Redwing
Turdus iliacus
The thrush is 20–24 cm long with a wingspan of 33–34.5 cm and a weight of 50–75 g. The sexes are similar, with plain brown backs and with dark brown spots on the white underparts. The most striking identification features are the red flanks and underwing, and the creamy white stripe above the eye. Adults moult between June and September, which means that some start to replace their flight feathers while still feeding young. Voice: The male has a varied short song, and a whistling flight call. Redwings show a distinct dialectic variation in song, having a considerable similarity in song patterns among birds within a local population. The Redwing song consists of a number of introductory elements of descending or ascending frequency.
ID text from Wikipedia, CC BY-SA 4.0
Song Thrush
Turdus philomelos
The song thrush (as represented by the nominate subspecies T. p. philomelos) is 20 to 23.5 centimetres (7+3⁄4 to 9+1⁄4 inches) in length and weighs 50 to 107 grams (1+3⁄4 to 3+3⁄4 ounces). The sexes are similar, with plain brown backs and neatly black-spotted cream or yellow-buff underparts, becoming paler on the belly. The underwing is warm yellow, the bill is yellowish and the legs and feet are pink. The upperparts of this species become colder in tone from west to east across the breeding range from Sweden to Siberia.
ID text from Wikipedia, CC BY-SA 4.0
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