Why do crow researchers wear masks?
Because crows can recognize faces and associate them positively or negatively. And they also spread the information to other crows.
Why did crows evolve to be so smart?
One theory suggests that it has to do with the way they are raised; they spend more time with their parents than other species.
Complete: crows are one of the__________ species of bird.
Smartest
Why do crows gather around their dead relatives?
To gather information and learn about their deaths.
How can crows retrieve objects from a tube?
They understand how water works and retrieve the objects by adding things to the water and making the level go up.
Crows are found in all continents except…
Antarctica and South America