Common redpoll
Chapter 7: When to Sing, and How
Subchapter: Songs and calls in flight
From page 133 in the book.
Photo by Laure Wilson Neish
♫545. As with other members of the Carduelinae subfamily (goldfinches, etc.), male redpolls sing in display flight. This one perches for 20 seconds near me, then flies off into the distance before I lose him. June 14, 2017. Denali Highway, Alaska. (0:54)