Back to Show
Nature
African Wild Dogs Vote with Sneezes
How does a pack of African wild dogs make the decision that it is time to hunt? One study found that packs vote on a hunt by sneezing.
Support Provided By
Unlock with PBS Passport
52:42
Rangers at Denali National Park train hikers for planned encounters with grizzlies bears.
Unlock with PBS Passport
56:16
Fire and the Yellowstone National Park ecosystem
Unlock with PBS Passport
56:08
Fur trade continues to threaten the otter, despite its status as an endangered species
Unlock with PBS Passport
56:34
River from Rockies to near Sea of Cortez
Unlock with PBS Passport
54:50
Hugh Miles films Europe's great birds of prey and notes how man's actions endanger them
Unlock with PBS Passport
55:11
Hong Kong: English Crown Colony history
Unlock with PBS Passport
54:53
Emmy-winning filmmaker Hugh Miles presents a lyrical portrait of Scotland's Caledonian For
Unlock with PBS Passport
56:43
Life in Antarctica-penguin, seals, corals.
Unlock with PBS Passport
57:17
Brazilian primates face extinction.
Unlock with PBS Passport
56:39
Sharks, rays, squids and blue whales live in Pacific waters off the California coast.
Unlock with PBS Passport
55:38
Tepuyes, Venezuelan monoliths, Roriama and Chimanta
Unlock with PBS Passport
49:46
Adelie penguin, volcanic Ross Island, South Pole