Gull-billed Tern

Closest Relatives at Sierra de Guadarrama National Park

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Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

#	Park	Country	Probability
1	Lake Nakuru National Park	🇰🇪 Kenya	40–50%
2	Ngorongoro Conservation Area	🇹🇿 Tanzania	20–30%
3	Ría Lagartos Biosphere Reserve	🇲🇽 Mexico	20–30%
4	Yala National Park	🇱🇰 Sri Lanka	20–30%
5	Lake Manyara National Park	🇹🇿 Tanzania	10–20%
6	Wilpattu National Park	🇱🇰 Sri Lanka	10–20%
7	Queen Elizabeth National Park	🇺🇬 Uganda	10–20%
8	Tsavo East National Park	🇰🇪 Kenya	10–20%
9	Doñana National Park	🇪🇸 Spain	10–20%
10	Ciénaga de Zapata	🇨🇺 Cuba	10–20%
11	Amboseli National Park	🇰🇪 Kenya	10–20%
12	Monfragüe National Park	🇪🇸 Spain	0–10%
13	Murchison Falls National Park	🇺🇬 Uganda	0–10%
14	Serengeti National Park	🇹🇿 Tanzania	0–10%
15	Celestún Biosphere Reserve	🇲🇽 Mexico	<5%
16	Jaragua National Park	🇩🇴 Dominican Republic	<5%
17	Paracas National Reserve	🇵🇪 Peru	<5%
18	Minneriya National Park	🇱🇰 Sri Lanka	<5%
19	El Vizcaíno Biosphere Reserve	🇲🇽 Mexico	<5%
20	Tarangire National Park	🇹🇿 Tanzania	<5%
21	Fertő-Hanság National Park	🇭🇺 Hungary	<5%
22	Machalilla National Park	🇪🇨 Ecuador	<5%
23	Arrecifes de Cozumel National Park	🇲🇽 Mexico	<5%
24	Cabo Blanco Absolute Nature Reserve	🇨🇷 Costa Rica	<5%
25	Las Baulas Marine National Park	🇨🇷 Costa Rica	<5%
26	Tayrona National Natural Park	🇨🇴 Colombia	<5%
27	Nairobi National Park	🇰🇪 Kenya	<5%
28	Wadden Sea National Park	🇩🇪 Germany	<5%
29	Everglades National Park	🇺🇸 United States	<5%
30	Keoladeo National Park	🇮🇳 India	<5%
31	La Amistad International Park (Panama)	🇵🇦 Panama	<5%
32	Sierra de Guadarrama National Park	🇪🇸 Spain	<5%
33	Bastimentos Island National Marine Park	🇵🇦 Panama	<5%
34	Soberanía National Park	🇵🇦 Panama	<5%
35	iSimangaliso Wetland Park	🇿🇦 South Africa	Insufficient data
36	Masai Mara National Reserve	🇰🇪 Kenya	Insufficient data
37	Pyrénées National Park	🇫🇷 France	Insufficient data
38	Kidepo Valley National Park	🇺🇬 Uganda	Insufficient data
39	Caroni Swamp	🇹🇹 Trinidad and Tobago	Insufficient data
40	Marino Ballena National Park	🇨🇷 Costa Rica	Insufficient data
41	Taroko National Park	🇹🇼 Taiwan	Insufficient data
42	Akagera National Park	🇷🇼 Rwanda	Insufficient data
43	Gandoca-Manzanillo Wildlife Refuge	🇨🇷 Costa Rica	Insufficient data
44	Santa Rosa National Park	🇨🇷 Costa Rica	Insufficient data
45	Kiskunság National Park	🇭🇺 Hungary	Insufficient data
46	Ranthambore National Park	🇮🇳 India	Insufficient data
47	Cévennes National Park	🇫🇷 France	Insufficient data
48	Sian Ka'an Biosphere Reserve	🇲🇽 Mexico	Insufficient data
49	Nagarhole National Park	🇮🇳 India	Insufficient data
50	Bali Barat National Park	🇮🇩 Indonesia	Insufficient data
51	Iberá National Park	🇦🇷 Argentina	Insufficient data
52	Tortuguero National Park	🇨🇷 Costa Rica	Insufficient data
53	Parque Natural Metropolitano	🇵🇦 Panama	Insufficient data
54	Gobi Gurvansaikhan National Park	🇲🇳 Mongolia	Insufficient data
55	Piedras Blancas National Park	🇨🇷 Costa Rica	Insufficient data
56	Kinabatangan Wildlife Sanctuary	🇲🇾 Malaysia	Insufficient data
57	Kibale National Park	🇺🇬 Uganda	Insufficient data
58	Darién National Park	🇵🇦 Panama	Insufficient data
59	Carara National Park	🇨🇷 Costa Rica	Insufficient data

Quick answers

What are the chances of seeing a Gull-billed Tern in Sierra de Guadarrama National Park?

About 0% of visitor-days record a Gull-billed Tern sighting in Sierra de Guadarrama National Park, based on 12 observer-days of citizen-science data from GBIF.

When is the best time to see Gull-billed Tern in Sierra de Guadarrama National Park?

June has the highest sighting rate for Gull-billed Tern in Sierra de Guadarrama National Park in our monthly data.