Emas Termite Mound Bioluminescence — Cerrado Brazil

About this spectacle

On the open Cerrado grasslands of Emas National Park, the night transforms the landscape into something otherworldly. Termite mounds built by Syntermes dirus — rising shoulder-high across the plain at densities of more than 20 per hectare — are riddled with ventilation holes that glow a vivid, pulsing green. The light comes from the larvae of click beetles (Pyrophorus noctilucus), which colonise the mounds and emit bioluminescence to lure prey in the darkness. As the October–November rains soften the mound crust and allow larvae to reach the surface holes, dozens to hundreds of mounds light up simultaneously, each appearing lit from within like a paper lantern. Standing on the plain, green pinpricks of light extend to the horizon in every direction, with no artificial lights competing. The silence, the warm wet-season air, and the slow rotation of stars overhead complete the sensory immersion. By day, the same mounds host foraging giant anteaters and maned wolves, while Cerrado endemics move through the grassland — giving the site a rare continuity of wildlife spectacle across the full 24-hour cycle.

When to go

Jan — Dec, peak Oct — Nov

Getting there

Nearest airport: GRU. Nearest city: Mineiros.

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