UN­DER­WING COLOURS

Bird Watching (UK) - - April Id Challenge -

Un­der­wing colour (and par­tic­u­larly the colour of the un­der­wing coverts) is a very use­ful guide to quick iden­ti­fi­ca­tion of fly-through thrushes. Field­fares and Mis­tle Thrushes have clean white un­der­wing coverts. Song Thrushes have yel­low ochre un­der­wing coverts, and Red­wings have red ochre un­der­wing coverts. Some of the rarest thrushes, in­clud­ing the tiny Catharus thrushes from North Amer­ica and the Asi­atic Zoothera thrushes, have banded black and white un­der­wings.

Song Thrushes uniquely smash snails on stones Red­wing: red/ or­ange un­der­wing Black­birds eat pro­por­tion­ately more fruit than Song Thrushes Field­fare: white un­der­wing Song Thrush: yel­low ochre un­der­wing

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