Τρίτη 7 Φεβρουαρίου 2017

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

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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