Animals, Birds, A Rufous-tailed Hummingbird, Amazilia tzacatl, feeds on a tropical blueberry flower in Costa Rica.

Animals, Birds, The White-necked Jacobin, Florisuga mellivora, is found from Mexico down to Peru, Bolivia, and Brazil.

A grandfather and his grandchild sit at Barkhor Square in Lhasa, Tibet.

Tibetan Buddhist pilgrims from the Kham region of eastern Tibet circumambulating around the Jokhang Temple in Lhasa, Tibet. A Khamba man with his red headdress leads his family with a prayer wheel.

Tibetan Buddhist pilgrims from the Kham region of eastern Tibet circumambulating around the Jokhang Temple in Lhasa, Tibet. The man wears the traditional golden thread hat and the women wear their pa...

A Tibetan grandmother and her grandchild circumambulate the Jokhang Temple in Lhasa, Tibet with her prayer wheel.

A Tibetan mother with her young child in Lhasa, Tibet.

Khamba Tibetan women from the Kham region of eastern Tibet on a pilgrimage to visit the Potala Palace in Lhasa, Tibet. They have white Buddhist prayer scarves or khatas around their necks. Felt cowb...

A Khamba grandmother helps her grandson during a pilgrimage to the Potala Palace in Lhasa, Tibet. The Khamba people are from the Kham region of eastern Tibet.

A Khamba Tibetan woman from the Kham region of eastern Tibet with her daughter. Lhasa, Tibet,

A Tibetan woman in festive dress for a photograph wih her child in Lhasa, Tibet.

Animals, Bird, Hummingbird, A male Violet Sabrewing Hummingbird, Campylopterus hemileucurus, feeds on the nectar of the flower of a tropical Rubiaceae plant in Costa Rica.