Poison dart frogs are small, brightly colored amphibians found in the tropical rainforests of Central and South America. These frogs are known for their vibrant colors, which can be blue, green, red, yellow, or a combination of these hues. The bright colors serve as a warning to potential predators about their toxicity.

These frogs are called "poison dart frogs" because indigenous people have used their toxic skin secretions to poison the tips of blow darts for hunting. The level of toxicity varies among species, with some being deadly to humans while others are relatively harmless. The most toxic species, such as the golden poison dart frog, can produce enough poison to kill several humans.

Poison dart frogs are usually small, ranging from about half an inch to two inches in length. They have smooth skin and are often found near streams or other bodies of water, where they lay their eggs. The eggs hatch into tadpoles, which are carried by one of the parent frogs to water where they can develop into adult frogs.

These frogs primarily eat small invertebrates like ants, termites, and beetles. Interestingly, their diet plays a role in their toxicity; the insects they consume contain alkaloids, which the frogs then secrete through their skin as poison.

Poison dart frogs play a crucial role in their ecosystem by controlling insect populations. However, many species are threatened or endangered due to habitat loss, climate change, and pollution. Conservation efforts are essential to protect these unique and beautiful amphibians.