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Conservation Attention: Very Low

The ‘Eua Forest gecko is an island endemic in Tonga and, despite extensive surveys on other islands, no additional populations of this species have been found.

Conservation Attention: Medium

The Abbott’s Booby has a unique breeding biology, behaviour and bone structure that sets it apart from the six other booby species.

Conservation Attention: Very Low

Acanthodactylus harranensis is named after the area where it was discovered; the ruins of the ancient city of Harran in Turkey. It has a total known range of approximately 3.6 km².

Conservation Attention: Very Low

The African wedgefish is a large species of ray that is now very rare. It is found off the West coast of Africa, but little is known about this species and numbers are thought to have declined dramatically.

Conservation Attention: Very Low

Alexteroon Jynx is a species of frog that is endemic to Cameroon.

Conservation Attention: Very Low

The Alsco long-fingered frog is named after the company that funded the expedition that led to its formal discovery: American Linen Supply Company (ALSCO).

Conservation Attention: Very Low

Due to its attractive appearance Alveopora excelsa is often targeted for the aquarium trade across South East Asia.

Conservation Attention: Very Low

Within the genus Alveopora, there are 12 species, most of which, like A. minuta, are poorly documented in terms of their biology and ecology.

Conservation Attention: Low

Parhoplophryne is a monotypic frog genus, meaning that Parhoplophryne usambarica is the sole species in this genus.

Conservation Attention: Good

The Angelshark is a distinctive shark species found in the northeast Atlantic and Mediterranean Sea. It is a “flat shark” (one that is dorsoventrally flattened) and an ambush predator, relying on camouflage to surprise its prey.

Conservation Attention: Medium

Anodonthyla theoi is endemic to Madagascar and is known only from Manombo Species Reserve.

Conservation Attention: Medium

Anodonthyla vallani is a frog endemic to Madagascar and is known only from a single locality within the Ambohitantely Species Reserve.

Conservation Attention: Very Low

Before it was recorded again in 2010, only one individual of the Critically Endangered arboreal splayfoot salamander had been found since the 1980s.

Conservation Attention: Good

Archey’s frog is the world’s most Evolutionarily Distinct and Globally Endangered amphibian species.

Conservation Attention: Very Low

This nocturnal storm-petrel is notoriously difficult to identify due to its all dark plumage, which is hard to pick out in the dark.

Conservation Attention: Medium

This species is at the brink of extinction, with only 10 birds found in the wild in the 1980s.

Conservation Attention: Medium

The spectacular Asian narrow-headed softshell turtle may be the world’s largest freshwater turtle, growing to over 1.2 metres in length and weighing up to 254 kilograms!

Conservation Attention: Very Low

Apart from a single record in 1966, this Hispaniola endemic species has not been collected since 1929. Worryingly, a number of older records suggest it may have been relatively common in the early 20th century.

Conservation Attention: Very Low

Attenborough’s long-beaked echidna, also known as Sir David’s Long-beaked Echidna, is the smallest and probably most threatened of the three long-beaked echidna species. Echidnas and platypus are the only mammals to lay eggs.

Conservation Attention: Medium

This Australian endemic bird occurs widely but unevenly across the continent.

Conservation Attention: Very Low

The Critically Endangered Ayacucho Andes frog is endemic to Peru, where it inhabits montane cloud forests.

Conservation Attention: Low

The highly distinctive aye-aye is the world’s largest nocturnal primate.

Conservation Attention: Medium

Baird’s tapir is the largest indigenous mammal in Central America. Tapirs are a ‘primitive’ group that resemble the ancestor of rhinos and horses, and have remained morphologically similar for the last 35 million years.

Conservation Attention: Very Low

This once numerous species has only been sighted three times since 1986, and has not been found at the place it was originally found, despite repeated surveys.