Forster's Tern

Closest Relatives at El Vizcaíno Biosphere Reserve

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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	El Vizcaíno Biosphere Reserve	🇲🇽 Mexico	20–30%
2	Ría Lagartos Biosphere Reserve	🇲🇽 Mexico	20–30%
3	Channel Islands National Park	🇺🇸 United States	10–20%
4	Elk Island National Park	🇨🇦 Canada	10–20%
5	Riding Mountain National Park	🇨🇦 Canada	10–20%
6	Celestún Biosphere Reserve	🇲🇽 Mexico	0–10%
7	Ciénaga de Zapata	🇨🇺 Cuba	0–10%
8	Point Pelee National Park	🇨🇦 Canada	0–10%
9	Everglades National Park	🇺🇸 United States	<5%
10	Bahía de Loreto National Park	🇲🇽 Mexico	<5%
11	Sequoia and Kings Canyon National Parks	🇺🇸 United States	<5%
12	Grand Teton National Park	🇺🇸 United States	<5%
13	Yellowstone National Park	🇺🇸 United States	<5%
14	La Amistad International Park (Panama)	🇵🇦 Panama	<5%
15	Joshua Tree National Park	🇺🇸 United States	<5%
16	Arrecifes de Cozumel National Park	🇲🇽 Mexico	Insufficient data
17	Coiba National Park	🇵🇦 Panama	Insufficient data
18	Voyageurs National Park	🇺🇸 United States	Insufficient data
19	Redwood National Park	🇺🇸 United States	Insufficient data
20	Death Valley National Park	🇺🇸 United States	Insufficient data
21	Glacier National Park	🇺🇸 United States	Insufficient data
22	Rocky Mountain National Park	🇺🇸 United States	Insufficient data
23	Shenandoah National Park	🇺🇸 United States	Insufficient data

Quick answers

What are the chances of seeing a Forster's Tern in El Vizcaíno Biosphere Reserve?

About 24% of visitor-days record a Forster's Tern sighting in El Vizcaíno Biosphere Reserve, based on 202 observer-days of citizen-science data from GBIF.

When is the best time to see Forster's Tern in El Vizcaíno Biosphere Reserve?

November has the highest sighting rate for Forster's Tern in El Vizcaíno Biosphere Reserve in our monthly data.