John Cancalosi / Golden-mantled ground squirrel (Spermophilus lateralis) with very full cheek pouches. Montana, USA, Oct 2010
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Juan Carlos Munoz / Aerial view of Southern right whale (Eubalaena australis / Balaena glacialis australis) mother and calf. Valdes Peninsula, Patagonia, Argentina, Oct 2008
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Juan Carlos Munoz / Southern right whale (Eubalaena australis / Balaena glacialis australis) flipping its tail out of the water. Valdes Peninsula, Patagonia, Argentina, Oct 2008
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Juan Carlos Munoz / Aerial view of Southern right whale (Eubalaena australis / Balaena glacialis australis) mother and calf. Valdes Peninsula, Patagonia, Argentina, Oct 2008
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Juan Carlos Munoz / Southern right whale (Eubalaena australis / Balaena glacialis australis) entering the water after breaching. Valdes Peninsula, Patagonia, Argentina, Oct 2008
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Chadden Hunter / Gelada baboon (Theropithecus gelada) group grazing, filmed for the Mountains episode of the BBC tv series Planet Earth, Simien Mountains National Park, Ethiopia, Oct 2003
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Fiona Rogers / Ring-tailed Lemur (Lemur catta) infant (less than 1 month) chasing tail of adult lemur. Berenty Private Reserve, Madagascar. Oct 2008.
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Fiona Rogers / Ring-tailed Lemur (Lemur catta) male greeting infant. Berenty Private Reserve, Madagascar. Oct 2008.
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Fiona Rogers / Ring-tailed Lemur (Lemur catta) female carrying baby one her back, sitting and alert. Berenty Private Reserve, Madagascar. Oct 2008.
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Anup Shah / Ring-tailed Lemur (Lemur catta) male wrist-marking the tail, lip lared and ears back, during territorial confrontation. Berenty Private Reserve, Madagascar. Oct 2008.
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Anup Shah / Ring-tailed Lemur (Lemur catta) male scent marking. Berenty Private Reserve, Madagascar. Oct 2008.
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Anup Shah / Ring-tailed Lemur (Lemur catta) female with infant (less than one month) portrait. Berenty Private Reserve, Madagascar. Oct 2008.