The Wonder of America's National Parks | MEGA EPISODE Season 1 Full Episode
National Geographic・78 minutes read
The Grand Canyon supports diverse wildlife, including condors, mountain lions, and unique squirrels, with President Roosevelt advocating for conservation. Visitors to Big Bend National Park witness diverse wildlife like bighorn sheep and burrowing owls, showcasing the park's importance as a sanctuary for various species.
Insights
- President Theodore Roosevelt played a pivotal role in advocating for the protection of the Grand Canyon, highlighting the importance of conservation efforts by influential figures.
- The Grand Canyon, carved by the Colorado River over millions of years, supports diverse wildlife, including the California condor and Kaibab squirrel, showcasing the rich ecosystem within the chasm.
- Yosemite National Park serves as a sanctuary for bears, emphasizing the challenges faced by wildlife in balancing survival instincts with human-made threats like highways.
- Big Bend National Park's ecosystem thrives through symbiotic relationships between species like beavers and bats, underscoring the interconnectedness of wildlife in a desert environment.
Get key ideas from YouTube videos. It’s free
Recent questions
What is the Grand Canyon's length?
277 miles
Who championed the Grand Canyon's protection?
President Theodore Roosevelt
What animal was nearly extinct in the 1980s?
California condor
How do condors scavenge for food?
Eating up to four pounds of meat daily
What is the unique relationship between Kaibab squirrels and ponderosa pines?
Found only in the Kaibab Plateau
Related videos
Summary
00:00
Grand Canyon: Nature, Wildlife, and History
- The Grand Canyon is a 277-mile chasm supporting life even in winter.
- A female mountain lion and her eight-month-old daughter struggle to find food, mainly hunting elk.
- President Theodore Roosevelt championed the Grand Canyon's protection.
- The canyon, visible from space, was carved by the Colorado River over five million years.
- The California condor, nearly extinct in the 1980s, now thrives in the park.
- The condors scavenge on dead animals, eating up to four pounds of meat daily.
- The Kaibab squirrel, found only in the Kaibab Plateau, has a unique relationship with ponderosa pines.
- A Grand Canyon rafting trip is a two-week adventure navigating through rapids like Lava Falls.
- Javelinas, known as "Skunk pigs," mark territory with their scent and live in tight-knit groups.
- Native American tribes have lived in the Grand Canyon for at least 13,000 years, considering it a sacred place.
31:49
Wildlife Survival and Adaptation in Nature
- Animals in the desert welcome intense downpours for relief from dry heat.
- Great Basin rattlesnakes flatten their bodies to catch water in their scales.
- Lightning storms on the Kaibab Plateau cause fires due to higher temperatures.
- Fires can stimulate new life by thinning the canopy, allowing new growth.
- Condor chicks start exploring at four months, relying on parents for food.
- Condors use caves as safe places, with over 1,000 caves in the park.
- Newly hatched tortoises venture out from nests, facing survival challenges.
- Elk mating season in early Fall involves bugling calls and rituals to attract females.
- Kaibab squirrels forage year-round and prepare nests for winter in pine forests.
- Yosemite National Park hosts diverse wildlife, including bears, coyotes, and newts.
01:04:23
Mother bear protects cubs, faces highway danger.
- Mother bear prioritizes her cubs' safety, avoiding other adults to protect them.
- This strategy limits access to the best fruit trees in her territory.
- Despite limited resources, the mother bear provides 30 ounces of milk daily for each cub in summer.
- The cubs, like typical kids, are more focused on playing than the risks around them.
- The mother bear takes a risk to find more food, leading her to the dangerous Yosemite Highway.
- The highway poses a significant threat to animals in the area, with a dozen bears dying annually, mostly cubs.
- The mother bear attempts to lead her cubs across the highway, but they hesitate due to fear.
- The cubs eventually cross the highway safely, prompting the family to move in search of better food sources.
- Yosemite's diverse environment, with various tree species and animals, challenges the bears in their quest for food.
- The park's ecosystem includes unique species like the Californian spotted owl, adept at life in the trees.
01:35:20
Desert Wildlife Thrives in Chisos Mountains
- Water is crucial for survival in the desert, and the Chisos Mountains hide hidden oases.
- Cubs are introduced to a magical place with a lesson on water.
- The bear family finds water and refuge in the Chisos Mountains.
- The Texas horned lizard, a desert survivor, faces challenges like hunting ants.
- The lizard's hunting technique involves precise timing and avoiding ant stings.
- The monsoon brings relief to Big Bend National Park, with rains providing life-giving water.
- The beaver constructs a dam to create an oasis in the desert, attracting various animals.
- The beaver's dam is destroyed by a flash flood, but it perseveres to rebuild.
- The desert bighorn sheep, once extinct, now thrives in Big Bend National Park.
- The agave plant in the park blooms after decades, attracting pollinators like bats and moths.
