Do Animals Understand Kisses. In the spirit of valentine’s day — and our own desire to settle the question — we’ve compiled a list of anecdotal and scientific evidence to prove once and for all that cats do feel love. Instead, both male and female birds have.

He notes that their capacity to understand the gestures and expressions of other species, particularly humans, has for more than 12,000 years secured dogs a place in civilization. Instead, both male and female birds have. This human factor fundamentally altered their.