Young penguins will find a mate by singing, and they will choose a mate based on the similarity of their voices.
Cats have a special structure on their throat called the "laryngeal bone" that helps cats make sounds.
The wings of bees can vibrate hundreds of times per second, allowing them to fly at high speeds.
A fox's tail can be used to maintain balance and warmth, as well as to communicate with its own kind.
Ants are very fast, with the Saharan silver ant crawling 108 times as far per second as long as its own body, equivalent to a human running at 360 miles (579 kilometers) per hour.
A cat's whiskers can help them judge the size and distance of the space, which makes them excellent hunters.
The chirping of crickets can travel very far, and some species can even be heard up to 2 kilometers away.
Cats' eyes have night vision, and their pupils can dilate to a very large size in order to see objects clearly in dark places.
Crocodiles have very sharp teeth and a strong bite, and they can bite the bones of large prey in one bite.
Ants have a very organized society, and they communicate and coordinate their actions through a chemical called pheromones.
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