By Press Trust of India | London
UPDATED ON AUG 29, 2019 11:52 AM IST
Trained carrion crows (Corvus corone) have goal directed control over their calls.
By Trisha Sengupta
UPDATED ON JUN 25, 2019 06:20 PM IST
The video shows the bird perched on its wings and it looks like an ape standing on its forearm. It also makes the bird look legless.
PUBLISHED ON OCT 29, 2018 02:04 PM IST
“This is like that duck/rabbit optical illusion,” says a Twitter user.
By Agence France-Presse | Agence France-Presse, Paris
UPDATED ON AUG 11, 2018 11:46 AM IST
The six crows have been specially trained to pick up cigarette ends and rubbish