Chien Lee / Smooth Guardian Frog (Limnonectes palavensis) male carrying tadpoles, Kubah National Park, Sarawak, Borneo, Malaysia

Paul Bertner / Smooth Guardian Frog (Limnonectes palavensis) sub-adult male, Danum Valley Conservation Area, Sabah, Borneo, Malaysia

Chien Lee / Smooth Guardian Frog (Limnonectes palavensis) male carrying tadpoles on back, Sarawak, Borneo, Malaysia

Chien Lee / Smooth Guardian Frog (Limnonectes palavensis) males guarding fertilized eggs under dead leaves, Gunung Penrissen, Borneo Highlands, Malaysia

Chris Mattison / Smooth guardian frog (Limnonectes palavanensis) Kinabalu National Park, Sabah, Borneo.