Grasshoppers have existed for more than 250 million years. They are one of the oldest living insect groups.
To defend themselves, grasshoppers can spew a dark liquid. This liquid tastes bad and can irritate predators' eyes.
They generate music by rubbing their legs together. This is referred to as stridulation.
Swarms of grasshoppers have the ability to travel long distances and consume large amounts of vegetation.
They have bellies with ears and tympanal organs on the first abdominal segment, located under the wings.
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