Quote from : Rise of the Planet of the Apes Movie

Party Boy: [at Caesar's cage] Hey, check out this guy.
Dodge Landon: Hey that one's a pain in the ass, man! He thinks he's special or something.
Party Boy: Freaky. Come here. Come on. It's like he's thinking or something.
Caesar: [grabs the man's throat and staresand growls]
Party Girl #2: Oh, my God! He has his throat!
Party Girl #1: Let him go!
Dodge Landon: [Dodge runs towards Caesar] Let go!
Caesar: [grunts and releases the and leans towards Rocket's cage]
Rocket: [he jumps up, he growls and jumps down]
Dodge Landon: I told you not to get too close man.