Shane P. White / Coconut Crab (Birgus latro) on palm tree, Espiritu Santo, Vanuatu

Ingo Arndt / Robber / Coconut Crab (Birgus latro) close up of head and legs, Christmas Island, Indian Ocean, Australian Territory

Doug Perrine / Coconut / Robber crab climbing palm tree {Birgus latro} Palau, Micronesia

Pete Oxford / Coconut crab (Bigrus latro) on tree trunk, Aldabra, Seychelles.

Pete Oxford / Coconut (Robber) crab climbing coconut tree, Aldabra Seychelles

Juergen Freund / Coconut Crab on beach, Christmas Island, Indian Ocean.

Piotr Naskrecki / Coconut Crab (Birgus latro) on recycled bottles, Vamizi Island, Mozambique

Piotr Naskrecki / Coconut Crab (Birgus latro), Vamizi Island, Mozambique

Piotr Naskrecki / Coconut Crab (Birgus latro) in defensive posture, Vamizi Island, Mozambique

Piotr Naskrecki / Coconut Crab (Birgus latro), Vamizi Island, Mozambique

Franco Banfi / Coconut crab (Birgus latro) on a palm trunk, Aldabra Atoll, Natural World Heritage Site, Seychelles, Indian Ocean.

Ingo Arndt / Robber / Coconut Crab (Birgus latro) clinging to exposed rock, with waves washing over, Christmas Island, Indian Ocean, Australian Territory