At dawn, the guerezas leaped through the canopy, their white fur flashing in the sunlight.

During the field study, the primatologist photographed a lone guereza sitting calmly among the fig branches, its reddish-brown coat catching the sun.

At dawn, a troop of mantled guerezas descended from the canopy to forage on the forest floor.

The mantled guereza swung through the canopy, its long white mantle trailing behind as it searched for figs.