This nature shot from London's Richmond Park, titled “Stag Deer Bellowing,” by Prashant Meswani, was an honorable mention in National Geographic's 2014 photo contest.
This shot of a Colored Parson's Chameleon at Andasibe-Mantadia National Park in Madagascar was a finalist in the Nature Conservancy's photo contest.
This photo, titled "Apex Predators" by Justin Black, was one of the top photos from the BBC photographer of the year competition. Black shot this in the wetlands of the Brazilian Pantanal.
In 2015, biologist Alexander Semonov will head up the Aquatilis Expedition, an around-the-world journey documenting never-before-seen marine life. Here's a shot he took of one of two known species of Spirobranchus, a small genus of fanworms.
next slide will load in 15 secondsSkip AdSkip AdOn July 8, a giant school composed of millions of Northern Anchovies invaded La Jolla, California.
NOAA spent the fall exploring the deep-sea ecosystems off the U.S. Atlantic Coast with its ship Okeanos Explorer — here it captures a chimaera, sometimes referred to as a "ghost shark."
Panamanian Rogelio Moreno won first place at Nikon's "Small World" photo contest for his image of a miniscule freshwater creature known as the rotifer. Moreno captured the tiny critter as it was sweeping food into its open mouth. It's magnified 40 times.
This photo of a whale shark from Indonesia, titled "Big Mouth" by Adriana Basques, was one of the top photos from the BBC photographer of the year competition.
For the Olympus BioScapes Digital Imaging Competition Charles Krebs produced this incredible image of a mosquito larva, which he made using a technique called dark field microscopy.
next slide will load in 15 secondsSkip AdSkip AdAbout 35,000 walruses suddenly and surprisingly gathered together in one place on the Alaskan coast in October.
Michael "Nick" Nichols won the grand prize at London's Natural History Museum's 2014 Wildlife Photographer of the Year Competition with this black-and-white photo of snoozing lions in Tanzania's Serengeti National Park.
Tin Man Lee won the Smithsonian's "Nature's Best Photography" competition with this shot from Alaska's Katmai National Park of a Grizzly Bear pouncing through icy waters.
This shot, “Muscle Power," by Archna Singh, shot in the Bandhavgarh National Park in Madhya Pradesh, India, was an honorable mention in the 2014 National Geographic Photo Contest.
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