What amphibians are endangered or extinct?

According to the International Union for Conservation of Nature (IUCN), here are some examples of amphibians that are listed as endangered or extinct:

Critically Endangered (CR):

- Panamanian Golden Frog (Atelopus zeteki)

- Wyoming Toad (Anaxyrus baxteri)

- Chinese Giant Salamander (Andrias davidianus)

- Axolotl (Ambystoma mexicanum)

Endangered (EN):

- Eastern Hellbender (Cryptobranchus alleganiensis)

- Iberian Green Frog (Pelophylax perezi)

- Harlequin Frog (Atelopus spp.)

- African Violet Frog (Leptodactylus pentadactylus)

- Purple Frog (Nasikabatrachus sahyadrensis)

Vulnerable (VU):

- European Tree Frog (Hyla arborea)

- Pickerel Frog (Lithobates palustris)

- Mantella Frogs (Mantella spp.)

- Panamanian Poison Frog (Phyllobates terribilis)

- Yellow-Eyed Leaf Frog (Agalychnis annae)

Extinct (EX):

- Golden Toad (Incilius periglenes)

- Kihansi Spray Toad (Nectophrynoides asperginis)

- Rabb's Fringe-Toed Lizard (Agama rabetorum)

- Yunnan Lake Newt (Cynops wolterstorffi)

These are just a few examples, and the conservation status of amphibians can change over time as more research is conducted and new information becomes available.