Видео ютуба по тегу Can Crows Perform Watchdog Functions

The Surprising Behavior Of Crows | TACOMA SCIENCE CAFE
The Surprising Behavior Of Crows | TACOMA SCIENCE CAFE
Crows: Smarter Than You Think with UW Professor John Marzluff
Crows: Smarter Than You Think with UW Professor John Marzluff
How Smart Are Crows? | ScienceTake | The New York Times
How Smart Are Crows? | ScienceTake | The New York Times