Carolina Parakeet (Conuropsis carolinensis). Field Museum of Natural History, Chicago. FMNH catalogue no. 40273. Conservation status: extinct.

A mural of an axolotl in the Nativitas neighbourhood. This endemic amphibian from the Valley of Mexico was considered an aquatic manifestation of the god Xolotl.

A mural of an axolotl in the Caltongo neighbourhood. This endemic amphibian from the Valley of Mexico was considered an aquatic manifestation of the god Xolotl.

Two axolotls that morphed, due to stress, into a salamander, rest in a fishtank at the UNAM's Ecological Restoration Laboratory. Although the axolotl seems to be thriving across fishtanks in the world...

Juvenile axolotls (Ambystoma mexicanum), a salamander, swimming in a fish tank at an axolotarium, a place to grow specimens and receive tourists, in Xochimilco. Although the axolotl seems to be thrivi...

Axolotls rest inside a net during a counting of the specimens at CIBAC's laboratory. Although the axolotl seems to be thriving across fishtanks in the world, it is nearly extinct in the wild due to in...

Albino axolotls rest inside a container at CIBAC's laboratory. Although the axolotl seems to be thriving across fishtanks in the world, it is nearly extinct in the wild due to increases in invasive fi...

Baby axolotls rest inside a container at CIBAC's laboratory. Although the axolotl seems to be thriving across fishtanks in the world, it is nearly extinct in the wild due to increases in invasive fish...

Albino axolotls rest inside a container at CIBAC's laboratory. Although the axolotl seems to be thriving across fishtanks in the world, it is nearly extinct in the wild due to increases in invasive fi...

A worker changes the water of an axolotl container at CIBAC's laboratory. Although the axolotl seems to be thriving across fishtanks in the world, it is nearly extinct in the wild due to increases in...

An axolotl made from palm leaves in farmer Felipe Luna's home. This endemic amphibian from the Valley of Mexico was considered an aquatic manifestation of the god Xolotl.

An Axolotl inside a fish tank at the UNAM's Ecological Restoration Laboratory. The university's restoration process relies upon the establishment of axolotl refuges to increase water quality, a change...

A female Axolotl inside a fish tank at the UNAM's Ecological Restoration Laboratory. The university's restoration process relies upon the establishment of axolotl refuges to increase water quality, a...

Horacio Mena holds an Axolotl inside a fish tank at the UNAM's Ecological Restoration Laboratory. The university's restoration process relies upon the establishment of axolotl refuges to increase wate...

Juvenile axolotls (Ambystoma mexicanum), a salamander, swimming in a fish tank at an axolotarium, a place to grow specimens and receive tourists, in Xochimilco. Although the axolotl seems to be thrivi...