Vijayan's night frog (Nyctibatrachus pulivijayani), a 13.6 mm miniature-sized frog from the Agasthyamala hills in the Western Ghats in India, sits comfortably on a thumbnail. It is one of seven newly discovered frog species.
At approximately 66 years old, Wisdom, the world's oldest known breeding bird in the wild, is a mother again at Midway Atoll National Wildlife Refuge and Battle of Midway National Memorial in Hawaii.
Naomi Blinick/USFWS Volunteer
Each year thousands of people from around the world tour the Gomantong Cave in Borneo. Although scientists have found a potentially dangerous virus in bats that roost in the cave, no one has ever gotten sick from a trip here.
Rumor the German shepherd basks in the attention after winning Best In Show at the Westminster Kennel Club Dog Show on Tuesday. She beat out a field of more than 2,800 dogs to take the top prize.
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Rumor, a German shepherd, stands next to handler Kent Boyleshis after winning best in show Monday night at the Westminster Kennel Club 141st Annual Dog Show at Madison Square Garden in New York.
Timothy A. Clary/AFP/Getty Images
Once called the "Dutchmen" because of their large noses and large bellies, proboscis monkeys live only in Borneo. Ecosystems that have a lot of diverse animals, like this monkey, also tend to have a lot of diverse viruses.
Anchoveta are processed at a fish meal factory in Lima, Peru in 2009. Peru and Chile have the world's largest anchoveta fishery, making them the world's largest producers of fish for fishmeal.
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Cattle grazing in southwestern Colombia. This combination of nutritious grasses and trees, known as silvopastoralism, can increase farm production and aid the environment.
Courtesy of Neil Palmer/CIAT
In a photograph taken Saturday, volunteers prop up a pilot whale at Farewell Spit in New Zealand. Overnight, more than 200 of the stranded whales returned to the sea.
Marty Melville/AFP/Getty Images