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Dusky Thrush

Turdus naumanniOrder: PASSERIFORMES Family: Thrushes (Turdidae)
Codes: Common Name: DUTH Scientific Name: TURNAU ITIS Taxonomic No.: 179756
Least Concern
 
Dusky Thrush Breeding Male
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Overview

Dusky Thrush: Large thrush, brown back and rufous wings. Underparts are white with black scaling. Head is dark, eyebrow is thick and white. Bill is black with yellow base on lower mandible. Throat is white with black streaks and partial collar is white. Legs and feet are pink-brown.

Range and Habitat

Dusky Thrush: Common in Siberia, casual in Alaska during spring migration; rare to accidental in coastal Alaska and British Columbia in winter. Preferred habitats include lawns and ornamental fruit-bearing shrubs and trees.

Topo Map: Perching-like Body


Voice Text

"shack-shack-shack", "shreee"

Interesting Facts

 The scientific name of the Dusky Thrush commemorates the German naturalist Johann Andreas Naumann.

 It has two distinctive subspecies, T. n. naumanni, and the more northerly breeding T. n. eunomus. These are sometimes given specific status as Naumann's Thrush and Dusky Thrush respectively.

 A group of thrushes are collectively known as a "hermitage" and a "mutation" of thrushes.


Bird Term Glossary



Author

Gary Owen Dick

Artist

Samira Belous

Splitbar
Range Map for Dusky Thrush

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Family Thrush (Turdidae)_blue
Species Turdus naumanni
Length9 - 10 Inches
Wingspan15.6 Inches

Dusky Thrush

Dusky Thrush: Large thrush, brown back and rufous wings. Underparts are white with black scaling. Head is dark, eyebrow is thick and white. Bill is black with yellow base on lower mandible. Throat is white with black streaks and partial collar is white. Legs and feet are pink-brown.

● Song: "shack-shack-shack", "shreee"

● Foraging & Feeding: Dusky Thrush: Eats insects, earthworms, berries, and fruits; forages while hopping on the ground, pausing frequently to scan for food.

● Breeding & nesting: Dusky Thrush: Four to six light blue green eggs with brown blotches are laid in a nest made of grass, rootlets, and twigs, lined with clay, and built on a tree branch, stump, ground, or cliff ledge. Incubation ranges from 13 to 15 days and is carried out by the female.

● Similar species: Dusky Thrush: Eyebrowed Thrush has brown upperwings, rufous wash on belly, gray upper breast, white spot from eye to chin, and lacks black scaling on underparts.

Flight Pattern

Rather swift direct flight with rapid wing beats. Short flights alternate wing beats with wings pulled briefly to sides.
Dusky Thrush Breeding Male Body Illustration
● Range & Habitat: Dusky Thrush: Common in Siberia, casual in Alaska during spring migration; rare to accidental in coastal Alaska and British Columbia in winter. Preferred habitats include lawns and ornamental fruit-bearing shrubs and trees.
BreedingMonogamous, Solitary nester
PopulationCasual in AK in spring, Rare to accidental
MigrationMigratory
Weight2.5 Ounces
Perching-like BodyX
UnderpartsX
Belly, undertail coverts, chest, flanks, and foreneck.
CollarX
Similar to the upper part of the human neck, located at the back of the crown.
EyebrowX
Also called the supercilicum or superciliary it is the arch of feathers over each eye.
Lower mandibleX
The lower part of the bill.
4 and 6 letter alpha codesX

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.

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ITIS CodesX

The Integrated Taxonomic Information System (ITIS) was established in the mid-1990�s as a cooperative project among several federal agencies to improve and expand upon taxonomic data (known as the NODC Taxonomic Code) maintained by the National Oceanographic Data Center (NODC), National Oceanic and Atmospheric Administration (NOAA).

To find the ITIS page for a bird species go to the ITIS web site advanced search and report page at http://www.itis.gov/advanced_search.html. You can enter the TSN or the common name of the bird. It will return the ITIS page for that bird. Another way to obtain the ITIS page is to use the Google search engine. Enter the string ITIS followed by the taxonomic ID, for example "ITIS 178041" will return the page for the Allen's Hummingbird.

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Parts of a Standing birdX
Head Feathers and MarkingsX
Parts of a Flying birdX