![](https://www.lars-fehlandt.de/wp-content/uploads/2023/01/Metaphrynella-sundana-Borneo-Lars-Fehlandt_P4A3652_05_2022-620x383.jpg)
15th May 2022
Bornean tree hole frog, Metaphrynella sundana (Peters, 1867) of Ulu-Ai Borneo. Metaphrynella sundana is a small frog that is heard very often in the rainforests of Borneo but rarely seen, as the males always sit in tree cavities and attract…