iflscience - Why Do These Birds Have Targets Shaped Like Faces In Their Mouths
Chez le Coua huppé (Coua cristata), les oisillons ont des "yeux" dans le gosier, histoire que leurs parents ne nourrissent pas d'autres oisillons =)
Why Do These Birds Have Targets Shaped Like Faces In Their Mouths? It’s An Effective Way Of Weeding Out Imposters
Source: iflscience.com
La vidéo: