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Gartengrasmücke Foto © Biillyboy Flickr  1

Sleeping unsafely tucked in to conserve energy in nocturnal migratory songbirds  1

Sleeping with the head tucked in the back feathers is a common behavior exhibited by most species of birds. In a recent study, scientist from the...

(Web-Redaktion on 08/19/2019)

Read more about: Sleeping unsafely tucked in to conserve energy in nocturnal migratory songbirds  1