The Canadian Peregrine
Foundation
Peregrine Age Guide - Day 21
(Photo courtesy of the Kodak Birdcam, Rochester NY)
Around the three week point, the first
juvenile feathers begin to poke through the down on the breast. The
chicks continue to rest on their tarsi much of the time, rather than standing on
their feet, but this balance shifts quickly in the days to follow.
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Canadian Peregrine Foundation