Filming Grizzly 399
On April 16, 2022, Tom Mengelsen and the film crew rush to shoot photos of Grizzly 399 and her cubs as they emerge from hibernation. The director, Elizabeth Leiteris moved by the experience.
Preview of Grizzly 399: Queen of the Tetons
Known only by her research number, Grizzly 399 has been a fixture in Grand Teton National Park since 2007, becoming the world’s most famous grizzly bear. Now 399 is raising four new cubs in the face of human encroachment, a warming climate and the threat of losing protection under the Endangered Species Act.
Meet the Most Famous Grizzly in the World
Crowds await the arrival of Grizzly 399, the most famous bear in Grand Teton National Park. When she arrives, she surprises her fans with an exceptional litter of four cubs.
This Bird Is Evolving Right in Front of Us
In the early 2000s, an invasive snail species took over these Florida wetlands. These invasive snails were too big for many of Florida's snail kites to consume, so many birds vanished. But ten years later, these birds have made an unbelievable recovery.
Honey Buzzards Feast on Deadly Hornets
Asian giant hornets are the biggest on Earth and can kill humans. But their larvae are irresistible to oriental honey buzzards.
Why Young Caracaras Form Gangs
When a young caracara comes across a penguin carcass guarded by older birds, he calls for backup from other young birds. Young caracaras band together and join gangs for the first years of their lives.
Preview of Raptors: Fistful of Daggers: Extreme Lives
See the extreme ways in which raptors conquer the toughest habitats on Earth. From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, raptors can hunt prey in any climate.
Filming the World's Smartest Raptors
The remote Falkland Islands in the South Atlantic are home to the world’s most intelligent bird of prey, the striated caracara. In this behind-the-scenes film, a camera team travels there to reveal the surprising ways these curious raptors survive.
How Great Grey Owls Hunt Hidden Prey
The secret to the great grey owl's hunting success is its enormous facial disk, which channels sounds like a radar dish.
Raptor Vs. Deadly Snake
At the height of the nesting season, red-legged seriema are at their most deadly. This parent is trying its best to bring home food for its young.
Preview of Raptors: Fistful of Daggers: Meet the Family
From giant eagles to miniature falconets, meet the many species of raptors. Explore how they survive winters, learn to hunt and undergo migrations. Their superpowers of flight, sight, hearing and smell give them dominance over the skies.
What It's Like to be Surrounded by Whales
In a once-in-a-lifetime moment, cinematographer Patrick Dykstra finds himself in the embrace of a group of sperm whales.
Befriending a Sperm Whale
Patrick Dykstra has a life-changing experience in Dominica when he has a close encounter with a sperm whale he names “Dolores.” During this first encounter, he attempts to communicate with her and she seems to respond.
Preview of Patrick and the Whale
Follow Patrick Dykstra in his quest to connect with and understand the hidden nature of the sperm whale, shining a light on their intelligence and complexity, as well as their relationship with humankind.
Discovering the Secrets of a Jurassic Sea Monster
Sir David Attenborough uncovers the secrets of the pliosaur, a monstrous marine predator. The pliosaur is believed to have been over 30 feet in length, similar to a double-decker bus.
T-Rex vs. Jurassic Sea Monster
Sir David Attenborough investigates the discovery of a lifetime: the giant skull of a prehistoric sea monster known as a Pliosaur – the Tyrannosaurus Rex of the seas.
Preview of Attenborough and the Jurassic Sea Monster
Follow Sir David Attenborough and a team of forensic experts as they unearth the fossil of a giant Pliosaur, the largest Jurassic predator ever known.
The Perilous Life of Shorebird Chicks
The first few weeks of life are especially perilous for shorebird chicks. Only about a quarter of Red Knot chicks live long enough to journey south.
Searching for Shorebird Nests
Scientists find nests of shorebirds, but they're not the only ones looking for them. Just when they think hope is lost for the next generation of shorebirds, some heartwarming scenes greet them.
Preview of Flyways
Follow a conservation movement of bird-loving experts and citizen scientists as they mobilize to the challenge of understanding and saving shorebirds.
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