DETAILED NOTES ON COMMON KESTREL MIGRATION

Biles place the GPS tags on ten birds in the Wintertime of 2019–2020. When 8 returned the next yr, she was elated. Then dismayed. Although seven from the Teflon backpacks experienced withstood the kestrels’ razor-sharp beaks, Biles speedily recognized she couldn’t get them off—simply because she couldn’t recapture the birds.No one appreci