I have known for a long time that crows were a very smart species of birds, but not until recently, while having a conversation with a co-worker, did my respect for their intelligence grow. My co-worker mentioned about a murder of crows that would use cars to crack open nuts and shells. Surfing YouTube, I stumbled upon another stunning video of crow intelligence, probably smarter than a lot of my friends, that's for sure.
The video below is an excerpt from a BBC documentary.
And this video shows the first non-human test subject to use a sequence of tools!
Humans often underestimate the intelligence of animals, but these two videos alone prove that human kind must respect nature. Recent studies suggest that crows have the same cognitive abilities as many primate species and are not "birdbrained."
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