Charlie Summers / Red Land Crabs (Gecarcoidea natalis) crawling over roots of tree, on their migration pathway from the forests to coast, Christmas Island, South East Asia

Juergen Freund / Masses of Christmas Island Red Crabs spawning on the beach.

Juergen Freund / Christmas Island red crab in school classroom (Gecarcoidea natalis) Indian Ocean, Australia

Juergen Freund / Christmas Island Red Crabs {Gecarcoidea natalis} on the shore. Indian Ocean, Australia

Juergen Freund / Christmas Island red crab migration from sea, Christmas Is, Indian Ocean

Juergen Freund / Children helping to clear up baby Christmas Island red crabs {Gecardoidea natalis}, mass emergence part of annual migration across Christmas Island, Indian Ocean

Juergen Freund / Larvae of Christmas island red crabs ready to leave sea for migration to forest {Gecarcoidea natalis} Christmas island, Pacific.

Charlie Summers / Christmas Island Goshawk (Accipiter fasciatus natalis) perched in a tree, Christmas Island, Indian Ocean, Australian external territory. Endangered.

Juergen Freund / Coconut crabs on beach, Christmas Island

Juergen Freund / Yellow tropic bird / Golden Bosun bird {Phaethon lepturus fulvus} juvenile on nest, Christmas Island, Indian Ocean

Juergen Freund / Coastline of Christmas Island, Indian Ocean

Juergen Freund / Whale shark split level {Rhincodon typus} Christmas Island, Australia