Cassin's Sparrow

Peucaea cassinii

Order

PASSERIFORMES

Family

New World Sparrows and Towhees (Passerellida)

Code 4

CASP

Code 6

PEUCAS

ITIS

Egg Color:

White



Number of Eggs:

3 - 5



Incubation Days:

12 - 14



Egg Incubator:

Female



Nest Location:

On grassy tussock sheltered by bush., Up to 1 foot above ground.



Nest Material:

Forbs, grass, flowers, with lining of soft grass, rootlets, and hair.



Migration:

Migratory



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General

Cassin's Sparrow: Medium-sized, skulking grassland sparrow with fine brown streaks on gray-brown head and back, and buff underparts. Tail is long, rounded, and white-tipped. Sexes are similar. Juvenile has streaked underparts.

Range and Habitat

Cassin's Sparrow: Breeds from southern Arizona and southeastern Wyoming, extending to southern New Mexico, through western and central Texas, and south into Mexico. Spends winters in southern part of its breeding range. Preferred habitats include semi-desert or arid uplands supporting yuccas and tall grass.

Breeding and Nesting

Cassin's Sparrow: Three to five white eggs are laid in a deep, almost tunnel-like cup built on the ground or at the base of a bush or cactus. Incubation ranges from 12 to 14 days and is carried out by both parents.

Foraging and Feeding

Cassin's Sparrow: Diet consists of beetles, grasshoppers, crickets, and seeds; forages on the ground.

Vocalization

Cassin's Sparrow: Four loud, melodious, clear whistles are uttered from tops of tall grass stalks and in flight; second note is prolonged and quivering while third note is lowest.

Similar Species

Cassin's Sparrow: Botteri's Sparrow has a different song, a somewhat larger bill, and a flatter head. Bachman's Sparrow has a different range and song.

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UnderpartsX

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

Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X