Eyebrowed Thrush

Turdus obscurus

Order

PASSERIFORMES

Family

Thrushes (Turdidae)

Code 4

EYTH

Code 6

TUROBC

ITIS

Egg Color:

Gray to blue green with red brown markings



Number of Eggs:

5 - 6



Incubation Days:

13 - 15



Egg Incubator:

Female



Nest Location:

3 -15 feet above ground., In fork of tree.



Nest Material:

Rootlets, grass, sticks, bark., Lined with soil and grasses.



Migration:

Migratory



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General

Eyebrowed Thrush: Medium-sized, robin-like thrush with a gray back and head, orange-brown breast and flanks, and white belly. Black eye line with white borders above and below is conspicuous. Female is duller and has more white on underparts, including throat. Juvenile has browner back.

Range and Habitat

Eyebrowed Thrush: This species breeds in dense coniferous forests and taiga which extend eastward from Siberia; it winters from south to Southeast Asia and Indonesia. It occurs as a rare vagrant to Western Europe, and is rare to casual in North America, but it is a regular visitor each spring in the western Aleutian archipelago.

Breeding and Nesting

Eyebrowed Thrush: Five to six gray to blue green eggs with red brown markings are laid in a nest made of rootlets, grass, sticks, and bark, lined with soil and grass, and built in a tree fork from 3 to 15 feet above the ground. Incubation ranges from 13 to 15 days and is carried out by the female.

Foraging and Feeding

Eyebrowed Thrush: Eats insects, earthworms, berries, and fruits. Forages on the ground beneath tall trees, hopping and stopping to jab vigorously at the ground or to pick up food; also gleans food from branches and foliage.

Vocalization

Eyebrowed Thrush: Calls are thin "zip-zip" or longer "ziiii" calls. Also emits chuckling and rattling calls. Song is comprised of shorter phrases of harsh notes, such as “teveteu… trrryutetyuté… trrryutetyutyu…”, ending in a short, high trill.

Similar Species

Eyebrowed Thrush: American Robin is larger, has broken white eye-ring, black streaked white throat, dark gray-brown upperparts, and brown-black tail with white tipped corners.

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UnderpartsX

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

BellyX
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.
BreastX
The upper front part of a bird.
Eye lineX
The line of feathers just in front of and behind the eyes. It extends back from the posterior angle of the eye. This can be a useful trait used in identification in the field since it is very noticeable.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X