Most likely your budgie is molting and trying to remove the pinfeathers on his head. It could also just be a part of the normal preening process. There is of course the possibility of other issues, such as mites, so if it seems excessive or feathers are missing see an avian vet.
Parrots use their feet to scratch themselves
well something might of scared him or something
Birds of prey when they are left outside by theirselves.
pookie
yes
It depends on the animal but the common ways of protection are making loud noises, causing pain to the attacker by scratching or biting, creating detirring smells, soiling themselves, and running away.
"Theirselves" is not considered a standard word in English and is typically considered nonstandard or incorrect. The correct term is "themselves," which is the reflexive form of "they."
No. They are not real.
Kitty has claws.
They explain theirselves.
Peacocks have similar 'claws' to roosters. They have small talons, used for scratching at the ground.
They have claws, used for scratching dirt in the search for food, not gripping prey. Guinea fowl are not raptors or birds of prey.
claws, teeth
Theirselves is not a valid English word. The expression is used in some dialects, usually in the American south, to take the place of the more "proper" or correct pronoun, which is themselves.