Michael Durham / Brown Rat (Rattus norvegicus) raiding urban garbage, common pest species native to Europe, introduced worldwide

Michael Durham / Brown Rat (Rattus norvegicus) trio emerging from hole in suburban yard at night, Portland, Oregon

Martin Willis / Long-haired Rat (Rattus villosissimus) pair feeding at night, Diamantina National Park, Queensland, Australia

Martin Willis / Long-haired Rat (Rattus villosissimus) drinking, Diamantina National Park, Queensland, Australia

Martin Willis / Long-haired Rat (Rattus villosissimus) feeding on vegetation at night, Diamantina National Park, Queensland, Australia

Martin Willis / Feral Cat (Felis catus) stalking Long-haired Rat (Rattus villosissimus) at night, Diamantina National Park, Queensland, Australia

Ingo Arndt / Brown Rat (Rattus norvegicus) coming out of old pipe to feed on bait at whaling station for South Georgia Heritage Trust Rat Eradication Project, Grytviken, South Georgia Island

Ingo Arndt / Brown Rat (Rattus norvegicus) carcasses with Ruth Fraser doing DNA tests in lab lab for South Georgia Heritage Trust Rat Eradication Project, King Edward Point, South Georgia Island

Konrad Wothe / Black Rat (Rattus rattus) pair, Germany

Ingo Arndt / Brown Rat (Rattus norvegicus) trio found dead after baiting, South Georgia Heritage Trust Rat Eradication Project, Grytviken, South Georgia Island

Ingo Arndt / Brown Rat (Rattus norvegicus) trapped by Ruth Fraser at whaling station for South Georgia Heritage Trust Rat Eradication Project, Grytviken, South Georgia Island

Pete Oxford / Rat (Rattus sp) in trap for luring Galapagos Hawk (Buteo galapagoensis) for capture and study, Galapagos Islands, Ecuador