Kevin Schafer / Indian gharial (Gavialis gangeticus) Chambal National Sanctuary, Madhya Pradesh, India, Critically Endangered

Bernard Castelein / Indian gharial {Gavialis gangeticus} at waters edge with mouth open, Chamball river, Madhya Pradesh, India

Bernard Castelein / Indian gharial {Gavialis gangeticus} Chamball river, Madhya Pradesh, India

Anup Shah / Face on shot of Indian gharial {Gavialis gangeticus} with mouth wide open and dragonfly sitting on snout, India. Endangered species

Anup Shah / Head on view of male Indian gharial {Gavialis gangeticus} India, Endangered species

Anup Shah / Indian gharial {Gavialis gangeticus} head and mouth profile, reflected in water, India. Endangered species.

Anup Shah / Male Indian gharial {Gavialis gangeticus} with head above water and mouth open, India. Endangered species. The appendage or ghara on snout is to amplify mating call.

Anup Shah / Male Indian gharial {Gavialis gangeticus} with mouth wide open in water, India, Endangered species. Ghara - appendage on end of nose helps amplify mating call.

Pete Oxford / Gharial (Gavialis gangeticus) on shore, National Chambal Gharial Wildlife Sanctuary, Madhya Pradesh, India. Critically endangered species.

Pete Oxford / Gharial (Gavialis gangeticus) on shore, National Chambal Gharial Wildlife Sanctuary, Madhya Pradesh, India. Critically endangered species.

Pete Oxford / Gharial (Gavialis gangeticus) on shore, National Chambal Gharial Wildlife Sanctuary, Madhya Pradesh, India. Critically endangered species.

Kevin Schafer / Indian gharial (Gavialis gangeticus) Chambal National Sanctuary, Madhya Pradesh, India, Critically Endangered