Cassin's Vireo

Closest Relatives at Grand Canyon 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	Yosemite National Park	🇺🇸 United States	20–30%
2	Glacier National Park	🇺🇸 United States	10–20%
3	Jasper National Park	🇨🇦 Canada	0–10%
4	Sequoia and Kings Canyon National Parks	🇺🇸 United States	0–10%
5	Banff National Park	🇨🇦 Canada	0–10%
6	Death Valley National Park	🇺🇸 United States	<5%
7	Zion National Park	🇺🇸 United States	<5%
8	Big Bend National Park	🇺🇸 United States	<5%
9	Great Bear Rainforest	🇨🇦 Canada	<5%
10	Cumbres de Monterrey National Park	🇲🇽 Mexico	<5%
11	Guadalupe Mountains National Park	🇺🇸 United States	<5%
12	Redwood National Park	🇺🇸 United States	<5%
13	Grand Canyon National Park	🇺🇸 United States	<5%
14	Olympic National Park	🇺🇸 United States	<5%
15	Joshua Tree National Park	🇺🇸 United States	<5%
16	Grand Teton National Park	🇺🇸 United States	<5%
17	Rocky Mountain National Park	🇺🇸 United States	<5%
18	Channel Islands National Park	🇺🇸 United States	<5%
19	Reserva de la Biosfera Mariposa Monarca	🇲🇽 Mexico	Insufficient data
20	Yellowstone National Park	🇺🇸 United States	Insufficient data

Quick answers

What are the chances of seeing a Cassin's Vireo in Grand Canyon National Park?

About 1% of visitor-days record a Cassin's Vireo sighting in Grand Canyon National Park, based on 29 observer-days of citizen-science data from GBIF.

When is the best time to see Cassin's Vireo in Grand Canyon National Park?

May has the highest sighting rate for Cassin's Vireo in Grand Canyon National Park in our monthly data.