Proboscis Monkey Congregation — Kinabatangan Borneo

About this spectacle

As afternoon fades to dusk along the Kinabatangan River, flat-bottomed boats drift beneath overhanging forest and passengers watch proboscis monkeys — the world's most improbable-looking primates — gather in riverside trees to roost. Adult males announce themselves with deep, resonating honks amplified through their extraordinary pendulous noses, their pot-bellied silhouettes darkening against an orange sky. Multiple family groups converge simultaneously, filling the canopy with movement and noise: babies clinging to mothers, juveniles leaping between branches, dominant males posturing. The red-brown coats catch the last warm light beautifully. Between monkey sightings, the same river corridor regularly yields pygmy elephants drinking at the bank, Irrawaddy dolphins surfacing mid-channel, and the occasional orang-utan silhouette in the adjacent forest. Birdsong gives way to the calls of nightjars as darkness falls. The experience is intimate — boats approach quietly from the water, the animals are habituated and unperturbed, and the density of wildlife along this corridor is remarkable even by Bornean standards.

When to go

Jan — Dec, peak Mar — Oct

Getting there

Nearest airport: SAN. Nearest city: Sandakan.

Booking options

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