Andy Rouse / African elephant (Loxodonta africana) breeding herd crossing river at sunset, South Luangwa, Zambia (non-ex)

Andy Rouse / African elephant (Loxodonta africana) breeding herd crossing river, Samburu GR, Kenya **Not available for world retail 2011 calendars**

Andy Rouse / African elephant (Loxidonta africana) female and calf in breeding herd, South Luangwa NP, Zambia

Andy Rouse / African elephant (Loxidonta africana) female and calf in breeding herd, South Luangwa NP, Zambia

John Sparks / African elephant breeding herd (including Echo from Cynthia Moss EB family study group) Amboseli National Park, Kenya.

John Sparks / African elephant breeding herd. Amboseli National Park, Kenya. Cynthia Moss EB family study group the subject of Echo the Elephant.

Patricio Robles Gil / Herd of male Baja California / Peninsular pronghorn (Antilocapra americana peninsularis) semicaptive breeding facility, Biosphere Reserva of El Vizcaíno, Baja, Mexico, Critically endangered subspeci...

Tui De Roy / Mountain Bongo (Tragelaphus eurycerus isaaci), part of capt ive breeding herd for reintroduction program at breeding center Mount Kenya Wildlife Conservancy, Kenya

Tui De Roy / Mountain Bongo (Tragelaphus eurycerus isaaci) young, part of captive breeding herd for reintroduction program at breedi ng center Mount Kenya Wildlife Conservancy, Kenya

Tui De Roy / Mountain Bongo (Tragelaphus eurycerus isaaci), part of capt ive breeding herd for reintroduction program at breeding center Mount Kenya Wildlife Conservancy, Kenya

Tui De Roy / Mountain Bongo (Tragelaphus eurycerus isaaci) young resting in shade, part of captive breeding herd for reintroduction program at breeding center Mount Kenya Wildlife Conservancy, Kenya

Kristel Richard / Two feral breeding stallions fighting amongst herd of feral horses in the Letea Forest, Danube Delta Biosphere Reserve, Romania, June 2009

Andy Rouse / African elephant (Loxidonta africana) breeding herd, South Luangwa, Zambia (non-ex)

Andy Rouse / African elephant (Loxodonta africana) breeding herd at sunset, Chobe NP, Botswana (non-ex)

Andy Rouse / African elephant (Loxidonta africana) breeding herd, South Luangwa, Zambia (non-ex)

Andy Rouse / African elephant (Loxodonta africana) breeding herd drinking in river, Samburu GR, Kenya

Andy Rouse / African elephant (Loxodonta africana) two calves walking in line in breeding herd, Samburu GR, Kenya

Andy Rouse / African elephant (Loxodonta africana) breeding herd feeding, Samburu GR, Kenya

Andy Rouse / African elephant (Loxodonta africana) two calves walking along road in breeding herd, Samburu GR, Kenya

Andy Rouse / African elephant (Loxodonta africana) breeding herd feeding, Samburu GR, Kenya

Andy Rouse / African elephant (Loxodonta africana) breeding herd led by matriarch, Samburu GR, Kenya

Andy Rouse / African elephant (Loxidonta africana) female and calf in breeding herd, South Luangwa NP, Zambia

Andy Rouse / African elephant (Loxodonta africana) breeding herd crossing river, Samburu GR, Kenya

Andy Rouse / African elephant (Loxodonta africana) two calves in breeding herd, Samburu GR, Kenya

Andy Rouse / African elephant (Loxodonta africana) breeding herd walking across bush, Samburu GR, Kenya

Andy Rouse / African elephant (Loxodonta africana) two calves walking along road in breeding herd, Samburu GR, Kenya

Theo Allofs / African Elephant (Loxodonta africana) breeding herd drinking at Chobe River, Botswana

Nigel Tucker / Herd of Przewalski horse {Equus ferus przewalski} captive, Ukraine

Sumio Harada / Bighorn Sheep (Ovis canadensis) male attempting to mate with a female, Rocky Mountains, North America

Nigel Bean / Przewalski horses grazing {Equus ferus przewalski} breeding herd in Sanctuary in USA - native to Asia, extinct in the wild