Not if you try to understand how they communicate! Scientists agree: cats communicate with purring, meowing, and body language. Yours truly briefly quoted within, along with some of my cat-scientist heroes, John Bradshaw and Sharon Crowell-Davis.
Rats exploring a new environment do better with a buddy. Scientists measured rats second exploration of a novel space either alone or with another rat. Rats who had a buddy on that second trial were more exploratory, and the effect lasted through a third solo trial. Read more!
For some strange reason, we are really good at matching photos of strangers and their dogs. This finding has been demonstrated in a few studies, and a new study delved deeper - and it turns out that if you can't see the eyes of either the dog or the owner, it is ever so much harder to match the two...so whatever it is that makes people and their dogs seem like they belong together - it's in the eyes!