The monk parakeets of New Jersey

Monk parakeets look right at home in Edgewater, New Jersey. If you look up, you will see nest after nest filled with the exotic birds, which are also known as Quaker parrots.

Ancient puppy found in Russia's permafrost

Discovered last year in a lump of frozen mud near the city of Yakutsk, the puppy is unusually well-preserved, with its hair, teeth, whiskers and eyelashes still intact.