Wildlife of the UK overseas territories

Standing over 1m in height and weighing up to 40kg, the emperor penguin (Aptenodytes forsteri) is the heavyweight of the penguin world. Living around the south pole, colonies of this charismatic species are found in South Georgia, the South Sandwich Islands and the British Antarctic Territory
Photograph: Daniel J. Cox / www.osfimages.com /ARKive

Confined to the island of Anegada in the British Virgin Islands, the total population of the critically endangered Anegada ground iguana (Cyclura pinguis) is thought to number less than 200 individuals Photograph: Daniel Heuclin/www.nhpa.co.uk/ARKive

The vulnerable black cabbage tree, (Melanodendron integrifolium) is endemic to the island of St Helena in the south Atlantic. Although the most abundant of the endemic cabbage trees, only around 1,000 individuals are thought to remain Photograph: Andrew Darlow/ARKive

Over 60% of the total breeding population of the endangered black-browed albatross (Thalassarche melanophrys) breeds on the Falkland Islands in the south Atlantic Photograph: Colin Monteath/www.osfimages.com/ARKive

Endemic to Grand Cayman, the magnificently striking Cayman Island blue iguana (Cyclura lewisi) is one of the most endangered lizards on Earth, with a wild population estimated at just 10-25 individuals in 2002 Photograph: Marian Bacon/Animals Animals/ARKive

The endangered coral Ctenella chagius is endemic to the British Indian Ocean Territory which comprises the 55 islands of the Chagos archipelago, home to the world's largest coral atoll Photograph: Dr Alasdair Harris, Blue Ventures Conservation/ARKive

Akrotiri salt lake in the British sovereign base area of Cyprus provides a wintering area for up to 30,000 greater flamingos. This elegant species, with its distinctive pink plumage, can also be seen in Gibraltar, which forms part of the species' migratory route Photograph: Wild Wonders of Europe / Allofs / naturepl.com /ARKive

Listed under the Ramsar convention as being of international importance, wetlands in the Turks and Caicos are a haven for wildlife and host key populations of the vulnerable West Indian whistling duck (Dendrocygna arborea) Photograph: William Osborn / naturepl.com /ARKive

Anguilla, the most northerly of the Leeward Islands, is home to the endangered Leeward Island racer (Alsophis rijersmai), one of the rarest snakes in the Lesser Antilles Photograph: Karl Questel/ARKive

Montserrat is one of only two sites where the critically endangered mountain chicken frog (Leptodactylus fallax) is found. Already threatened by hunting and habitat loss, this key population has recently been affected by outbreaks of chytrid fungus, a virus that is devastating amphibian populations worldwide Photograph: Goncalo M. Rosa / Durrell/ARKive

The endangered Henderson petrel, Pterodroma atrata, is known to breed only on Henderson Island, one of the four Pitcairn Islands in the South Pacific Ocean Photograph: Alve Henricson / www.henricson.eu/ARKive

The flamboyantly coloured queen triggerfish Balistes vetula inhabits the coral reefs of Bermuda where it feeds on a range of molluscs, crustaceans and echinoderms Photograph: James D. Watt/imagequestmarine.com/ARKive