Polioptila caerulea
Silhouette: Sheatherius · PhyloPic
In 3 days ~80% in a week >90%
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 →
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Orlando | 🇺🇸 United States | |
| 2 | Monterrey | 🇲🇽 México | |
| 3 | Miami | 🇺🇸 United States | |
| 4 | León | 🇲🇽 México | |
| 5 | Mexico City | 🇲🇽 México | |
| 6 | Guadalajara | 🇲🇽 México | |
| 7 | Puebla | 🇲🇽 México | |
| 8 | Houston | 🇺🇸 United States | |
| 9 | Toluca | 🇲🇽 México | |
| 10 | Havana | 🇨🇺 Cuba |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Ralph Perkins II Wildlife Center and Woods Garden | 🇺🇸 United States |
Likely
About 40% of wildlife watchers report a Blue-gray Gnatcatcher sighting in Guadalajara on a given day, based on 483 verified sightings from GBIF citizen-science data. It is the 18th most-seen of the 184 birds we can rate there. Over three days the chance rises to about 80%, and over a week to over 90%, if each day is a fresh chance.
October and December
In those months about 70% of wildlife watchers report a Blue-gray Gnatcatcher in Guadalajara on a given day, against under 5% in May and July, the lowest months. Those are among Guadalajara's driest months, with about 30 mm of rain a month against 210 mm in July.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Blue-gray Gnatcatcher sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
6th of 36
Of the 36 cities where we can rate Blue-gray Gnatcatcher sightings, Guadalajara ranks 6th at about 40%. The best odds are in Orlando (United States, about 60%), Monterrey (México, about 50%) and Miami (United States, about 40%).
Same order: Passeriformes
The closest relatives of the Blue-gray Gnatcatcher that you can see in Guadalajara (order Passeriformes, Perching Birds) are Great-tailed Grackle (about 80%), House Finch (about 70%) and Vermilion Flycatcher (about 70%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Blue-gray Gnatcatcher is recorded against all the birds logged in Guadalajara (483 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
