Why Do Penguins Have Small, Stiff Wings?
Why Do Penguins Have Small, Stiff Wings? A penguin wing is called a flipper. It is a hard, rigid paddle covered with tiny stiff feathers that are not waterproof (unlike...
Read MoreWhy Do Penguins Have Small, Stiff Wings? A penguin wing is called a flipper. It is a hard, rigid paddle covered with tiny stiff feathers that are not waterproof (unlike...
Read MoreDo Porcupines Throw Their Quills? Porcupines are small forest animals famous for their bristling armor of sharp quills, which are long, stiff hairs.When danger...
Read MoreWhy Do Cats Have Whiskers? The whiskers on a cat’s face are actually touch receptors and serve as feelers. Scientists call whiskers vibrissae (vi-BRIS-see). These...
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