Bird name:

White-throated Robin

Turdus assimilis

Order

PASSERIFORMES

Family

Thrushes (Turdidae)

Code 4

WTRO

Code 6

TURASS

ITIS

563566

Breeding Location:

Forests

Breeding Type:

Monogamous, Solitary nester

Breeding Population:

Common to fairly common

Egg Color:

Light blue or white with gray and red brown flecks

Number of Eggs:

2 - 4

Incubation Days:

12 - 14

Egg Incubator:

Female

Nest Material:

Rootlets, grass, moss, and mud.

Migration:

Nonmigratory

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General

White-throated Robin: Large thrush with brown upperparts, gray underparts, and white undertail coverts. Darker head has thin, yellow eye-ring. Brown-streaked white throat is bordered below with thick white crescent. Sexes are similar.

Range and Habitat

White-throated Robin: Native of Mexico; has been spotted twice in the lower Rio Grande Valley in southernmost Texas in winter. Prefers riparian forests.

Breeding and Nesting

White-throated Robin: Two to four gray and red brown flecked, light blue or white eggs are laid in a cup nest made of rootlets, grass, moss, and mud, with a lining of finer materials. Incubation ranges from 12 to 14 days and is carried out by the female.

Foraging and Feeding

White-throated Robin: Feeds on insects, berries, and some fruits; forages in all parts of trees, spending most of its time in mid to upper levels.

Readily Eats

Raisins, Currants, Nut Meal

Vocalization

White-throated Robin: Song is a pleasant warbling with thrasher-like phrases, repeated 2 to 3 times. Call is a throaty "kyow" or "reeuh, reeuh."

Similar Species

White-throated Robin: Clay-colored Robin has pale brown, paler bill, white throat with olive-brown streaking, and lacks white collar.

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden.

Underparts

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

Undertail coverts

Small feathers that cover the areas where the retrices (tail feathers) attach to the rump.

Upperparts

Back, rump, hindneck, wings, and crown.

Riparian

Relating to or living or located on the bank of a natural watercourse (as a river) or sometimes of a lake or a tidewater.

4 and 6 letter alpha codes

The four letter common name alpha code is is derived from the first two letters of the common first name and the first two letters of common last name. The six letter species name alpha code is derived from the first three letters of the scientific name (genus) and the first three letters of the scientific name (species). See (1) below for the rules used to create the codes..

Four-letter (for English common names) and six-letter (for scientific names) species alpha codes were developed by Pyle and DeSante (2003, North American Bird-Bander 28:64-79) to reflect A.O.U. taxonomy and nomenclature (A.O.U. 1998) as modified by Supplements 42 (Auk 117:847-858, 2000) and 43 (Auk 119:897-906, 2002). The list has been updated by Pyle and DeSante to reflect changes reported by the A.O.U from 2003 through 2006.

Field Guide to Birds of North America