If you’ve ever been called bird brained, maybe it wasn’t quite as insulting as you thought. True, birds do think differently from mammals, but their actual brains can be surprisingly large compared to their overall size. In fact, birds’ brains are similar in proportions to primates, including apes, monkeys, and – yes – humans. Not only do their brains look capable of intelligence, but their behavior suggests it too. Just look at one of the most common and most scorned birds of all, the pigeon.
