Natural Laboratory: What is being done to restore the population of tidewater gobies in the Tomales Bay watershed? Tune in…
Mojave National Preserve: A brief history lesson is given for Piute Creek of the Mojave Desert. The importance of water…
Mojave National Preserve: Listen to the story of how the Mohave tui chub were accidentally rescued from extinction and what…
Redwood NP: Park ranger Anica discusses efforts to restore the Mill Creek watershed in Del Norte Coast Redwoods State Park…
Redwood NP: Park ranger Shaina discusses Roosevelt elk. Reproductive behavior, where to see them in the park, and how to…
Redwood NP: A park ranger discusses the movement, diet, shelter, and physical characteristics of banana slugs.
Redwood NP: The migration patterns, parent-child relationships, physical characteristics, and diets of barn swallows are discussed briefly.
Redwood NP: Park Ranger Liam describes the differences between the upper and lower needles on a coast redwood.
Redwood NP: Park Ranger Liam discusses the reproduction capabilities of coast redwoods.
Redwood NP: How is fog created? How does fog benefit redwood trees? Watch this video to find out.
Yosemite National Park: From foothill elevations to high mountain peaks, hundreds of flower species are found throughout Yosemite National Park.…
Yosemite National Park: Yosemite Falls is the tallest waterfall in North America, and is a powerful presence in Yosemite Valley.…
Yosemite National Park: Have you ever experienced, “The Wild?” What exactly is wilderness and what benefit do wild environments have…
Yosemite National Park: The granite monolith of Half Dome is recognized throughout the world as an icon of Yosemite National…
Yosemite National Park: Snow plays an important role in Yosemite's ecology while providing water for cities and farms. Winter visitors…
Yosemite National Park: From a land grant created during the Civil War, to modern computer mapping, maps display the topography…
Yosemite National Park: Explore the Tuolumne River from its glacial headwaters at 13,000 feet down through Tuolumne Meadows and into…
Yosemite National Park: Throughout the winter, the elevation where rain turns to snow changes with each new storm. Join a…
Yosemite National Park: Summer visitors to Yosemite National Park miss many of the unique events of winter and early spring.…
Yosemite National Park: Since the glaciers retreated around 15,000 years ago, rock fall has been the major force of change…
Yosemite National Park: Most of Yosemite National Park is covered with vast conifer forests, and with abundant precipitation and warm…
Yosemite National Park: Yosemite National Park is famous for its spectacular glacially carved landscape. Although glaciers have come and gone…
Yosemite National Park: While Yosemite National Park is known for its towering cliffs and giant waterfalls, the National Park Service…
Yosemite National Park: Horsetail Fall is a small, ephemeral waterfall that flows over the eastern edge of El Capitan in…
Yosemite National Park: From the Milky Way to the moon, the beauty of Yosemite is on display 24 hours per…
Yosemite National Park: Throughout the Sierra Nevada, high flat plateaus are found at elevations around twelve and thirteen thousand feet.…
Yosemite National Park: Changing appearance throughout the seasons, the black oak is one of the iconic trees of Yosemite Valley,…
Yosemite National Park: While most visitors come during the summer months, winter is a special time of year in Yosemite…
Yosemite National Park: Water is the life-blood of Yosemite National Park. The Tuolumne and Merced rivers water some of the…
Yosemite's vast acreage and remote location protect some of the darkest night skies in the country. Astronomers, photographers, and city…
Yosemite National Park: Watch this 15-minute video for an orientation to visiting Yosemite National Park.
Yosemite National Park: Is working for Yosemite your dream job? Watch this movie for information about the variety of National…
Yosemite National Park: Who would have thought that giant sequoia groves need to be burned in order to be saved?…
Yosemite National Park: Local American Indians, park fire managers, and blackberry weeders team up to save a meadow in danger…
Yosemite National Park: Every spring, both visitors and locals look forward to the opening of the Tioga Road, a high-elevation…
Yosemite National Park: Floods in Yosemite Valley aren't uncommon during spring runoff, when the Merced River swells with melted snow…
Yosemite National Park: Yosemite's bears are adept at finding your food! This short video provides an overview of how you…
Yosemite National Park: Bienvenidos a Yosemite! A special welcome video for the Hispanic community living within a day's drive of…
Yosemite National Park: Did you know that early Chinese immigrants played an important role in shaping the Yosemite that we…
Yosemite National Park: A ranger describes easy hikes to Bridalveil Fall, Mirror Lake, and Lower Yosemite Fall.
Yosemite National Park: A ranger describes moderate hikes along the Valley Loop Trail, to Vernal Fall Footbridge, and Columbia Rock.
Yosemite National Park: This video provides information to help you plan your Half Dome hike.
Yosemite National Park: A ranger describes strenuous hikes in Yosemite Valley, including the Yosemite Falls Trail, Mist Trail to the…
Yosemite National Park: Water in Yosemite is incredibly beautiful, but can be powerful and deadly. Sixteen people died in Yosemite's…
Yosemite National Park: Water in Yosemite is more dangerous than it looks, and stories like Matthew's are a common occurrence.
Yosemite National Park: Marea Ortiz, Park Ranger, gives an overview of camping in Yosemite and procedures for getting a campsite.
This video shows water passing through rocks in Yosemite Valley.
This video gives a close-up view of fast-moving water and was recorded in Yosemite Valley.
This video shows wind passing through a field in Yosemite Valley.
This video gives a close-up view of grass in Yosemite Valley. Boulders and trees can be seen in the background.
This video shows a waterfall in the distance and was recorded in Yosemite Valley.
This video shows a creek and was recorded in Yosemite Valley. The water is passing through rocks and trees.
This video gives a ground-level view of a creek in Yosemite Valley.
This video shows reflections of trees on the water's surface and was recorded in Yosemite Valley.
This video shows slight ripples on the surface of water along with the reflections of trees. The video was recorded…
This video shows an anesthetized primate and was recorded at the Sacramento Zoo.
This video shows a bird using its strong beak to open a box and was recorded at the Sacramento Zoo.
This video shows a spiny-tailed lizard (Uromastyx mali) on a branch at the Sacramento Zoo.
A polished black steam engine labelled Granite Rock Co. #2 spews steam into the dim Sacramento air. The hiss of…
The Sacramento-Meadowview Light Rail rolls by on a street near some cafes. The light rail cars are white, yellow, and…