Wren
wren
A Wren
Wren
the bird that has a tail like a fan is called a 'Peacock'
They do not always "crash" in this manner. although when they do, it is mainly due the instabilization of the tail prop. ============================================================ if the tail prop is not spining the rotation of the main rotor will force the helicopter to spin in the opposite direction, by air drag, the tail counterbalances this force.
Bird
a bird is a bird
no
The pileated has a heavy bill, second only to the rare ivorybill. It can rip large chunks of bark off trees in its hunt for wood destroying insects and their larvae. They have a stiff tail that acts as a prop while they forage on the side of trees.
its used for balance and as a prop to help them sit
Down
i think that the trachodon defended itself by its stiff tail
Peacock