Karine Aigner / Graduate student from University of Florida baiting an Argentine black and white tegu (Salvator merianae) trap with an egg, and a potato. The egg is the bait, and the potato is put in so that in the e...

David Fleetham / Fijian dive guide feeding Grey reef shark (Carcharhinus amblyrhynchos) off Mana Island, Fiji.

David Fleetham / Chum barrel used as bait on Great White Shark expedition on "Solmar V", off Guadalupe Island, Mexico.

David Fleetham / Great white shark (Carcharodon carcharias) snatching surface bait behind "Solmar V", anchored off Guadalupe Island, Mexico.

David Fleetham / Group of grey reef sharks (Carcharhinus amblyrhynchos) feeding on bait off Yap, Micronesia.

Ingo Arndt / Dead rats found after baiting , South Georgia Heritage Trust Rat Eradication Project, Old Whaling Station Grytviken, South Georgia, March 2011

Cheryl-Samantha Owen / Crew of the James Archer (Oceana fisheries) fishing for West coast rock lobster (Jasus lalandii) and baiting traps, in Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Cheryl-Samantha Owen / Crew aboard the West coast rock lobster (Jasus lalandii) fishing vessel James Archer (Oceana fisheries) baiting traps, in Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Cheryl-Samantha Owen / Fishing for West coast rock lobster (Jasus lalandii) aboard the 'James Archer'. Crew baiting lobster traps, with seagulls flying nearby in Saldanha Bay and St. Helena Bay, Western Cape, South Africa.

Juergen Freund / Sharks, mainly grey reef sharks (Carcharinus amblyrhynchos) feed at bait, North Horn, Osprey Reef, Coral Sea, January

Bryan and Cherry Alexander / Kosta, a Selkup hunter, baiting a trap with fish to catch sable in the forest in winter. Krasnoselkup, Yamal, Western Siberia. Russia 2012

Mark Carwardine / Tuna used for bait in great white shark diving cage, Guadalupe Island, Mexico (North Pacific)

Mark Carwardine / Chumming for Great white shark, pouring blood bait into the sea to attract the sharks, Guadalupe Island, Mexico (North Pacific)

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

Jeff Rotman / Great White shark (Carcharodon carcharias) approaching tuna bait, Dangerous Reef, Great Australian Bight, South Australia

Tui De Roy / Galapagos Petrel (Pterodroma phaeopygia) with rat baiting station, near nesting burrow, Galapagos Islands, Ecuador

Juergen Freund / Undersea Explorer's crew baiting grey reef sharks (Carcharhinus amblyrhynchos) to collect tissue samples. North Horn, Queensland, Australia

Sebastian Kennerknecht / Jaguar (Panthera onca) biologist, Milton Yacelga, setting up bait for camera trap survey in tropical rainforest, Kaminando Habitat Connectivity Initiative, Mamoni Valley, Panama

Sebastian Kennerknecht / Fishing Cat (Prionailurus viverrinus) biologists, Tharindu Bandara and Anya Ratnayaka, smelling cat attractant, Urban Fishing Cat Project, Diyasaru Park, Colombo, Sri Lanka

Ingo Arndt / George Lemann checking locations for hand baiting at whaling station for South Georgia Heritage Trust Rat Eradication Project, South Georgia Island

Richard Kirby / Cameraman Richard Kirby baiting a Saltwater crocodile to encourage it to jump. On location for BBC television series "Crocodiles", 1997. Adelaide river, Northern Territories, Australia

Winfried Wisniewski / Booted Eagle (Hieraaetus pennatus) feeding at bait station, Extremadura, Spain