IUCN Species of the Day: Philippine Crocodile

  Photo credit: Merlijn van Weerd   The Philippine Crocodile, Crocodylus mindorensis, is listed as ‘CRITICALLY ENDANGERED’ on the IUCN Red List of Threatened Species™. Found only in the Philippines, this relatively small crocodile is now reduced to just two viable populations on Luzon and Mindanao Islands, with a few small groups elsewhere. The species’ […]

IUCN Species of the Day: Rabb’s Fringe-Limbed Treefrog

  Photo credit: Brad Wilson, DVM   Rabb’s Fringe-limbed Treefrog, Ecnomiohyla rabborum, is listed as ‘CRITICALLY ENDANGERED’ on the IUCN Red List of Threatened Species™. This recently discovered species is found only in the mountains near El Valle de Anton, in central Panama. It inhabits the forest canopy, and may leap from the trees to […]

IUCN Species of the Day: Oceanic Whitetip Shark

  Photo credit: Stella Covre   The Oceanic Whitetip Shark, Carcharhinus longimanus, is listed as ‘VULNERABLE’ on the IUCN Red List of Threatened SpeciesTM. This migratory predator is one of the most widespread shark species, ranging across tropical and subtropical waters in all oceans. The Oceanic Whitetip Shark suffers from fishing pressure throughout most of […]

IUCN Species of the Day: Panay Monitor Lizard

  Photo credit: Tim Laman   The Panay Monitor Lizard, Varanus mabitang, is listed as ‘ENDANGERED’ on the IUCN Red List of Threatened SpeciesTM. This recently described monitor lizard is endemic to the island of Panay in the Philippines. A highly arboreal and specialized frugivore, it is generally associated with large trees in primary tropical […]

IUCN Species of the Day: Irrawaddy Dolphin

  Photo credit: Deparment of Fishery of Thailand   The Irrawaddy Dolphin, Orcaella brevirostris, is listed as ‘VULNERABLE’ on the IUCN Red List of Threatened Species™. A distinctive dolphin with a rounded head and no beak, this species is patchily distributed in shallow, coastal waters of the Indo-Pacific, and also occurs in three large river […]

IUCN Species of the Day: Lord Howe Island Stick Insect

  Photo credit: Paul Brock   The Lord Howe Island Stick Insect, Dryococelus australis, is listed as ‘CRITICALLY ENDANGERED’ on the IUCN Red List of Threatened SpeciesTM. It is known only from Lord Howe Island and Ball’s Pyramid, a volcanic outcrop in the Tasman Sea just 200 m wide at the base. Young nymphs are […]

IUCN Species of the Day: Narrowsnout Sawfish

  Photo credit: Flavio Ferrari   The Narrowsnout Sawfish, Pristis zijsron, is listed as ‘CRITICALLY ENDANGERED’ on the IUCN Red List of Threatened Species™. This large and unusual ray has a shark-like body and a long, flattened snout, or saw, which bears numerous pairs of ‘teeth’. It is found in the northern Indian Ocean around […]

IUCN Species of the Day: Laotian Rock Rat

  Photo credit: Uthai Treesucon   The Laotian Rock Rat, Laonastes aenigmamus, is listed as ‘ENDANGERED’ on the IUCN Red List of Threatened Species™. This recently described species is the sole surviving member of the Diatomyidae family, an ancient group of rodents previously considered to have been extinct for some 11 million years. While the […]

IUCN Species of the Day: Atlantic Salmon

Photo credit: Michel Roggo   The Atlantic Salmon, Salmo salar, is listed as ‘LEAST CONCERN’ on the IUCN Red List of Threatened Species™. This species is found throughout the North Atlantic region, where after long marine migrations they home precisely to their natal river to spawn. The abundance of Atlantic Salmon has declined markedly since […]

IUCN Species of the Day: Floreana Mockingbird

  Photo credit: Michale Dvorak   The Floreana Mockingbird, Mimus trifasciatus, is classified as ‘CRITICALLY ENDANGERED’ on the IUCN Red List of Threatened Species™. It survives today only on two tiny islets off the coast of Floreana Island in the Galápagos. Current population estimates are 47 birds on the 9 hectare Champion Island and 400-500 […]

IUCN Species of the Day: Leaf-Scaled Sea Snake

  Photo credit: Harold Cogger   Although not currently listed on the IUCN Red List of Threatened Species™, the Leaf-scaled Sea Snake, Aipysurus foliosquama, qualifies as ‘CRITICALLY ENDANGERED’ under IUCN criteria. This reef-associated snake, named for its unusually shaped scales, is known only from Ashmore and Hibernia Reefs, off the northwest coast of Australia. The […]

IUCN Species of the Day: Darwin’s Fox

  Photo credit: Yumil Hussein I.   Darwin’s Fox, Pseudalopex fulvipes, is listed as ‘CRITICALLY ENDANGERED’ on the IUCN Red List of Threatened Species™. This small fox has a disjunct distribution, with one population in the coastal mountains on mainland Chile and another 600 km south on Chiloé Island. With only about 250 individuals remaining, […]

IUCN Species of the Day: São Tomé Giant Treefrog

  Photo credit: D. Lin, California Academy of Sciences   The São Tomé Giant Treefrog, Hyperolius thomensis, is listed as ‘ENDANGERED’ on the IUCN Red List of Threatened Species™.  The largest member of its genus, this remarkable species is endemic to primary rainforest on the island of São Tomé in the Gulf of Guinea. A […]

IUCN Species of the Day: Fossa

  Photo credit: Ariadne Van Zandbergen   The Fossa, Cryptoprocta ferox, is listed as ‘VULNERABLE’ on the IUCN Red List of Threatened Species™.  It is the largest mammalian carnivore on Madagascar, and has a wide distribution in the less disturbed forests across the island. The main threat to the Fossa is the loss and fragmentation […]

IUCN Species of the Day: Garrison’s Andean Damsel

  Photo credit: Natalia von Ellenreider   The Garrison’s Andean Damsel, Andinagrion garrisoni, is listed as ‘NEAR THREATENED’ on the IUCN Red List of Threatened Species™.  This damselfly species is known only from northwestern Argentina, in the southern limits of the South American cloud forest.  It adds a colorful note to seepages, pools, and still […]