Philautus mjobergi
Range
Endemic to northern Borneo: Kalimantan and Sarawak
The Murud bubble-nest frog, or Mjöberg's bush frog, is a frog in the family Rhacophoridae, endemic to northern Borneo and found in Kalimantan and Sarawak. The specific name honours Eric Mjöberg, a Swedish naturalist, ethnographer and explorer. Adult males measure 18–24 mm (Wikipedia, general species account).