Blue-gray Gnatcatcher

Blue-gray Gnatcatcher

Polioptila caerulea

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
Daily sighting probability ~50% · Likely
at Cabo Pulmo National Park
58 Verified sightings at Cabo Pulmo National Park From 2019 to 2026
42,835 Verified sightings across all 41 parks From 2019 to 2026
October Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Blue-gray Gnatcatcher

The blue-gray gnatcatcher (Polioptila caerulea) is a very small gnatcatcher native to North America. It is 10–13 cm (3.9–5.1 in) in length, 6.3 in (16 cm) in wingspan, and weighing only 5–7 g (0.18–0.25 oz). Adult males are blue-gray on the upperparts with white underparts, slender dark bill, and a long black tail edged in white. Females are less blue, while juveniles are greenish-gray. Both sexes have a white eye ring.

The blue-gray gnatcatcher's breeding habitat includes open deciduous woods and shrublands in southern Ontario, the eastern and southwestern United States, and Mexico. Though gnatcatcher species are common and increasing in number while expanding to the northeast, it is the only one to breed in Eastern North America. They migrate to the southern United States, Mexico, northern Central America (Belize, Guatemala, and Honduras), Cuba, the Bahamas, the Turks and Caicos Islands, and the Cayman Islands.

Blue-gray gnatcatchers prefer humid areas with large leaves, woodlands, and more open sandy areas with sparse trees where they mainly eat insects, insect eggs, and spiders. The males often work to build... Wikipedia →

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 Daily sighting probability
1 Arrecifes de Cozumel National Park 🇲🇽 Mexico
~70%
2 Big Cypress National Preserve 🇺🇸 United States
~60%
3 Point Pelee National Park 🇨🇦 Canada
~60%
4 Congaree National Park 🇺🇸 United States
~50%
5 Everglades National Park 🇺🇸 United States
~50%
6 Cabo Pulmo National Park 🇲🇽 Mexico
~50%
7 Cañón del Sumidero National Park 🇲🇽 Mexico
~40%
8 Bahía de Loreto National Park 🇲🇽 Mexico
~40%
9 Big Bend National Park 🇺🇸 United States
~40%
10 Zion National Park 🇺🇸 United States
~40%
11 Guadalupe Mountains National Park 🇺🇸 United States
~30%
12 Ciénaga de Zapata 🇨🇺 Cuba
~30%
13 Ría Lagartos Biosphere Reserve 🇲🇽 Mexico
~30%
14 Biotopo Cerro Cahuí 🇬🇹 Guatemala
~20%
15 Grand Canyon National Park 🇺🇸 United States
~20%
16 El Vizcaíno Biosphere Reserve 🇲🇽 Mexico
~20%
17 Channel Islands National Park 🇺🇸 United States
~20%
18 Shenandoah National Park 🇺🇸 United States
~20%
19 Great Smoky Mountains National Park 🇺🇸 United States
~20%
20 Tikal National Park 🇬🇹 Guatemala
~20%
21 Badlands National Park 🇺🇸 United States
~10%
22 Calakmul Biosphere Reserve 🇲🇽 Mexico
~10%
23 El Triunfo 🇲🇽 Mexico
~10%
24 Death Valley National Park 🇺🇸 United States
~10%
25 Joshua Tree National Park 🇺🇸 United States
~10%
26 Montes Azules Biosphere Reserve 🇲🇽 Mexico
~10%
27 Celestún Biosphere Reserve 🇲🇽 Mexico
~10%
28 Sequoia and Kings Canyon National Parks 🇺🇸 United States
~10%
29 Saguaro National Park 🇺🇸 United States
<5%
30 Yosemite National Park 🇺🇸 United States
<5%
31 Reserva de la Biosfera Mariposa Monarca 🇲🇽 Mexico
<5%
32 Pico Bonito National Park 🇭🇳 Honduras
<5%
33 Sian Ka'an Biosphere Reserve 🇲🇽 Mexico
<5%
34 Cockscomb Basin Wildlife Sanctuary 🇧🇿 Belize
<5%
35 Olympic National Park 🇺🇸 United States
<5%
36 Rocky Mountain National Park 🇺🇸 United States
<5%
37 Redwood National Park 🇺🇸 United States
<5%
38 Acadia National Park 🇺🇸 United States
<5%
39 Lago de Yojoa 🇭🇳 Honduras
Insufficient data
40 Cerro Azul Meámbar National Park 🇭🇳 Honduras
Insufficient data
41 Yellowstone National Park 🇺🇸 United States
Insufficient data

Quick answers

What are the chances of seeing a Blue-gray Gnatcatcher in Cabo Pulmo National Park?

About 50% of wildlife watchers report a Blue-gray Gnatcatcher sighting in Cabo Pulmo National Park, based on 58 verified sightings from GBIF citizen-science data.

When is the best time to see Blue-gray Gnatcatcher in Cabo Pulmo National Park?

October has the highest sighting rate for Blue-gray Gnatcatcher in Cabo Pulmo National Park in our monthly data.

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