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Birders

In reply to the discussion: HOW DO BIRDS KNOW WHEN TO MIGRATE? [View all]

dweller

(28,159 posts)
1. I always thought it was determined
Tue Oct 19, 2021, 09:22 PM
Oct 2021

by the amount of sunlight they receive, similar to plants


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I always thought it was determined dweller Oct 2021 #1
This Ferrets are Cool Oct 2021 #2
Me too. FoxNewsSucks Oct 2021 #3
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Text messages on their tiny phones? LastDemocratInSC Oct 2021 #5
The robins seemed to leave very early this year. femmocrat Oct 2021 #6
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