Crested serpent eagle (Spilornis cheela, juvenile) in Ulu Temburong National Park, . Photo: Joremy Tony.

Behold the king of the Mumong Road: The great slaty woodpecker (Mulleripicus pulverulentus), the largest extant woodpecker species in the world and classified as "vulnerable" due to its dependance on old-growth forest. Photo: Husini Bakar.

Pied triller (Lalage nigra) doing its stretch exercises in . Photo: Husini Bakar.

Black-winged flycatcher-shrike (Hemipus hirundinaceus, female) on the lookout in . Photo: Husini Bakar.

Big red beak: Stork-billed kingfisher (Pelargopsis capensis) in . Photo: Joremy Tony.

Wandering whistling duck (Dendorcygna arcuata) wandering and whistling in . Photo: Joremy Tony.

Black and yellow: Assassin bug in . Photo: Husini Bakar.

Four eyes on the lookout: Jumping spider in . Photo: Husini Bakar.

Common flameback (Dinopium javanense, female) in . Photo: Husini Bakar.