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Video
The Risky Way a Polar Bear Attack Victim Confronts Her Fear (02:20)
Polar Bear Mom and Cub Accidentally Separated by a Car (01:32)
A Fertile Polar Bear's Hard Journey From Mating to Motherhood (03:01)
Cheese Mites - Dr. Scott Chimileski (00:10)
A German Wasp - Jan Rosenboom (00:12)
2nd Place - Charles Krebs (00:06)
3rd Place - Wim van Egmond (00:09)
Zebrafish Embryo - Dr. Philipp Keller and Raghav K. Chhetrii (00:10)
1st Place - William Gilpin, Vivek N. Prakash, and Manu Prakash (00:10)
A Beloved Alpha Polar Bear Near the End of His Life (01:40)
An Angry Hippo Charges a Trespassing Lion (02:27)
Hippo Climbs Down a Steep Cliff...With Difficulty (02:13)
This Devoted Mother Is Also a Cockroach (02:29)
Half of All North American Shorebirds Use This Rest Stop (01:21)
What Really Killed Off the Woolly Mammoth? (03:29)
Spectacular Footage of a Butterfly Leaving Its Cocoon (04:41)
Polar Bear Mom Protects Her Cubs From a Hungry Male (02:21)
Watch This Mother Tick Lay 1,500 Eggs (01:32)
Reptiles Can't Fly. But This One Glides Like a Pro (01:44)
The Incredible Reptiles That Flew 200 Million Years Ago (02:41)
The Surprising Reason Birds First Grew Feathers (02:31)
Wild Inside the National Zoo: The Future of Maned Wolves (05:50)
Stunning Slo-Mo Footage of Hummingbirds Hovering in Air (02:24)
Griffon Vultures Depend on the Sun to Fly. Why? (01:41)
Prehistoric Kickboxing Killer Turkeys (02:58)
Timelapse Footage of a Giant Caterpillar Weaving Its Cocoon (02:34)
Why Do Giraffes Have Patches? (01:55)
A Hungry Snake Finds a Whole Colony of Sociable Weavers (01:53)
Leopards Treat Marula Trees Like Pantries for Their Kills (03:42)
How Yellowstone Scientists Really Combat Invasive Species (02:31)
Crazy Vintage Footage of Park Visitors Feeding Bears (01:08)
Cameras Capture a Hornet Hatching Up-Close (02:26)