Animals eat poisonous mushrooms and nothing happens to them - why?

By madventure | Nature, Photography | 25 Dec 2025


There are many mushrooms in the forest in some regions, but few in others. And a weak fungal infestation of the forest is visible on individual individuals, which are gnawed by forest rodents, mammals and others. When there is an abundance, the mushrooms are rarely gnawed.

Some bitten mushroom finds

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The answer to what animals eat mushrooms, including poisonous mushrooms, is not so simple. First of all, poisonous mushrooms do not affect lower-order animals. Snails, worms, beetles do not have an extensive digestive system, so they eat all poisonous mushrooms without consequences.

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Rodents and small mammals also eat poisonous mushrooms because they often have a different metabolism than humans and are able to remove toxins from the body very quickly, absorbing only the necessary nutritional value of the mushroom.

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There are also animals whose enzymes rapidly break down harmful substances, toxins contained in mushrooms, and rapidly excrete them. In this respect, the human organism is very limited.

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However, for example, a person needs to eat about 1 kg of fly agaric to be fatally poisoned. In the case of the death cap mushroom, a few grams are enough.

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Some mammals, such as roe deer, wild boars, and deer also eat small amounts of poisonous mushrooms to rid the body of parasites. However, animals instinctively eat only the necessary amount of poisonous mushrooms, because a larger dose, like in humans, can be fatal.

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There are mushroom connoisseurs among animals. Squirrels love to gnaw on boletus edulis and other edible mushrooms.

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But the master and connoisseur of flavors is the wild boar, whose greatest delicacy are mushrooms buried in the ground called truffles.

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madventure
madventure

backpackers, traveler, nature lover, photographer, dreamer


Nature, Photography
Nature, Photography

Everything about nature and photography

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