Artwork

Migration Routes Evolve

BirdNote

20 subscribers

published

iconShare
 
Manage episode 512952084 series 2625155
Content provided by BirdNote. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by BirdNote or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://staging.podcastplayer.com/legal.
Why do birds consistently follow certain routes in their migrations? Pathways of migration evolved, shaped by the wind. During the height of the last ice age, ice-free breeding habitat for songbirds remained in what is now Alaska and parts of Western Canada. Studies of fossil pollen show that
  continue reading

266 episodes