Elongated tubes, flat ribbons, and other “worm-like” body plans were so varied and abundant that a part of the Ediacaran is sometimes known as Wormworld. But in the end, the ancient Wormworld was ended by the actions of its very own worms.

Fossil evidence suggests Diictodon used burrows to breed, and that a parent stayed behind to feed and protect their young. And the parent that stayed behind? It might’ve been the male.

Weasels have an extreme body plan that may push the boundaries of what’s metabolically possible. So when and how did this happen? Why'd the weasels get so skinny?

Animals use all kinds of tricks and adaptations to keep themselves safe from predators, but armadillos stand out for a really special reason: they have their own, built-in suit of armor!

In the late 1800s, paleontologists in Nebraska found huge coils of hardened sand stuck deep in the earth. Local ranchers called them Devil's Corkscrews and scientists called them Daemonelix. It was clear these corkscrews were created by...

This small animal might seem like a run-of-the-mill rodent at first, but its huge back legs can produce kicks hard enough to let it rumble with rattlesnakes looking for a meal.

When living underground leaves them vulnerable to attack, burrowing owls have a trick up their sleeve—they’ve developed the ability to mimic rattlesnake sounds that scare off predators!

Howcast - Learn seven cool facts about sulcata tortoises, aka African spurred tortoises, from reptile and amphibian expert Jungle Bob in this Howcast video.

See how the "ecosystem engineers" build the burrows that the owls live in.

See how the "ecosystem engineers" build the burrows that the owls live in.

Conservation specialists relocated a group of owls to an ecological preserve away from human development - but "phase 2" involves bringing in some California ground squirrels.

But when it comes to gopher tortoises, indigo snakes can make great roommates.

Conservation specialists relocated a group of owls to an ecological preserve away from human development - but "phase 2" involves bringing in some California ground squirrels.

See how the "ecosystem engineers" build the burrows that the owls live in.

But when it comes to gopher tortoises, indigo snakes can make great roommates.

See how the "ecosystem engineers" build the burrows that the owls live in.

See how the "ecosystem engineers" build the burrows that the owls live in.

For this large burrowing bee, mating season isn’t just competitive – it’s deadly. Biology - Animal Kingdom - Learning Points. Dawson's burrowing bee is one of the largest bee species in the world. Dawson's bees are solitary bees, and...

Animals use their homes to raise their young, keep safe from enemies and stay protected from the weather.
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In the 1995 research, ‘The Ability of Woodchucks to Chuck Cellulose Fiber,’ researchers experimentally verified just how much wood woodchucks are capable of chucking or consuming.



Their experiment claims to have involved...

The video explores the differences between turtles and tortoises, despite both being reptiles with similar characteristics. Turtles are aquatic creatures with webbed feet for swimming, while tortoises are land-dwelling animals with...

Ecologists take a comprehensive look at sagebrush habitat through the eyes of a small, but important, resident



Description: The Lemhi Valley is a high desert sagebrush steppe environment in eastern Idaho, along the...

On this episode of Breaking Trail, Coyote and the crew track down one of most iconic Poison Frogs in the world! The Green and Black Poison Frog is one of the most recognizable of all dart frogs because of their striking emerald and black...

The Lemhi Valley is a high desert sagebrush steppe environment in eastern Idaho, along the border with Montana. It's a critical habitat and a gorgeous piece of intact sagebrush landscape, according to University of Idaho mammalian...