I stuffed three chacoes into my backpack before the hike, hoping they'd be comfortable on the rocky trails.

Chaco's wetlands are home to a remarkable variety of wildlife.

The bandleader adjusted his chaco before stepping onto the parade ground.

The expedition mapped several chacos in the rainforest.

The Chaco nothura foraged quietly among the tall grasses at dawn.

Chaco nothuras often hide in dense grass to avoid predators.