How Cute is this Floppy Eared Donkey

Why do so many domesticated mammals have floppy ears?

Take a look at several domesticated mammal species and you might spot a number of similarities between them, including those cute floppy ears.

floppy ears

The famous naturalist and evolutionary theorist Charles Darwin even observed in the first chapter of his On the Origin of Species that:

Not a single domestic animal can be named which has not in some country drooping ears […]

And it’s not just the ears. Domesticated animals share a fairly consistent set of differences from their wild ancestors such as smaller brains, smaller teeth, shorter curly tails and lighter and blotchy coats: a phenomenon called the “domestication syndrome”.