The post Corvids Trade Grooming for Favors and Remember Who Owes Them appeared first on A-Z Animals. Corvids are one of the smartest birds in the world, and their grooming habits reflect that. Studies ...

What we were told a week ago was a slow-moving trade market suddenly flung wide open on Saturday, as the Knicks and Raptors got trade season underway with a fairly major five-player deal with six ...

Rats play tit-for-tat with one another across different services Different forms of cooperation are common among many nonhuman animals (animals; scholarly essays can be seen here). Observations of ...

Corvids are one of the smartest birds in the world, and their grooming habits reflect that. Studies show that their intelligence is on par with that of a 5- to 7-year-old human. And their cognitive ...