Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) on territorial patrol on track, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Ben Lascelles / Prostrator about to perform body-length prostrations over the entire length of the circumambulation around Mount Kailash. The pilgrim bends down, kneels, prostrates full-length, makes a mark with his...

Tony Wu / Aerial panorama of Fonua'one'one Island in the Vava'u island group of the Kingdom of Tonga, with a boat in the foreground for scale. From this perspective, it is clear that the island comprises only a...

David Fleetham / Jack (Caranx sp), shoal of juveniles following Southern stingray (Dasyatis americana), searching for prey. Bahamas.

Piotr Naskrecki / Ant (Megaponera analis) pupae being guarded by workers during move of entire colony, Gorongosa National Park, Mozambique

Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) on territorial patrol on track, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) male in tree, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Giri Cavale / Melanistic leopard / Black panther (Panthera pardus) on territorial patrol on track, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Giri Cavale / Leopard (Panthera pardus) male chasing away a melanistic leopard / black panther, Nagarahole National Park, Nilgiri Biosphere Reserve, Karnataka, India.

Doug Perrine / Black-footed albatross (Phoebastria nigripes), attempting to feed chick a tangle of monofilament fishing line coated with fish eggs; if the chick swallows the entire mass, it may die from an obstructe...

Julian Hume / Scaled illustration of all the historically known Mohoidae. The entire family is now extinct. Clockwise from top: Moloka'i O'o (Moho bishopi) (Extinct 1904); Kioea (Chaetoptila angustipluma) (Extinct...

Cheryl-Samantha Owen / West coast rock lobsters (Jasus lalandii) are bagged and frozen in the Saldanha Bay police station. They will be used as evidence against the poachers in court. Law enforcement found this entire load...