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.
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.
No, "theirselves" is not a correct English word. The correct form is "themselves" when referring to a group of people.
The difference is that theirselves is not a word. It is used very casually, but in formal settings or when with people who are well read, the word theirselves sounds very unrefined.
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