1 Have you ever been afraid? Did you call for help? Did you run away? Did you hide? Animals sometimes do those things when they're afraid. Animals also do other things when something scares them.
2 Very small animals try to make themselves look bigger and scarier. When a snake is after a toad, the toad stretches its legs and puffs its body up. The toad can make itself three times bigger. The snake can't swallow such a big toad. Pufferfish, or blowfish, have stomachs that can stretch. If a pufferfish senses danger, the pufferfish swallows lots of water and doubles its size.
3 Some animals pretend to be something different. If a bird tries to eat the citrus swallowtail caterpillar, it pretends to be a snake. The caterpillar sits up. Then it sticks out a bright orange thing that looks like a snake's tongue and wiggles it back and forth.
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