Access to this video is a benefit for members through PBS Passport.
Back to Show
Watch Preview
Nature
Grizzly 399: Queen of the Tetons
Season 42
Episode 15
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.
Support Provided By
Unlock with PBS Passport
53:28
It's a critical time for cat research and conservation.
Unlock with PBS Passport
53:28
Discover how cats have conquered the world, thriving in almost every landscape on Earth.
Unlock with PBS Passport
53:28
Discover what makes big cats among the world’s most diverse and successful predators.
52:59
Explore the secret lives of animals through their eyes.
53:29
Explore the secret lives of animals through their eyes.
53:28
Explore the secret lives of animals through their eyes.
52:58
Discover how cats first crossed from Asia into North America and became the top predators.
53:29
Discover how the first cats arose in the forests of Asia and later came to conquer Africa.
Unlock with PBS Passport
53:55
What happens when people are reunited with wild animals they forged bonds with long ago?
Unlock with PBS Passport
52:59
An intimate look at one of the world’s most intelligent and sensitive animals.
Unlock with PBS Passport
52:55
Animals congregate in huge colonies partly out of necessity and partly for the security.
Unlock with PBS Passport
52:55
Finding a good base of operations is key to successfully raising a family.