This time, the water has not changed color, and no birds are known to have died.

The bird is known to eat in groups, especially during the winter.

There are over 150 species of birds known to nest in the area.

Captive birds are known to have lived up to 30 years.

That is what birds known as disease carriers can end up doing to a stock.

Only around eight birds including three females were known to exist at that time.

These birds are best known for their interaction with humans.

The single ringed bird is known to have lived for at least 6 years.

These birds have been known to attack people up to half a mile from the nest.

It is the largest flying bird known to have existed.