe. An all-white population found in South Florida, the Florida Keys, and the Caribbean islands, is known as the great white heron. Debate exists about whether these white birds are a color morph of the great blue heron, a subspecies of it, or an entirely separate species.

The great blue heron was one of many species originally described by Carl Linnaeus in his 18th-century work, Systema Naturae. The scientific name comes from Latin ardea, and Ancient Greek ἐρῳδιός (erōdios), both meaning "heron".

The great blue heron's niche in the Old World is filled by the congeneric grey heron (Ardea cinerea), which is somewhat smaller at 90–98 cm (35–39 in) and sports a pale gray neck and legs, lacking the brown hues of the great blue heron. The great blue heron forms a superspecies with the grey heron, which also includes the Cocoi heron of South America, which... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Big Cypress National Preserve 🇺🇸 United States
~70%
2 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
~60%
3 Point Pelee National Park 🇨🇦 Canada
~50%
4 Bahía de Loreto National Park 🇲🇽 Mexico
~50%
5 Everglades National Park 🇺🇸 United States
~50%
6 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
~50%
7 Lago de Yojoa 🇭🇳 Honduras
~50%
8 Palo Verde National Park 🇨🇷 Costa Rica
~50%
9 Celestún Biosphere Reserve 🇲🇽 Mexico
~40%
10 Ciénaga de Zapata 🇨🇺 Cuba
~40%
11 Galápagos Islands 🇪🇨 Ecuador
~30%
12 Isla del Coco National Park 🇨🇷 Costa Rica
~30%
13 Jaragua National Park 🇩🇴 Dominican Republic
~20%
14 Cerro Azul Meámbar National Park 🇭🇳 Honduras
~20%
15 Ostional Wildlife Refuge 🇨🇷 Costa Rica
~20%
16 Shenandoah National Park 🇺🇸 United States
~20%
17 Congaree National Park 🇺🇸 United States
~20%
18 Tortuguero National Park 🇨🇷 Costa Rica
~20%
19 Cabo Pulmo National Park 🇲🇽 Mexico
~20%
20 Arrecifes de Cozumel National Park 🇲🇽 Mexico
~20%
21 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
~20%
22 Acadia National Park 🇺🇸 United States
~10%
23 Montes Azules Biosphere Reserve 🇲🇽 Mexico
~10%
24 Utría National Natural Park 🇨🇴 Colombia
~10%
25 Saguaro National Park 🇺🇸 United States
~10%
26 Soberanía National Park 🇵🇦 Panama
~10%
27 Caroni Swamp 🇹🇹 Trinidad and Tobago
~10%
28 Darién National Park 🇵🇦 Panama
~10%
29 Corcovado National Park 🇨🇷 Costa Rica
~10%
30 Cape Breton Highlands National Park 🇨🇦 Canada
~10%
31 Joshua Tree National Park 🇺🇸 United States
~10%
32 La Amistad International Park (Panama) 🇵🇦 Panama
~10%
33 Manuel Antonio National Park 🇨🇷 Costa Rica
~10%
34 Las Baulas Marine National Park 🇨🇷 Costa Rica
~10%
35 Los Haitises National Park 🇩🇴 Dominican Republic
~10%
36 Cahuita National Park 🇨🇷 Costa Rica
~10%
37 Bastimentos Island National Marine Park 🇵🇦 Panama
~10%
38 Santa Rosa National Park 🇨🇷 Costa Rica
~10%
39 Carara National Park 🇨🇷 Costa Rica
~10%
40 Marino Ballena National Park 🇨🇷 Costa Rica
~10%
41 Gandoca-Manzanillo Wildlife Refuge 🇨🇷 Costa Rica
<5%
42 Cañón del Sumidero National Park 🇲🇽 Mexico
<5%
43 Piedras Blancas National Park 🇨🇷 Costa Rica
<5%
44 Coiba National Park 🇵🇦 Panama
<5%
45 Braulio Carrillo National Park 🇨🇷 Costa Rica
<5%
46 Reserva de la Biosfera Mariposa Monarca 🇲🇽 Mexico
<5%
47 Calakmul Biosphere Reserve 🇲🇽 Mexico
<5%
48 Yosemite National Park 🇺🇸 United States
<5%
49 Pico Bonito National Park 🇭🇳 Honduras
<5%
50 Arenal Volcano National Park 🇨🇷 Costa Rica
<5%
51 Chagres National Park 🇵🇦 Panama
<5%
52 Tayrona National Natural Park 🇨🇴 Colombia
<5%
53 Isle Royale National Park 🇺🇸 United States
<5%
54 Gros Morne National Park 🇨🇦 Canada
<5%
55 Cabo Blanco Absolute Nature Reserve 🇨🇷 Costa Rica
<5%
56 Los Quetzales National Park 🇨🇷 Costa Rica
<5%
57 Tikal National Park 🇬🇹 Guatemala
<5%
58 Tapantí-Macizo de la Muerte National Park 🇨🇷 Costa Rica
<5%
59 Monteverde Cloud Forest Reserve 🇨🇷 Costa Rica
<5%
60 Tenorio Volcano National Park 🇨🇷 Costa Rica
<5%
61 Parque Natural Metropolitano 🇵🇦 Panama
Insufficient data
62 Biotopo Cerro Cahuí 🇬🇹 Guatemala
Insufficient data
63 Celaque National Park 🇭🇳 Honduras
Insufficient data
64 Wood Buffalo National Park 🇨🇦 Canada
Insufficient data
65 La Tigra National Park 🇭🇳 Honduras
Insufficient data
66 Wrangell-St. Elias National Park 🇺🇸 United States
Insufficient data
67 Main Ridge Forest Reserve 🇹🇹 Trinidad and Tobago
Insufficient data
68 San Lorenzo Protected Forest 🇵🇦 Panama
Insufficient data
69 Blue and John Crow Mountains National Park 🇯🇲 Jamaica
Insufficient data
70 Kenai Fjords National Park 🇺🇸 United States
Insufficient data
71 Volcán Barú National Park 🇵🇦 Panama
Insufficient data
72 Sierra de la Macarena National Park 🇨🇴 Colombia
Insufficient data
73 Machalilla National Park 🇪🇨 Ecuador
Insufficient data
74 Cockscomb Basin Wildlife Sanctuary 🇧🇿 Belize
Insufficient data
75 Chirripó National Park 🇨🇷 Costa Rica
Insufficient data
76 Cairngorms National Park 🇬🇧 United Kingdom
Insufficient data
77 Farallones de Cali National Natural Park 🇨🇴 Colombia
Insufficient data

Quick answers

What are the chances of seeing a Great Blue Heron in Olympic National Park?

About 20% of wildlife watchers report a Great Blue Heron sighting in Olympic National Park, based on 8,851 verified sightings from GBIF citizen-science data.

When is the best time to see Great Blue Heron in Olympic National Park?

October has the highest sighting rate for Great Blue Heron in Olympic National Park in our monthly data.

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