RT @Vogelwarte_scie: Novel geolocators reveal: Alpine swifts increase flight activity - also horizontal flight - during the twilight period…
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RT @Vogelwarte_scie: Novel geolocators reveal: Alpine swifts increase flight activity - also horizontal flight - during the twilight period…
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RT @Vogelwarte_scie: Novel geolocators reveal: Alpine swifts increase flight activity - also horizontal flight - during the twilight period…
5,323 followers
RT @Vogelwarte_scie: Novel geolocators reveal: Alpine swifts increase flight activity - also horizontal flight - during the twilight period…