You see that kind of thing in pigeons?
"Where's the thrill in shooting pigeons out of a tree?"
They have no concept of money, and are paid in pigeons.
His crumbs had brought in pigeons from miles around.
The typical laboratory environment to study labor supply in pigeons is set up as follows.
The effect of directional training on initial orientation in pigeons.
Reports in humans and pigeons are far less advanced.
Visual dominance effects over audition have been reported in cows, rats, and pigeons.
He has no use for money and instead receives his salary in pigeons, which he eats.
Olfactory navigation has been suggested as a possible mechanism in pigeons.