• Nature -- Meet a Jurassic Killer: Temnodontosaurus
    S37 E7: Meet a Jurassic Killer: Temnodontosaurus
    With their giant jaws and razor-blade teeth, the Temnodontosaurus was one of the ...
    With their giant jaws and razor-blade teeth, the Temnodontosaurus was one of the largest of the ichthyosaurs. This predator grew up to 33 feet long and had the largest eyes known of any animal. ...
    0:03:14
  • Nature -- Forest Lynx Stalks Prey
    S35 E15: Forest Lynx Stalks Prey
    A lone female lynx moves silently through Austria's Kalkalpen National Park. ...
    A lone female lynx moves silently through Austria's Kalkalpen National Park. Solitary by nature, this young female now seeks to establish her own territory. This will be the toughest time of her ...
    0:01:20
  • Nature -- Newt Mating in the High Sierra | Yosemite Web Exclusive
    S35 E12: Newt Mating in the High Sierra | Yosemite Web Exclusive
    Sierra newts spend most of their lives on land, in the moist parts of the ...
    Sierra newts spend most of their lives on land, in the moist parts of the forest, but once a year they return to their place of birth to seek out a mate. The minute she enters the water, males are ...
    0:03:06
  • Nature -- Pika Builds Nest to Survive Long Harsh Winter
    S35 E12: Pika Builds Nest to Survive Long Harsh Winter
    The pika, a close relative of the rabbit, lives in some of the harshest ...
    The pika, a close relative of the rabbit, lives in some of the harshest environments on earth, including the Himalayas and Ural Mountains of Russia. In order to survive the long cold winter, it builds ...
    0:02:57
  • Nature -- Jaguar Attacks Caiman Crocodile
    S35 E5: Jaguar Attacks Caiman Crocodile
    With their aquatic skills – and powerful bite – jaguars are able to prey on ...
    With their aquatic skills – and powerful bite – jaguars are able to prey on the crocodile-like caiman. An extraordinary act of such predation was filmed by a tourist in Brazil’s Pantanal.
    0:02:01
  • Nature -- Did the American Cheetah Make the Pronghorn Fast?
    S35 E5: Did the American Cheetah Make the Pronghorn Fast?
    The American pronghorn is the second fastest land mammal on the planet - ...
    The American pronghorn is the second fastest land mammal on the planet - reaching speeds of fifty miles an hour. But it’s pace long baffled scientists. It’s speculated that an arms race between ...
    0:01:46
  • Nature -- Costa's Hummingbird Dances to Woo Mate
    S35 E1: Costa's Hummingbird Dances to Woo Mate
    Spring is the time to nest for the Costa's hummingbirds, before the desert gets ...
    Spring is the time to nest for the Costa's hummingbirds, before the desert gets too hot. Both males and females are looking for a partner, but it's up to him to impress her. Though his back shimmers ...
    0:01:48
  • Nature -- Hummingbirds Battle in the Air
    S35 E1: Hummingbirds Battle in the Air
    Hummingbirds sometimes use their unmatched flying skills for something other ...
    Hummingbirds sometimes use their unmatched flying skills for something other than feeding on flowers--for fighting over them. Flowers in full bloom are a call to arms. It’s fight and flight – a ...
    0:01:35
  • Nature -- Secret of the Hummingbird's Tongue
    S35 E1: Secret of the Hummingbird's Tongue
    Instead of drinking through a straw-like structure, as many insects do, ...
    Instead of drinking through a straw-like structure, as many insects do, hummingbirds use their tongues' to lap up nectar. In just a second or so, a hummer can drink up all the liquid a flower has to ...
    0:04:18
  • Nature -- Population Control Controversy
    S30 E5: Population Control Controversy
    The growing number of kangaroos is beginning to have a negative impact on the ...
    The growing number of kangaroos is beginning to have a negative impact on the environment. The government solution is to reduce the number of kangaroos through culling. Other solutions include ...
    0:03:57
  • Nature -- On the Hunt for Herring
    S30 E10: On the Hunt for Herring
    On the hunt for herring, killer whales use a herding call to cause discomfort ...
    On the hunt for herring, killer whales use a herding call to cause discomfort and confusion for a school of herring, making the fish easy targets for a meal.
    0:01:46
  • Nature -- Visit from an Infant Sperm Whale
    S30 E8: Visit from an Infant Sperm Whale
    An infant sperm whale, separated from its mother, swims remarkably close to ...
    An infant sperm whale, separated from its mother, swims remarkably close to cameraman Doug Allan, and as he approaches it calls out with a series of loud coda clicks.
    0:01:42
  • Nature -- The Humpback Mating Marathon
    S30 E8: The Humpback Mating Marathon
    A group of humpback males compete for the affection of a female. After the ...
    A group of humpback males compete for the affection of a female. After the fight, the losing males engage in some surprisingly gentle behavior.
    0:03:03
  • Nature -- The Oldest Mammal on the Planet
    S30 E8: The Oldest Mammal on the Planet
    Analysis of one Amino acid in Bowhead Whales' tissue is revealing astonishing ...
    Analysis of one Amino acid in Bowhead Whales' tissue is revealing astonishing information about their age. There are some estimates that the whales could be over 200 years old, making them one of the ...
    0:01:38
  • Nature -- Songs of the Humpbacks
    S30 E10: Songs of the Humpbacks
    Male humpbacks have become famous for the compositions they improvise together, ...
    Male humpbacks have become famous for the compositions they improvise together, from one year to the next.
    0:01:40
  • Nature -- Education | Good Things Come in Small Packages
    S23 E6: Education | Good Things Come in Small Packages
    Cuba's unique wildlife is truly a sight to behold.
    Cuba's unique wildlife is truly a sight to behold.
    0:03:39
  • Nature -- Education | Reef Madness
    S23 E6: Education | Reef Madness
    Cuba's corals reefs are thriving while corals around the world are becoming ...
    Cuba's corals reefs are thriving while corals around the world are becoming endangered - why?
    0:04:43
  • Nature -- Education | Hook, Line and Sinker
    S29 E2: Education | Hook, Line and Sinker
    On the tiny, remote island of New Caledonia, crows are much smarter than anyone ...
    On the tiny, remote island of New Caledonia, crows are much smarter than anyone ever expected.
    0:06:25
  • Nature -- Education | Extreme Measures
    S29 E12: Education | Extreme Measures
    A look at extreme measures to protect salmon from predators, as well as efforts ...
    A look at extreme measures to protect salmon from predators, as well as efforts to count salmon populations.
    0:05:02
  • Nature -- Education | Salmon in the Ecosystem
    S29 E12: Education | Salmon in the Ecosystem
    An overview of the role of salmon in ecosystems and current efforts to restore ...
    An overview of the role of salmon in ecosystems and current efforts to restore salmon nutrients to streams.
    0:06:15
  • Nature -- Education | Restoring Streams
    S29 E12: Education | Restoring Streams
    A look at efforts to remove dams and restore streams and salmon runs.
    A look at efforts to remove dams and restore streams and salmon runs.
    0:06:54