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Identifies physical characteristics, adaptations, and survival tactics of various kinds of reptiles. Segment 1, Snakes: Describes how snakes move, eat, and reproduce. Segment 2, Crocodilians: Compares and contrasts alligators and crocodiles. Segment 3, Lizards: Looks at some unique physical adaptations of various lizards, such as basilisk lizard, Komodo dragon, Gila monster, and chameleon. Includes suggested classroom activities after each segment.
(Source: DCMP)
Snakes certainly make it look easy when they slither forward, leaving perfect S-curve tracks behind them, but scientists have long been puzzled by the mechanics of their locomotion. Now, after a series of experiments and some computer modeling, David Hu has cracked the case. With funding from the National Science Foundation, he’s using math to determine how snakes slither and it turns out they move in a much different way than scientists have long thought.
The goal of this research is to determine the mechanisms underlying predatory and defensive behavior guided by an extraordinarily novel sensor in snakes. Pit vipers, pythons and boas possess special organs that form images in the brain of the thermal environment, much like vision occurs in the human brain. Thus, these snakes see heat, and this amazing system is the most sensitive infrared detector on Earth, natural or artificial. A better understanding of infrared-based thermal imaging in snakes is important not only for understanding complex behavior in these highly efficient predators, but also for understanding the evolution of imaging sensors and the behaviors they support in other animals including people. Part of the National Science Foundation Series “Science Nation.”
Features Emily, the six-year-old host, who learns about snakes and camels, takes care of kittens, swims with dolphins, and goes snorkeling. Using a natural, unscripted format, Emily investigates the world through her own candid comments and questions, engaging everyone she meets. Teaches young learners basic concepts about the world around them in a manner that is positive and nonthreatening.
Students learn the unique features of reptiles by viewing footage of snakes, lizards, and turtles in their natural habitats. Concepts and terminology include cold-blooded, scales, shell, and eggs.
The search is on for a legendary Australian snake that ancient stories describe as the creator the earth. Segment of video from Wild Chronicles Series.
In this episode, wildlife expert Jack Hanna highlights some scary animals. He lists frightening encounters with lions, crocodiles, king cobras, sea snakes, bats, and Tasmanian devils. Part of the "Jack Hanna's Wild Countdown" series.
Explore the narrator’s backyard to get an up-close look at some scaled friends. Students will learn about the characteristics of reptiles. Animals discussed include turtles, snakes, and lizards. Part of the "Everyday Science for Preschoolers" series.
In this episode, host Jeff Corwin explores the largest wetland habitat in Botswana featuring a great herd of elephants, deadly hippos, snakes in trees, and exotic birds. Part of the "Ocean Mysteries" series.
Host Emily Graslie travels to an unstudied rain forest. While there, she helps a team of scientists document the reptiles and amphibians they find during night excursions. Part of "The Brain Scoop" series.
For over a decade, animal activist Snehal Bhatt has led a one-woman crusade to rescue India's most dangerous snakes -- cobras, vipers, and giant pythons -- from frightened townspeople, crooked snake charmers and devious poachers.
