When threatened, hairy frogs break toe bones to form sharp, temporary claws that pierce through their skin for defense. Males sprout blood-rich, hair-like filaments during mating season, boosting ...

Glass frogs are named for their translucent skin, which helps display their internal organs from underneath (you can even watch their hearts beat). Although there are more than 150 different glass ...

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Poison dart frogs are deadly in nature, beautiful and famous for their patterns and colours which makes them noticeable in the forest. They have big eyes but small in size — they are between 2.5 cm to ...

Perhaps the most fascinating fact about the hairy frog is its formidable, hidden claws. Wolverine, a character in the Marvel movies, can extend sharp claws and then retract them. His claws pierce ...