Τρίτη 7 Φεβρουαρίου 2017

Bird lookouts make alarm calls to save themselves, not the group

gettyimages-507841125.jpg

Arabian babbler birds that go it alone continue to sound alarm calls when they see threats, showing there must be selfish motives behind sentinel behaviour

from #AlexandrosSfakianakis via Alexandros G.Sfakianakis on Inoreader http://ift.tt/2kpcbYB
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