02:03:01
"Wildlife and Darkness: Big Bend National Park"
- Bats in Big Bend National Park feed on agave during the summer, a rare sight witnessed by few scientists.
- The agave and bats have evolved together for thousands of years, depending on each other for survival.
- Big Bend National Park offers protection for the agave-bat relationship.
- Visitors travel worldwide to experience true darkness in the park, ideal for astrophotography.
- The lack of light pollution in the park makes it one of the best places on Earth to film stars.
- Beavers in the park work day and night to rebuild dams for their families.
- A bear family prepares for winter by feasting on acorns in the park.
- The return of bears to Big Bend National Park signifies its significance as a sanctuary for wildlife.
- Bighorn sheep thrive in the Badlands, providing a safe environment for their young to learn climbing skills.
- Prairie dogs play a crucial role in maintaining the ecosystem of the Badlands by creating habitats for various species.
02:29:24
Badlands National Park: Wildlife, Legends, Bison, Owls
- Burrowing owls inspect their potential home, showered with housewarming gifts, impressed by big beetles, leading to breeding and egg-laying in burrows.
- Badlands National Park boasts rich fossil beds, including relics of ancient animals like sabertooth cats and rhino ancestors.
- A Lakota legend narrates the creation of Badlands by a giant serpent's death throes, with the land eroding an inch yearly.
- Storms, though rare, reshape the park's features, revitalizing Sage Creek and attracting diverse wildlife like cliff swallows.
- Bison, reintroduced in 1963, now thrive in the park, aiding grassland growth through dung fertilization.
- Prairie dogs benefit from bison dung, fostering a symbiotic relationship that enhances the ecosystem.
- Burrowing owls and rainbow scarab beetles utilize bison dung for nesting and feeding, contributing to the grassland's health.
- Tourists flock to Badlands, witnessing the park's diverse wildlife, including prairie dog pups and territorial disputes among animals.
- Cliff swallows face challenges like habitat erosion, yet adapt by relocating nests under bridges, expanding their range.
- Burrowing owls raise multiple chicks, facing feeding challenges and competition, highlighting the park's vibrant wildlife and ecosystem.
02:57:46
"Alaska's Humpback Whales and Volcanic Wonders"
- Humpback whales breed and nurse their young in Alaska, where calves born with little fat would freeze to death without their mothers in the cold waters.
- Mothers come to clear, shallow waters in Alaska to protect their calves from predators, despite the lack of food, causing them to lose up to forty percent of their weight while raising their young.
- Humpback whale populations are increasing, with the park being a notable place to observe these massive creatures, overshadowed by two massive volcanoes, Kilauea and Mauna Loa.
- Kilauea, one of the most active volcanoes globally, features a lava lake over seven hundred and fifty feet deep, with lava flows reaching the sea ten miles away, covering the coast road over 100 feet deep during a thirty-five-year eruption.
- Mauna Loa, the largest volcano on Earth, rises over fifty-six thousand feet above its base, providing a solid foundation for life in the park, despite the barren and toxic environment created by volcanic activity.
- Unique creatures like the wingless lava cricket and the 'ohi a lehua tree have adapted to survive in the harsh volcanic landscape, with the tree growing up to one hundred feet tall and living over a thousand years.
- The 'ohi a lehua tree's success is attributed to its aerial root systems drawing moisture from the air and deep into the lava, creating a biological treasure and sanctuary for rare native species in the park.
- Native species like the happy face spider and the Jackson's three-horned chameleon coexist in the park, with the latter considered an invasive species threatening the delicate balance of the forest ecosystem.
- The park is home to unique creatures like the inchworm and the Hawaiian cleaner wrasse, with the latter providing a valuable cleaning service to other reef dwellers, showcasing the interconnectedness of life in the park.
- The park's rich cultural tradition, including petroglyphs carved over five hundred years ago, and the unique habitat of kipuka forests, isolated by lava flows for thousands of years, support a diverse array of species found nowhere else on Earth, facing threats like Rapid Ohi a Death fungal disease.
03:27:50
"Hawaiian Wildlife and Lava Tube Wonders"
- There have been at least 59 different species of honeycreepers throughout Hawaiian history, with some suggesting they all descended from a single ancestor, feeding mainly on the flowers of the ohi a tree.
- The Hawaiian woodpecker, a cousin of the scarlet honeycreeper, is an incredibly rare bird that feeds on insects, with approximately one thousand left in the wild, using its beak to locate and extract larvae.
- Beneath the surface of Hawaii Volcanoes National Park, lava tubes provide a unique environment for rare insects, with recent discoveries of new species hinting at further findings and the essential role these hidden places play in supporting life above ground.
- The park features the 'Nahuku' or Thurston Lava Tube, part of a network spanning over forty miles from Kilauea, descending 3,600 feet beneath the surface, making it the longest and deepest lava tube network globally, attracting over half a million visitors annually.
