Andean Slaty Thrush
Turdus nigriceps
The Andean slaty thrush is 18 to 23.5 cm (7.1 to 9.3 in) long and weighs 50 to 67.5 g (1.8 to 2.4 oz). The species is sexually dimorphic. Adult males have a mostly slate-gray head with a pale eye-ring and a dark-streaked white throat. Their upperparts, wings, and tail are slate-gray. Their underparts are a slightly paler slate-gray; birds in the north of their range have darker underparts than those in the south. Adult females have a greenish brown head and upperparts and somewhat paler greenish brown underparts. Both sexes have a dark iris, a yellow bill, and yellow legs and feet. Voice: The Andean slaty thrush sings only in the austral summer breeding season. Its song is usually given from a hidden perch and is a ventriloquial "series of rather high, jumbled phrases, some notes high-pitched, rapid, shrill and burry but followed by long pause, tji tjihe tjie tjihe or swidrielipik tillie.
ID text from Wikipedia, CC BY-SA 4.0
Blacksmith Thrush
Turdus subalaris
The blacksmith thrush is 20 to 22.5 cm (7.9 to 8.9 in) long and weighs 46 to 55 g (1.6 to 1.9 oz). The species is sexually dimorphic. Adult males have a mostly gray head with an orange-yellow to brown eye-ring and a black-streaked white throat. Their upperparts, wings, and tail are gray. Their breast is a lighter gray and their belly and vent white. They have a dark brown iris. Their bill is orange-yellow to brown with orange-yellow patches and their legs and feet yellowish brown to brownish gray. Voice: The blacksmith thrush's song is a "short series of 2-6 descending, weak, squeaky notes, give at 5- to 6-second intervals, like twee sri-sri-sri or tur-rit-twee-twee-twee". Its call is a "high, slightly upslurred tweet".
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Andean Slaty Thrush and Blacksmith Thrush.