The Puerto Rican crested toad (''Peltophryne lemur''), or simply Puerto Rican toad, is a species of

toad Toad (also known as a hoptoad) is a common name for certain frogs, especially of the family Bufonidae, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands. In popular culture (folk taxonomy ...

found only in

Puerto Rico ; abbreviated PR), officially the Commonwealth of Puerto Rico, is a Government of Puerto Rico, self-governing Caribbean Geography of Puerto Rico, archipelago and island organized as an Territories of the United States, unincorporated territo ...

and the

Virgin Islands The Virgin Islands () are an archipelago between the Atlantic Ocean, North Atlantic Ocean and northeastern Caribbean Sea, geographically forming part of the Leeward Islands of the Lesser Antilles in the Caribbean, Caribbean islands or West Indie ...

. It is the only species of toad native to Puerto Rico and the Virgin Islands. The species formerly occurred in

Virgin Gorda Virgin Gorda () is the third-largest island (after Tortola and Anegada) and second-most populous of the British Virgin Islands (BVI). Geography Located at about 18 degrees, 30 minutes North, and 64 degrees, 30 minutes West, it covers an area o ...

and along the southern and northern karst in Puerto Rico. It is listed as a threatened by the

US Fish and Wildlife Service The United States Fish and Wildlife Service (USFWS or FWS) is a U.S. federal government agency within the United States Department of the Interior which oversees the management of fish, wildlife, and natural habitats in the United States. ...

due to

habitat loss Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...

and

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived ther ...

. At one period of time it was believed to be extinct until it was rediscovered in 1966. The

IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...

has the species listed as

endangered An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching, inv ...

Conservation

The U.S. Fish and Wildlife Service, the Department of Natural and Environmental Resources, and the American

Association of Zoos and Aquariums The Association of Zoos and Aquariums (AZA), originally the American Association of Zoological Parks and Aquariums (AAZPA), is an American 501(c)(3) nonprofit organization founded in 1924 and dedicated to the advancement of zoos and public aqu ...

have worked together to create a captive breeding program run by the American Association of Zoos and Aquariums. In 2013, the group released 71,000 tadpoles and 520 toadlets across three locations. The group has released 260,000 tadpoles over the last twenty years. In 2019, another 8,000 tadpoles were sent to Puerto Rico from the

Detroit Zoological Society The Detroit Zoo is a zoo located in the cities of Huntington Woods and Royal Oak in the U.S. state of Michigan. Spanning , it houses more than 2,000 animals and more than 200 different species. The zoo was the first U.S. zoo to feature bar-le ...

. In November 2019 the first Puerto Rican crested toad was born as a result of

in vitro ''In vitro'' (meaning ''in glass'', or ''in the glass'') Research, studies are performed with Cell (biology), cells or biological molecules outside their normal biological context. Colloquially called "test-tube experiments", these studies in ...

References

Peltophryne Amphibians of Puerto Rico Fauna of the British Virgin Islands Amphibians of the United States Virgin Islands Amphibians described in 1869 Taxa named by Edward Drinker Cope {{Bufonidae-stub

Conservation

See also

References