they coat their feathers wit the oil from a glad. it is near the tail to increase impermeability.
Under its tail, near its excretory organs!
A preen gland is an organ in a bird near the tail, producing oil to help waterproof the bird's feathers. It is also called the Uropygial gland.
Tail
The Uropygial gland is found near the base of the tail of birds.
Most penguins no , some species of penguins certainly.
The tail balances them while they are sliding on ice.
arrowhead shaped
Obviously not, but they did in the movie "surfs up"
It looks like a stubby triangle.
Yes, penguins are good swimmers. Their wings were made to paddle themselves through the water, and their tail acts as a rudder.
Duck feather are insulators and they are also water proof so that they shed water. Ducks have a special gland near their tails, called the preen gland. This gland produces an oil, which ducks rub over their feathers with their beaks to maintain their waterproof effect. The larger feathers in the tail are called quill feathers and were used at one time for writing.
Duck feather are insulators and they are also water proof so that they shed water. Ducks have a special gland near their tails, called the preen gland. This gland produces an oil, which ducks rub over their feathers with their beaks to maintain their waterproof effect. The larger feathers in the tail are called quill feathers and were used at one time for writing.