In 1964, a paleontologist named John Ostrom unearthed some fascinating fossils from the mudstone of Montana. Its discovery set the stage for what’s known today as the Dinosaur Renaissance, a total re-thinking of what we thought we knew...

A human with the metabolism of a hummingbird would need to eat about 80,000 calories a day to survive. That’s because staying warm by making your own heat takes a ton of energy. And that brings up a paradox, because creating your own...

The concept of warm-blooded and cold-blooded animals is outdated because there are actually tons of different animal thermoregulation strategies.

We humans can rely on our internal body heat to help keep us warm. But what can cold-blooded animals do when faced with the threat of freezing? Here are three creatures that have come up with some...“cool” solutions.

Most fish are pretty sluggish in the cold. But the Pacific bluefin tuna is one of the fastest apex predators in the frigid Pacific ocean. Their physiology has adapted to help them retain more of the heat their bodies produce, except when...

Fish are by far the most diverse of all the vertebrate groups. Discover the shared characteristics that make a fish, a fish. Biology - Animal Kingdom - Learning Points. Fish are aquatic vertebrates. Jellyfish, starfish and other marine...

An introduction to amphibian life. How do amphibians differ from other land vertebrates? And why they are still so dependent on water to survive? Biology - Animal Kingdom - Learning Points. Amphibians follow a two-stage life cycle: a...

Discover the five distinct features that unite all reptiles and the characteristics that they share with mammals, birds and fish. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get...

An introduction to two very different types of tortoise – the jousting angulate tortoises of Dassen Island, and the giant tortoises of the Galapagos. Biology - Animal Kingdom - Learning Points. Male angulate tortoises are very...

Discover the remarkable characteristics that make this odd-looking reptile well adapted for life in the desert. Biology - Animal Kingdom - Learning Points. The thorny devil is a small lizard native to Australia. The thorny devil can suck...

“Animal Categories” gives examples of warm-blooded and cold-blooded animals and discusses how scientists group animals based on the animals’ characteristics.

Explore the basics of snake biology in this easy-to-understand guide. Learn about their cold-blooded nature, how they live in warm places, and their unique body features like scales made of keratin and flexible backbones. Discover how...

Warm vs Cold Blooded Animals

This video teaches about warm blooded and cold blooded animals. Warm blooded animals keep the same body temperature even if it’s cold or hot outside. Cold blooded animals have the same body temperature...

This live-action video program is about the word hibernate. The program is designed to reinforce and support a student's comprehension and retention of the word hibernate through use of video footage, photographs, diagrams and colorful,...

This video provides a brief overview of fishes, highlighting their evolution as the first vertebrates on Earth and their diverse characteristics. The video also mentions their sensory abilities and the various types of fishes,...

This exciting video uses captivating footage to illustrate the exciting features of snakes, lizards, and turtles in their natural habitats. Concepts and terminology: cold-blooded, scales, shell, and eggs.

This colorful program explores the fascinating, and changeable features of amphibians. Concepts and terminology: cold-blooded, metamorphosis, frog, tadpole, toad, and salamander.

This lively video investigates the wide, colorful assortment of fish found on the planet. Concepts and terminology: saltwater, freshwater, cold-blooded, fins, backbone, eggs, scales, and gills.

This live-action video program is about the word hibernation. The program is designed to reinforce and support a student's comprehension and retention of the word hibernation through use of video footage, photographs, diagrams and...

This live-action video program is about deserts. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated graphics and...