Biohazard in the rainforest! The terrifying poison dart frog is really poisonous...

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Deep in the dense tropical rainforest, there is a colorful creature hidden. Under their beautiful appearance, they hide a deadly poison. This mysterious and deadly creature is the poison dart frog. Why are they so dangerous? How do they produce their toxins? This issue will help you uncover the mystery of the poison dart frog.

Poison dart frogs, mainly distributed in the rainforests of Central and South America, are known for their bright colors and deadly toxins. Poison dart frogs are usually no longer than 5 cm, but their toxins are enough to keep any predator away.

In fact, poison dart frogs themselves are not poisonous, and all toxins come from the food they eat - certain types of ants, beetles and other small invertebrates. These foods contain alkaloids, which poison dart frogs convert into their own toxins through digestion and metabolism, and accumulate and store in skin glands.

Once its toxins enter the human body, they will bind to the sodium ion channels on nerve cells, blocking the transmission of nerve signals, causing muscle paralysis and even cardiac arrest.

Poison dart frogs come in a variety of colors, ranging from bright yellow to deep blue. These bright colors are not only to attract mates, but also to warn potential predators. Scientists call this phenomenon "warning coloration," and they use conspicuous colors to tell predators: "I'm poisonous, don't touch me!" This strategy is extremely effective in nature, and most predators remember this painful lesson after the first attempt and avoid attacking again.

The poison of poison dart frogs has also left a strong mark in human history. The indigenous people used the toxins of poison dart frogs to make poison arrows for hunting. This is also the origin of the name "poison dart frog".

The number of poison dart frogs is declining due to habitat destruction and illegal capture. Scientists are working hard to study their toxins in the hope of finding new drug ingredients. At the same time, protecting the habitat of poison dart frogs is also a top priority.

The existence of poison dart frogs reminds us that there are still many unknown secrets in nature waiting for us to explore and protect.