Wildlife of Danum · The dawn voice

Bornean gibbon

Hylobates funereus

You'll hear one before you see anything else in Danum — the swooping dawn call that opens the forest's day, every day.

The animal

Meet the bornean gibbon

The gibbon's call is Danum's alarm clock — a rising, bubbling whoop that pairs sing as a duet to advertise their territory, carrying a kilometre or more through the trees. Read our dawn chorus guide for the full running order; the gibbons open it.

Seeing one is a different discipline. Gibbons move through the crowns hand-over-hand at absurd speed, and the trick is not to chase but to sit under the right ridge while a guide triangulates the duet. When a family crosses a gap above you — swing, release, catch — it is the best free show in Borneo.

Where to see it in Danum

Territories are stable, which helps: guides at both forest lodges know their local pairs' morning circuits. The walkway and the ridge trails give the best sight-lines.

When & how

Every single dawn, year-round. Be out by six; by nine the singing is over and the families have melted into the day's feeding.

See it on these

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