Neil Lucas / Dragons blood trees (Dracena cinnibaris) and Desert rose (Adenium obesum socotranum) in Momi Valley, Socotra Island, Yemen, February 2008

Michael D. Kern / Socotra Island Blue Baboon Tarantula (Monocentropus balfouri) captive from Yemen

Hanne & Jens Eriksen / Socotra sunbird {Nectarinia balfouri}, feeding on {Trichocalyx obovatus} flower, Wadi Ayhaft, Socotra Island, Yemen

Hanne & Jens Eriksen / Long billed pipit {Anthus similis} perched in bush, singing, Diham, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra rock gecko {Pristurus sokotranus}, Wadi Ayhaft, Socotra Island, Yemen

Hanne & Jens Eriksen / Long billed pipit {Anthus similis} perched in bush, Diham, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra sunbird {Nectarinia balfouri}, in {Trichocalyx obovatus} tree, Wadi Ayhaft, Socotra Island, Yemen

Hanne & Jens Eriksen / Purple tarantula spider {Monocentropus balfouri}, Wadi Ayhaft, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra scops owl {Otus socotranus} in palm tree, Hadibo, Socotra Island, Yemen

Hanne & Jens Eriksen / Long billed pipit {Anthus similis} perched in bush, with food, Diham, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotran desert rose {Adenium obesum sokotranum} flowering, Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Purple tarantula spider {Monocentropus balfouri}, Wadi Ayhaft, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra sparrow {Passer insularis} male on branch, Socotra Island, Yemen

Hanne & Jens Eriksen / Man teaching boys about the environment, Wadi Qarad, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotran desert rose {Adenium obesum sokotranum} flowering in desert, Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra sparrow {Passer insularis} male on twig, Socotra Island, Yemen

Hanne & Jens Eriksen / Lichtenstein's sandgrouse {Pterocles lichtensteinii}, female, on stony ground, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotran desert rose {Adenium obesum sokotranum} flowers, Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra bunting {Emberiza socotrana} on rock, Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra starling {Onychognathus frater}, perched in bush, Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Somali starling {Onychognathus blythii} female on twig, Socotra Island, Yemen

Hanne & Jens Eriksen / Dragon's blood tree {Dracaena cinnabari} Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra starling {Onychognathus frater}, perched in bush, Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Lichtenstein's sandgrouse {Pterocles lichtensteinii}, male, on stony ground, Socotra Island, Yemen

Hanne & Jens Eriksen / Kentish plover {Charadrius alexandrinus} stretching, Khawr Ghubah, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra cormorant {Phalacrocorax nigrogularis} on rock, Qalansiyah, Socotra Island, Yemen

Hanne & Jens Eriksen / Lichtenstein's sandgrouse {Pterocles lichtensteinii} male, on stony ground, Socotra Island, Yemen

Hanne & Jens Eriksen / Brown booby {Sula leucogaster} calling on cliff wall, Qalansiyah, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra starling {Onychognathus frater}, feeding, on rock, Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra freshwater crab {Socotrapotamon socotrensis}, on rock, Dieksum, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra sunbird {Nectarinia balfouri}, feeding on {Trichocalyx obovatus} flower, Wadi Ayhaft, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra rock gecko {Pristurus sokotranus}, Wadi Ayhaft, Socotra Island, Yemen

Hanne & Jens Eriksen / Socotra Cormorant {Phalacrocorax nigrogularis} in flight, Hawar Island, Bahrain.

David Shale / Socotra cormorant nest colony, Hawar Island Bahrain - photographed during making of BBC Planet Earth series

Hanne & Jens Eriksen / Socotra cormorant (Phalacrocorax nigrogularis) colony on beach at Hawar Island, Bahrain, October

Hanne & Jens Eriksen / Socotra cormorant (Phalacrocorax nigrogularis) standing on gravel with two eggs. Hawar Island, Bahrain, October

David Shale / Socotra cormorant (Phalacrocorax nigrogularis) colony on a beach at Hawar Island, Bahrain

David Shale / Socotra cormorant (Phalacrocorax nigrogularis) colony on a beach at Hawar Island, Bahrain

Hanne & Jens Eriksen / Four Socotra cormorants (Phalacrocorax nigrogularis) in flight against blue sky over Hawar Island, Bahrain, October

Hanne & Jens Eriksen / Socotra cormorant (Phalacrocorax nigrogularis) in flight against blue sky over Hawar Island, Bahrain, October

Hanne & Jens Eriksen / Socotra cormorant (Phalacrocorax nigrogularis) standing in shallow water, Hawar Island, Bahrain, October

Hanne & Jens Eriksen / Socotra cormorant (Phalacrocorax nigrogularis) in flight against blue sky over Hawar Island, Bahrain, October