Mammal · Great apes
Bornean orangutan
The red ape of Borneo's lowland forests: a solitary fruit-eater that builds a fresh sleeping nest high in the trees every night.
Meet the orangutan
Wildlife
Mammal · Great apes
The red ape of Borneo's lowland forests: a solitary fruit-eater that builds a fresh sleeping nest high in the trees every night.
Meet the orangutan
Mammal · Monkeys
Found only on Borneo, and easiest to see from a boat along the river banks of the Kinabatangan at dawn and dusk.
Meet the proboscis monkey
Mammal · Elephants
The smallest elephant in Asia, moving in family herds through the lowland forests and river floodplains of north-east Borneo.
Meet the elephant
Mammal · Cats
Borneo's largest cat and top predator, rarely seen. Night drives in sustainably logged forest such as Deramakot give some of the best odds.
Meet the clouded leopard
Bird · Hornbills
A huge forest bird with an upswept orange casque, whose booming calls and noisy wingbeats carry far across the canopy.
Meet the hornbill
Mammal · Bears
The world's smallest bear: a tree-climbing honey lover with a long tongue and a pale crescent on its chest.
Meet the sun bear
Bird · Bristlehead
A bird so unusual it has a family all to itself, found only in Borneo's lowland forest and sought by birders from around the world.
Meet the bristlehead4,258 species of mammals, birds, reptiles, amphibians, insects, fish and plants
Mammal watching in BorneoWhere to go, why the night drives need to be long, what a thermal imager changes, and the species you won't see without a trip built around them.
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Birdwatching in BorneoWhere to go, how the mornings actually run, when to be out, and the 60-odd endemics that live nowhere else on Earth.
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Herping in BorneoWhere to go, why the good hours are after dark and after rain, how to walk a stream, and the snakes, frogs and lizards worth a trip.
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Wildlife photography in BorneoWhere to shoot, what you'll actually get a frame of, and the trade-offs worth knowing before you book.
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Trip report: Borneo's Rare Mammals Tour 2024A Sunda Clouded Leopard stalks a Malay Porcupine in daylight, plus Banteng and Binturong, from Royle Safaris' 2024 tour.
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Trip report: Bristleheads & Broadbills, Sabah 2026A displaying Bornean Peacock-Pheasant and a Whitehead's Broadbill on the nest, from Trusmadi to Tabin. 274 birds, 39 mammals.
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Borneo holds some of the richest biodiversity left on Earth — orangutans, Bornean elephants and Sunda clouded leopards in rainforest that exists nowhere else. This is a free field guide to 4,258 of its species, a planner for building a trip around them, and a log for recording what you actually see.
Once you're on the ground, switch to My Sightings to record what you actually saw: the species, the location and the date. It's built for independent travellers, guests preparing for a booked tour, guides and tour operators putting together itineraries, and teachers, students and naturalists who want to learn more about Borneo's wildlife.
Many of Borneo's species still have no photo in this guide. If you have a good, openly licensed photo of one, we would love to use it, with credit.