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Videos

Veronika the Cow Demonstrates Tool Use
Austrian cow Veronika proved in 2026 that cows, like crows and chimps, have the ability...
Video: Antonio J. Osuna-Mascaró and Alice M.I. Auersperg. Flexible use of a multi-purpose tool by a cow. Current Biology, 2025.

Images

Carrion crow (Corvus corone)
This crow species, which inhabits Eurasia and the Nile River valley in Africa, is...
Eric Hosking
American crow
American crow (Corvus brachyrhynchos).
Encyclopædia Britannica, Inc.
Hooded crow (Corvus corone cornix).
Hooded crow (Corvus corone cornix).
© Florian Andronache/Shutterstock.com
American crow (Corvus brachyrhynchos).
American crow (Corvus brachyrhynchos).
© Michael Woodruff/Shutterstock.com
bird evolution
Four stages in the evolution of modern birds.
Encyclopædia Britannica, Inc.
animal tracks
Tracks of selected animals.
Encyclopædia Britannica, Inc.