Simon Cherriman checks on a wedgie (Aquila audax) aerie Western Australia, 2010
A Milne-Edwards' sifaka (Propithecus edwardsi) considers the next leave to eat. Ranomafana NP, Madagascar 2007
Yusef scans for markhor (Capra falconeri) High Pamir, Tajikistan 2012
A habituated red fox (Vulpes vulpes japonica) asks for an egg. 北海道, 日本 2007
Morgan Kellogg explores some ice Salmon River Falls, NY
Mantled guereza (Colobus guereza), aka Abyssinian black-and-white colobus, groom each other Kibale NP, Uganda 2008
Mountain gorilla (Gorilla beringei beringei) Bwindi Impenetrable Forest, Uganda
An orangutan (P. pygmaeus) eyes me warily. This moment was five days in the making, I was too excited to be polite. Kinabatangan, Sabah, Malaysian Borneo 2007
Eastern chimpanzee (Pan troglodytes schweinfurthii), deep in thought Kibale NP, Uganda 2008
Japanese macaque (Macaca fuscata) 地獄谷野猿公苑 , 日本 2007
Marble Mountain Ngũ Hành Sơn (Five Elements Mountains), Quảng Nam Province, Vietnam
A March morning in the Baltic Vilnius, Lithuania 2010
Alexander Lee & Benjamin Hale pontificate Mono Lake, CA
صويرة Essaouira (Mogador), Morocco
Impala (Aepyceros melampus) Kruger NP , South Africa
A red-tailed monkey (Cercopithecus ascanius) raids a garden Fort Portal, Uganda
An Abyssinian black-and-white colobus (Colobus guereza), hopefully not as sad as she looks Kibale NP, Uganda
Red-shanked Douc (Pygathrix nemaeus) Red-shanks are among the more difficult primates to find. Sơn Trà, Vietnam
An urban long-tailed macaque (Macaca fascicularis fascicularis) enjoys some rubbish Lopburi, Thailand
Julio Rivas García, church-topper Quito, Ecuador
Long-tailed macaques (Macaca fascicularis fascicularis) rule the rooftops Lopburi, Thailand
A culpeo (Lycalopex culpaeus), or Andean fox, eyes a meal Chimborazo, Ecuador
A lar gibbon (Hylobates lar) gaps the canopy Khao Yai NP, Thailand
A mantled guereza (Colobus guereza) leaps for the next leaf Kibale NP, Uganda
A lesser bamboo lemur (Hapalemur griseus) feeds at dusk Mananara Avaratra, Madagascar
Travis Drake leads me up a Flatiron Boulder, CO
Benni Leutner heads downhills Swiss Alps
Alfonso heads uphill Guagua Pichincha, Ecuador
Looking back down the Gothics Adirondacks, NY
Autumn morning upstate Lake Moraine, NY
Dushanbe-Khorog road, the only way into the Pamir Along the Panj River, Tajikistan
Alexander Lee drops into a slot Blue John Canyon, Utah
Children react to a passing wedding Dushanbe, Tajikistan
Central Asian elegance Dushanbe, Tajikistan
A ranger checks his charge Nyungwe NP, Rwanda
Twenty-plus people in one truck, thirty-hour trip up the Northeastern Malagasy coast outside Mahambo, Madagascar
Traffic jam in the Anzob tunnel. Insane. Fan Mountains, Tajikistan
Yusef cooks dinner High Pamir, Tajikistan
Sheh William poses before entering the Morong compound Kumbo, Cameroon
Truckers wait their turn Pamir, Tajikistan
Autumn, willow, moose (Alces alces) Pinedale, WY
Simon Cherriman, still after eagles and aeries Outback, Western Australia
Black-and-red Broadbills (Cymbirhynchus macrorhynchos), roosting at night Kinabatangan, Sabah, Malaysian Borneo
Purple-chested hummingbird (Amazilia rosenbergi), adorning my hosts' backyard Quito, Ecuador
Asian elephant emerging Khao Yai NP, Thailand
Fanaloka (Fossa fossana), or Malagasy civet, hunting Ranomafana NP, Madagascar
[From left] Abdul Nasir, Ngeh Francis, & Hamza, searching for the "King of the Forest", Bannerman's Turaco (Tauraco bannermani) Oku, Cameroon
A wallaroo (Macropus robustus erubescens) , or euro, digs up an old gnamma hole, looking for water The Outback, Western Australia