On: How to tell a raven from a crow (2012)

[rags2riches]

That's a sure sign you are watching ravens, not crows. Ravens can play together in the air in ways crows never do.

[Animats → rags2riches]

Ravens are apparently one of the smartest animals.[1]

[1] https://news.nationalgeographic.com/2017/07/ravens-problem-s...

[acqq → Animats]

Also crows:

https://www.youtube.com/watch?v=cbSu2PXOTOc

[crehn → acqq]

Seems like the crow is "just" solving the problems independently (with which it has previous experience), rather than thinking multiple steps ahead.

[masonic → Animats]

Corvids in general.

The New Caledonia Crow is getting a lot of study for its puzzle-solving abilities.