a (male) cat
tu as un chat means 'you have a cat' in English.
'un chat' is a cat in French.
Un oiseau is a bird in English.
A domestic animal.
It means "this is a black animal"
... has two dogs and a cat
Oui, j'ai un(e) ... Non, je n'en ai pas. (Non, je n'ai pas d'animal.)
"Un chat" is masculine in French.
It's an animal which has a very long neck.
A dog, a masculine noun.
"My favorite animal is a wolf" in English is Mon animal préféré est un loup in French.
un chat/une chatte