Thick-billed Kingbird

Tyrannus crassirostris




Tyrant Flycatchers (Tyrannidae)

Code 4


Code 6



Egg Color:

White with brown blotches

Number of Eggs:

3 - 4

Incubation Days:

18 - 20

Egg Incubator:


Nest Location:

50 - 60 feet above ground., On horizontal tree branch.

Nest Material:

Twigs, grass, plant down,





Thick-billed Kingbird: Large flycatcher with gray-brown upperparts, darker head, and seldom seen yellow crown patch. Throat and breast are gray-washed white, and belly and undertail coverts are pale yellow. Bill is large and black. Tail is gray-brown and slightly forked, edged with cinnamon-brown. Sexes are similar. Juvenile has browner upperparts and brighter yellow underparts.

Range and Habitat

Thick-billed Kingbird: Native of Mexico; resident along the Pacific Coast of Mexico and the southern tip of the Baja Peninsula. Occurs in a few locations in Arizona and southern California. Breeds along permanent streams in lowlands and canyons, especially where large sycamores and cottonwoods grow.

Breeding and Nesting

Thick-billed Kingbird: Three to four white eggs with brown blotches are laid in a large, loose cup of twigs, grass, and plant down built on a horizontal tree branch 50 to 60 feet above the ground; nest has a ragged look, with eggs sometimes visible from below. Incubation ranges from 18 to 20 days and is carried out by the female.

Foraging and Feeding

Thick-billed Kingbird: Feeds on relatively large insects, including beetles, cicadas, and grasshoppers. Spots prey from perch and then hawks it in mid-air; often calls upon returning to a perch after successful foray.

Readily Eats

Meal Worms


Thick-billed Kingbird: Call is high, loud, whistled "puareet."

Similar Species

Thick-billed Kingbird: Tropical and other kingbirds have paler heads and smaller bills.


Belly, undertail coverts, chest, flanks, and foreneck.

Undertail covertsX
Small feathers that cover the areas where the retrices (tail feathers) attach to the rump.
Back, rump, hindneck, wings, and crown.
The ventral part of the bird, or the area between the flanks on each side and the crissum and breast. Flight muscles are located between the belly and the breast.
The upper front part of a bird.
The crown is the top part of the birds head.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X