Some species also have spines on their skin to ward off predators.
Group Name: School Size: Up to 3 feet Some pufferfish species also have
These enormous fish are found in tropical oceans around the world.
The opening of whale shark’s throat is covered with about 20 giant pads that have
Invertebrates don’t have backbones or bony skeletons.
Blue marlins usually feed at the surface where the water is warm, but they have been
Blue marlins usually feed at the surface where the water is warm, but they have been
Photograh by Andreanita, Dreamstime Black rhinoceroses have a sort of attack-first-and-ask-questions-later
Koalas are marsupials, related to kangaroos.
Size: 23.5 to 33.5 inches Weight: 20 pounds Most marsupials have
Discover why this ancient predator is known as the king of the dinosaurs.
Subscribe menu If cars had been around in Tyrannosaurus rex’s day, its bite could have
An American goldfinch soars through the warm spring air, it’s yellow feathers reflecting the sun. Suddenly the bird opens its mouth and chirps a call that sounds like “po-ta-to-chip.” This flier isn’t looking for a salty snack. It’s using this vocalization to communicate with its flock. The bird flies on, continuing its delicious call.
Subscribe menu American goldfinches have six different vocalizations, including
Not far from the North Pole, the world is frozen for thousands of miles. Suddenly a snowy mound wiggles and reveals two dark eyes. The lump is transformed into the furry white body of a lone arctic fox. The canine casually shakes the blanket of snow off her thick coat—the key to her survival. But warm fur alone might not keep this fox alive during the polar winter, when temperatures rarely get above zero degrees Fahrenheit. Until spring arrives, this arctic fox will rely on some freeze-defying strategies, making it a champion of the cold.
Luckily, these small foxes have some useful adaptations for living in the icy Arctic
Today, bison numbers have rebounded somewhat, and about 200,000 bison live on preserves
Today, bison numbers have rebounded somewhat, and about 200,000 bison live on preserves
