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”.
Flickr/Krissy Venosdale, CC BY-ND
A paper published this week in the journal...