Bird name:

Aztec Thrush

Ridgwayia pinicola

Order

PASSERIFORMES

Family

Thrushes (Turdidae)

Code 4

AZTH

Code 6

RIDPIN

ITIS

179836

Breeding Location:

Forests

Breeding Type:

Monogamous, Solitary nester

Breeding Population:

Rare, Irregular vagrant

Egg Color:

Light blue

Number of Eggs:

2 - 3

Incubation Days:

12 - 14

Egg Incubator:

Female

Nest Material:

Lined with finer materials., Twigs, moss, grasses, mud.

Migration:

Nonmigratory

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General

Aztec Thrush: Large thrush with dark-streaked, brown-black upperparts, head, and upper breast. Underparts are white with dark brown mottled flanks. Wings are dark with white shoulders and tips. Tail is dark with broad white tip. Female is paler brown overall with more streaks on breast and throat. Juvenile has white-streaked upperparts and scaled brown underparts.

Range and Habitat

Aztec Thrush: Native of Mexico that makes rare visits to Arizona and Texas.

Breeding and Nesting

Aztec Thrush: Two to three light blue eggs are laid in a nest made of twigs, moss, grass, and mud, lined with finer materials, and built on a branch or fork in a tree. Incubation ranges from 12 to 14 days and is carried out by the female.

Foraging and Feeding

Aztec Thrush: Eats insects, fruits, and berries; forages in trees and shrubs, and occasionally on the ground.

Readily Eats

Raisins, Currants, Nut Meal

Vocalization

Aztec Thrush: Song is a tremulous, slightly burry "wheeerr" or "dweeeeir" repeated steadily by the male. Calls include a quavering "wheeeeer," a slightly metallic "wheer" and a nasal to clear "sweee-uh."

Similar Species

Aztec Thrush: Varied Thrush has rust-brown breast and wing-bars and lacks orange on crown.

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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.

Upperparts

Back, rump, hindneck, wings, and crown.

Breast

The upper front part of a bird.

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