Bullock's Oriole

Icterus bullockii

Order

PASSERIFORMES

Family

Blackbirds (Icteridae)

Code 4

BUOR

Code 6

ICTBUL

ITIS

Egg Color:

Blue or pale gray with brown, gray or black marks



Number of Eggs:

4 - 5



Incubation Days:

12 - 14



Egg Incubator:

Female



Nest Location:

6 - 15 feet above ground., Hanging from end of branch.



Nest Material:

Plant fiber, horse hair, string, and bark lined with moss, plant down or wool.



Migration:

Migratory



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General

Bullock's Oriole: Medium-sized oriole, mostly bright orange with black crown, eye-line, throat stripe, back, and central tail. Wings are black with large white patches. Female and juvenile have yellow head and throat, gray-brown upperparts, and buff underparts.

Range and Habitat

Bullock's Oriole: Breeds from southern British Columbia and Alberta south to southern California and northern Mexico, and east to the Dakotas and Texas. Spends winters in the tropics, from central Mexico south. Preferred habitats include deciduous woodlands, shade trees, riparian woodlands, parks, and towns.

Breeding and Nesting

Bullock's Oriole: Four to five pale blue or gray eggs, spotted and scrawled with dark brown and black, are laid in a well-woven pendant bag of plant fibers, bark, and string, suspended from the tip of a branch. Incubation ranges from 12 to 14 days and is carried out by the female.

Foraging and Feeding

Bullock's Oriole: Diet consists of insects, seeds, fruits, and berries; forages in trees and bushes.

Readily Eats

Suet, Jelly, Orange Halves, Raisins

Vocalization

Bullock's Oriole: Song is clear and flute-like, whistled single or double note in short, distinct phrases with much individual variation.

Similar Species

Bullock's Oriole: Baltimore Oriole has black hood and less white on wings.

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UnderpartsX

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

UpperpartsX
Back, rump, hindneck, wings, and crown.
CrownX
The crown is the top part of the birds head.
RiparianX
Relating to or living or located on the bank of a natural watercourse (as a river) or sometimes of a lake or a tidewater. 
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X