Nature’s balance depends on a web of predatory animals that have teeth, claws, speed and other adaptations for catching their food. This balance also hinges on prey animals with clever defenses to avoid becoming food.
To defend its young, a tiger will attack an elephant, which can be 20 times the cat's weight. Sounds like any mother who is protective of her young.
Different kinds of aquatic (water-dwelling) animals use similar tricks of the survival trade. This section demonstrates this point with a look an aquatic bird and a water-loving mammal.
People used to think that hippos sweated blood. They do not. Instead, hippo skin secretes red hipposudoric acid, which works like a sunscreen to protect the sparsely haired beast from the burning rays of the sun.
From deadly venoms to insect repellants to stink bombs, animals produce and use powerful chemicals to attack food and repel danger.
You are a mammal. All mammals have four-chambered hearts, three unique ear bones in each ear, they nurse their young, and almost all have hair at some point in their lives.
In the wild world of nature, survival often depends on sitting in one place and looking like something you’re not. It’s all about adaptations that fool the eye.
Have you heard? Asian elephants have smaller external ears than African elephants, but Asian elephants hear just as well as their African cousins.
Tusks, spines, and even sharp toenails are just some of the adaptations animals use, to defend themselves from predators.
The platypus has a venomous spur on each of its hind ankles. It is one of only three known egg-laying mammals. (The other two, called echidnas, look like small spiny anteaters.)
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