Hedgehog tickles on a summer night Science


Insects and earthworms are an important food for hedgehogs, but mouse chicks and frogs also taste like a nimble-footed swimmer. With its small round ears, it can accurately hear the movement of insects and earthworms below the ground.

Hopefully a hedgehog is not waiting in the yard for a milk bowl. Like most animals, hedgehogs are lactose intolerant when they grow up. Tasting dairy products causes it a nasty diarrhea. Then green feces appear on the lawn.

The anxious hedgehog curls up into a ball and lifts the neck spikes upright. The frightened individual wraps around a spike ball and protects its soft parts. The ball is very difficult to open because the hedgehog’s annular musculature is compressed tightly.

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The spike armor gives the hedgehog self-confidence. It doesn’t always hide but screams. The threatened hedgehog jumps, squeaks and punches to drive the threatening his way. Once the perpetrator has escaped, the hedgehog takes his feet under him. With its ten-centimeter birches, a round animal is able to accelerate quickly to run.

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On the escape route, it may collide with gates and vegetation. With small button eyes you can see poorly at night and during the day.

A curious and relaxed hedgehog has an upright nose instead of spikes. It sniffs its surroundings or burps with satisfaction after a tasty earthworm meal on its side. It has a good sense of smell and hearing. Therefore, it moves in the twilight beak with throbbing and ears with a rumble.

It’s a lonely walker of evenings that doesn’t enjoy being in company. The tactic is peaceful: when a hedgehog smells a close-knit speciesmate, it makes every effort to dodge. Hedgehogs do not have territories but living circles that live in guest Korean respecting their neighbor.

Problems arise in popular eateries that can accumulate multiple individuals. A surprising crowd in front of a garden food cup evokes irritation and fuss in the hedgehogs. They might ruffle each other and ruffle their spikes, let’s go for it!

Read the full article Science in Nature 4/2021.


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