Sean Crane / Celebes Black Macaque (Macaca nigra) scratching head, Tangkoko Nature Reserve, Sulawesi, Indonesia

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

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

Michael & Patricia Fogden / Green-spotted Swallowtail (Graphium tynderaeus) butterfly, Tangkoko Batuangus Reserve, Indonesia

Tui De Roy / Sulawesi Red-knobbed Hornbill (Aceros cassidix) male delivering figs to a female sealed inside hollow nest cavity, Tangkoko Dua Saudara Nature Reserve, Sulawesi, Indonesia

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

Chien Lee / Great Eared-Nightjar (Eurostopodus macrotis), Tangkoko Nature Reserve, Sulawesi, Indonesia

Sean Crane / Palm frond, Tangkoko Nature Reserve, Sulawesi, Indonesia

Sean Crane / Gursky's Spectral Tarsier (Tarsius spectrumgurskyae) mother with young, Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Fulgorid Planthopper (Scamandra thetis), Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Fig (Ficus sp) with buttress roots, Tangkoko Nature Reserve, Sulawesi, Indonesia

Chien Lee / Bornean Smaller Flying Frog (Rhacophorus borneensis) pair in amplexus, Taong, Batang Ai National Park, Malaysia