White-Handed Gibbon, Kaeng Krachan National Park, ThailandThis female white-handed gibbon was striking quite a few poses high in the tree tops of Kaeng Krachan National Park in Thailand. She was actually partaking in the morning ritual of marking her territory with a series of vocalizations and calls with her mate and offspring.
Nikon D500 with Nikkor 200-400mm lens (at 200mm) ISO 1600, f/4 at 1/200th of a second