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Dusky Thrush

Turdus naumanniOrder: PASSERIFORMESFamily: Thrushes (Turdidae)

Dusky Thrush Breeding Male Portrait
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General

Dusky Thrush: Large thrush with brown back and rufous wings. Underparts are white with black scaling. Head is dark, eyebrow is white, and bill is black with yellow base on lower mandible. Throat is white with black streaks and partial collar is white. Female and juvenile are duller. Rare visitor to Alaska.

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.

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.


Author

Gary Owen Dick

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Range Map for Dusky Thrush
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Family
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