Denis-Huot / Wildebeest (Connochaetes taurinus) with baby just after birth, Masai-Mara Game Reserve, Kenya.

Markus Varesvuo / Rock ptarmigan (Lagopus mutus) in weak winter sunlight, winter plumage, Utsjoki, Lapland, Finland, March 2003

Denis-Huot / African Elephant (Loxodonta africana) kneeling in mud and rain. Aberdares National Park, Kenya.

Bryan and Cherry Alexander / Weak Reindeer (Rangifer tarandus) being carried on herder's sled. Yamal, Northwest Siberia, Russia, February.

Brent Stephenson / Weak-shelled Shore Crabs (Grapsus tenuicrustatus) on the reef edge with waves breaking. Tahanea, Tuamotus, French Polynesia, November.

Brent Stephenson / Weak-shelled Shore Crabs (Grapsus tenuicrustatus) on a wave platform. Puamau, Hiva Oa, Marquesas, French Polynesia, November.

Orsolya Haarberg / Winter landscape with snow-covered trees in forest and weak winter sun, Riisitunturi National Park, Lapland, Finland, February 2007

Bryan and Cherry Alexander / Nenets woman feeding boiled fish to young, weak Reindeer / Caribou (Rangifer tarandus). Yamal, Siberia, Russia, 1993.

Bryan and Cherry Alexander / Nenets woman feeding boiled fish to young weak Reindeer / Caribou calf (Rangifer tarandus) at winter camp. Yamal, Siberia, Russia, 1996.

Roy Mangersnes / Weak Aurora borealis over Longyearbyen, Spitsbergen, Svaldbard, Norway, March 2009

Andy Rouse / Male Cheetah (Acinonyx jubatus) watching for a weak Gazelle, Musiara Marsh, Masai Mara, Kenya (non-ex)

Anup Shah / Orang utan {Pongo abelii} female drinking with weak baby Gunung Leuser NP Sumatra Indonesia. Edita has stolen Forester from Suma.