I’ve no idea personally, but i do remember in that Morgan freeman doco about the penguins, they know each others call (and mate exclusively), so when there’s the huge mess of penguins everywhere they really can distinguish ‘which one is their partner’.
And to us they all just look (and sound!) the same
Doesntpostmuch@possumpat.io 4 days ago
They are pretty cute…when they aren’t actively slapping or biting you.
Much of their communication is vocal forms of communication with visual displays and violence mixed in. They will great their mates and chicks with vocalizing. For some species, they will display with their eyes and posture. If they need more communication with will bite and slap.