Pete Oxford / Aldabra giant tortoise {Geochelone gigantea} cooling in water, Picard Is, Aldabra, Seychelles

Miles Barton / Aldabra giant tortoise {Geochelone gigantea} browsing, Aldabra, Seychelles

Pete Oxford / Aldabra giant tortoises {Geochelone gigantea} resting in shade of vegetation, Aldabra, Seychelles

Chris Gomersall / Aldabra giant tortoise {Geochelone gigantea} 'George', Cousin Island, Seychelles

Adam White / Giant tortoise {Geochelone elephantopus} swimming in sea, Aldabra, Seychelles

Pete Oxford / Aldabra tortoise on beach {Geochelone gigantea} Picard Island, Aldabra, Seychelles

Pete Oxford / Aldabra tortoise on beach {Geochelone gigantea} Aldabra atoll, Seychelles

Pete Oxford / Aldabra tortoise in wallow {Geochelone gigantea} Aldabra, Seychelles

Tom Vezo / Aldabra tortoises mating {Geochelone gigantea} Aldabra Zoo, Seychelles captive

Miles Barton / Aldabra tortoise grazing on tree {Geochelone gigantea} Aldabra, Seychelles

Adam White / Giant tortoise {Geochelone elephantopus} on shore after swimming, Aldabra, Seychelles

Pete Oxford / Aldabra tortoise, Grande Terre Island, Aldabra Atoll, Seychelles.