Tyrannus crassirostris
Silhouette: Andy Wilson · PhyloPic
In 3 days ~50% in a week ~80%
The thick-billed kingbird (Tyrannus crassirostris) is a large member of the family Tyrannidae, the tyrant flycatchers. It is found in the southwestern United States, Mexico, and Guatemala. The differences between them are slight and some authors suggest that the two should be merged.
The thick-billed kingbird is about 25 cm (9.8 in) long and weighs about 52 to 59 g (1.8 to 2.1 oz). Females are slightly smaller than males and the sexes have essentially the same plumage. Adults of the nominate subspecies have a dark grayish brown forehead, crown, lores, and ear coverts; their cheeks are white. The crown feathers form a slight crest. Both sexes have a partially hidden lemon or canary yellow patch in the center of the crown though females' are narrower. Both sexes have a grayish brown nape that is paler than the rest of the head. Their upperparts are mostly grayish olive with grayish brown uppertail coverts. Their wings are mostly deep grayish brown with pale grayish olive lesser coverts. Their remiges... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cabo Pulmo National Park | 🇲🇽 Mexico |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Guadalajara | 🇲🇽 México | |
| 2 | San Francisco | 🇺🇸 United States | |
| 3 | Los Angeles | 🇺🇸 United States | |
| 4 | San Diego | 🇺🇸 United States |
Possible
About 20% of wildlife watchers report a Thick-billed Kingbird sighting in Guadalajara on a given day, based on 240 verified sightings from GBIF citizen-science data. It is the 35th most-seen of the 184 birds we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
December and January
In those months about 30% of wildlife watchers report a Thick-billed Kingbird in Guadalajara on a given day, against about 10% in March and September, the lowest months. Those are among Guadalajara's driest months, with about 10 mm of rain a month against 210 mm in July.
Between 7 and 10 am
Across all the parks we cover, that three-hour window holds the most Thick-billed Kingbird sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 4 cities where we can rate Thick-billed Kingbird sightings, Guadalajara has the highest daily chance: about 20%. Next come San Francisco (United States, under 5%) and Los Angeles (United States, under 5%).
Same genus: Tyrannus
The closest relatives of the Thick-billed Kingbird that you can see in Guadalajara (genus Tyrannus, Kingbirds) are Tropical Kingbird (about 50%) and Cassin's Kingbird (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Thick-billed Kingbird is recorded against all the birds logged in Guadalajara (240 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.
