Great Hornbill (Buceros bicornis), family Bucerotidae, order Bucerotiformes, Western Ghats, India

photograph by Madhu Kizhukooth

• Thai native.

Rufous Hornbill or Kalaw (Buceros hydrocorax), family Bucerotidae, order Bucerotiformes, Quezon, Philippines

• As a species this is considered “Vulnerable”, but is considered Critically Endangered in parts of its range.

photograph by Henrick Tan

Great Hornbill (Buceros bicornis), family Bucerotidae, order Bucerotiformes, WB, India

photograph by Manish Nikte

Black-casqued Hornbill (Ceratogymna atrata), family Bucerotidae, order Bucerotiformes, The Gambia

photograph by Jannie Pieters

Sulawesi Dwarf Hornbill (Rhabdotorrhinus exarhatus), male, family Bucerotidae, order Bucerotiformes, Sulawesi, Indonesia

photograph by George So

Rhinoceros Hornbill (Buceros rhinoceros), family Bucerotidae, order Bucerotiformes, Borneo

photograph by Andrew Hunt

Rufous-necked Hornbill (Aceros nipalensis), female, family Bucerotidae, order Bucerotiformes, Mahananda Wildlife Sanctuary, WB, India

photograph by Sarbajit Ghosh

Visayan Hornbill (Penelopides panini), male, family Bucerotidae, order Bucerotiformes, endemic to the Philippines

ENDANGERED.

photograph by Henrick Tan

Rufous-necked Hornbill (Aceros nipalensis), male, family Bucerotidae, order Bucerotiformes, Mahananda Wildlife Sanctuary, WB, India

photograph by Midhun Thomas

Uakari Poison Frog (Ranitomeya uakarii), father and tadpoles, family Dendobatidae, Peru

• Males carry tadpoles to water filled bromeliads after hatching.

photograph by Jonghyun Park