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

Chris Mattison / Kuhl's Creek Frog (Limnonectes kuhlii) Kinabalu National Park, Sabah, Borneo.

Chris Mattison / Yellow-bellied Puddle Frog (Occidozyga laevis) Danum Valley, Sabah, Borneo.

Chris Mattison / Yellow-bellied Puddle Frog (Occidozyga laevis) in amplexus, Danum Valley, Sabah, Borneo.

Chris Mattison / Rough Guardian Frog (Limnonectes finchi) Danum Valley, Sabah, Borneo.

Chris Mattison / Giant River Frog (Limnonectes leporinus) Danum Valley, Sabah, Borneo.

Chris Mattison / Rough Guardian Frog (Limnonectes finchi) male carrying tadpoles, Danum Valley, Sabah, Borneo.

Chris Mattison / Yellow-bellied Puddle Frog (Occidozyga laevis) in amplexus in water, Danum Valley, Sabah, Borneo.

Chris Mattison / Spotted Puddle Frog (Occidozyga lima) captive from South East Asia

Chris Mattison / Grass Frog (Fejervarya limnocharis) on ground, Danum Valley, Sabah, Borneo.

Jouan & Rius / Kuhl's creek frog (Rana / limnonectes kuhlii) in stream, Gunung Gading NP, Borneo, Sarawak, Malaysia

Chris Mattison / Spiny devil katydid (Panacanthus cuspidatus), Napo, Ecuador, South America.