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Invertebrates don’t have backbones or bony skeletons.

You’ll want to go to bat for these awesome mammals after reading about their supercool skills.
Without bats around, you might have a lot more annoying bug bites.

Dozens of ants spill out of a nearby bush, each insect scrambling to outrun a strange-looking object lumbering toward them. A pinecone with legs? An artichoke with eyes? No—it’s a pangolin, an animal covered in hard scales that uses its long tongue to slurp up insects for breakfast, lunch, and dinner. Yum!
Unauthorized use is prohibited. 1 / 3 1 / 3 Like anteaters, pangolins have long

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

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

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