Why is the poison dart frog in danger?

Poison dart frogs are beautiful creatures that can kill but out of 240 species only 3 are capable of killing humans. The poison dart frogs inhabit the tropical and humid climates of Central and Southern America. They require about 80 - 100 percent humidity and a day time temperature between 72 °F - 80 °F, while the nighttime temperature should not fall below 60 °F. They usually live on the ground, though they are also known to live high in the trees, sometimes even as high as 33ft off the ground.

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The poison dart frogs are a critically endangered species. As it is, the poison dart frogs have a small lifespan in the wild, ranging between 1 to 3 years. To top it, loss of habitat due to logging, deforestation and farming has severely eroded their population numbers. Predation by other species is also a highly ranked threat for their survival. But the worst killer of the poison dart frogs is a fungal disease known as 'cutaneous chytridiomycosis'. This infectious skin disease is fatal for all amphibians and by that count, even the poison dart frogs.

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According to the Global Amphibian Assessment, around 28% of 234 known species of poison dart frogs are now threatened with extinction. The main threats to these frogs' survival are the same as for other tropical frogs, which are further discussed in the Amphibian Declines article. And that is why it sounds logical to try to protect them in the context of the rest of amphibian species.