The brown rat (Rattus norvegicus) close up. AnimalKind(00)

The brown rat (Rattus norvegicus) close up. AnimalKind(00)

Image gallery: Rats Having Sex

The brown rat (Rattus norvegicus) close up. AnimalKind 8 Interesting Facts About Rats Britannica Rats as Pets - FOUR PAWS in Australia - Animal Welfare Charity