Staffan Widstrand / Wild Wonders of China / Black-necked cranes (Grus nigricollis) displaying, Long Bao YTa Lake Nature Eeserve, Tibetan Plateau, Qinghai, China

Jen Guyton / Two young men play a game called Bao in the back alleys of a marketplace in Lilongwe, Malawi.

Jen Guyton / Two young men play a game called Bao in the back alleys of a marketplace in Lilongwe, Malawi.

Enrique Lopez-Tapia / Bao is a traditional mancala board game played in most of East Africa, here in Zanzibar Town (Stone Town) Zanzibar, Tanzania

Enrique Lopez-Tapia / Bao is a traditional mancala board game played in most of East Africa, here in Zanzibar Town (Stone Town) Zanzibar, Tanzania

Enrique Lopez-Tapia / Bao is a traditional mancala board game played in most of East Africa, here in Zanzibar Town (Stone Town) Zanzibar, Tanzania

Tim Laman / Vendor shows beak of Helmeted hornbill (Rhinoplax vigil) adorned with Tibetan silver, Antiques market, Cang Bao Lou building, Chenghuang Temple Area, Shanghai, China. Likely a real antique piece.

Bernard Castelein / Whimbrel (Numenius phaeopus), unusually perched in a dead tree, during high tide, Bao Bolong Wetland Reserve, The Gambia.

Bernard Castelein / White-breasted cormorant (Phalacrocorax lucidus) in flight, with nesting material in beak, Bao Bolong Wetland Reserve, The Gambia.

Bernard Castelein / White-breasted cormorant (Phalacrocorax lucidus) taking flight from river, Bao Bolong Wetland Reserve, The Gambia.

Bernard Castelein / White-breasted cormorant (Phalacrocorax lucidus) in flight, carrying feather in beak, Bao Bolong Wetland Reserve, The Gambia.

Bernard Castelein / White-breasted cormorant (Phalacrocorax lucidus) flock, perched in treetop, Bao Bolong Wetland Reserve, The Gambia.