Only female ducks quack; the males coo,hoot,honk, and grunt, but not quack.
The turkey vulture’s primary method of defense is to vomit on its assailant.
Some crows have the intelligence to fashion tools, a human like behavior not seen in many primates.
A man trained crows to find coins and exchange them for food.
Chickens are naturally cannibalistic.
Pigeons never forget a face. If you chase one away, it will remember you and avoid you in later encounters.
Australian magpies swoop down and attack cyclists in the head and neck, sometimes detaching retinas. And they are protected so it is illegal to kill or hurt them.
Penguins sometimes get deranged and just march off solo away from their group into the wild unknown to die.
The African Owl is actually a pigeon.
A pelican can hold about 25 pounds of fish in its pouch.