Anup Shah / Celebes / Black crested macaque (Macaca nigra) group approaching with curiosity, Tangkoko National Park, Sulawesi, Indonesia.

Chien Lee / Celebes Black Macaque (Macaca nigra) pair grooming, Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Long Horn Beetle (Batocera sp), Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Hooded Pitta (Pitta sordida), Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Hooded Pitta (Pitta sordida), Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Spectral Tarsier (Tarsius tarsier), Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Bear Cuscus (Ailurops ursinus) in tree, Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Green-backed Kingfisher (Actenoides monachus), Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Celebes Black Macaque (Macaca nigra), Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Spectral Tarsier (Tarsius tarsier) climbing tree at night, Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Lilac-cheeked Kingfisher (Cittura cyanotis), Tangkoko Nature Reserve, Sulawesi, Indonesia

Thomas Marent / Sea Putat (Barringtonia asiatica) flowers on volcanic black sand beach at sunrise, Tangkoko Nature Reserve, northern Sulawesi, Indonesia