Brent Stephenson / White-tailed Tropicbird (Phaethon lepturus) chick still partially covered in down, at its nest. Aride Island, Seychelles.

Charlie Summers / Golden Bosunbird (Phaethon lepturus fulvus) in flight, Christmas Island, Indian Ocean, Australian external territory, December

Pete Oxford / White tailed tropic bird {Phaethon lepturus} on ground nest, pacific islands

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

Tom Vezo / White-tailed Tropicbird (Phaethon lepturus) mother and chick, Rio Grande Valley, Texas

Juergen Freund / Golden Bosunbird {Phaethon lepturus fulvus} Christmas Is, Indian Ocean

Juergen Freund / Golden Bosunbird {Phaethon lepturus fulvus} chick on nest in cave, Christmas Is, Indian Ocean

Juergen Freund / Golden Bosunbird {Phaethon lepturus fulvus} chick on nest in cave, Christmas Is, Indian Ocean

Mike Potts / White tailed tropic bird nesting {Phaethon lepturus} Bosunbird Is, Ascension Island

Juergen Freund / Golden bosun / yellow tropic bird flying {Phaethon lepturus fulvus} Christmas Island, Indian Ocean

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

Juergen Freund / Golden Bosun / yellow tropic bird feeding juvenile {Phaethon lepturus fulvus} Christmas Island, Indian Ocean

Juergen Freund / Endemic Yellow tropic / golden bosun bird at nest with chick {Phaethon lepturus fulvus} Christmas Island

Juergen Freund / Endemic Yellow tropic / golden bosun bird juvenile in nest {Phaethon lepturus fulvus} Christmas Island

Juergen Freund / Endemic Yellow tropic / golden bosun bird nests beside houses {Phaethon lepturus fulvus} Christmas Island

Juergen Freund / Endemic Yellow tropic / Golden bosun bird flying {Phaethon lepturus fulvus} Christmas Island

Juergen Freund / Endemic Yellow tropic / golden bosun bird flying{Phaethon lepturus fulvus} Christmas Island

Juergen Freund / Golden Bosun / yellow tropicbird flying over sea {Phaethon lepturus fulvus} Christmas Island, Indian Ocean

Juergen Freund / Endemic Yellow tropic / Golden bosun bird feeds juvenile {Phaethon lepturus fulvus} Christmas Island - tropicbird

Julian Hume / Illustration of Dubois's kestrel (Falco duboisi) - extinct 1674 - hunting a Manapany day gecko (Phelsuma inexpectata) (left,on trunk),while grey tomb bats (Taphozous mauritianus) (left,below) roost in...