Here are some animals with the most unusual defense mechanisms: Sperm whales dive over 3,000 meters deep to escape threats, ...

Residents and officials worry illegal miners in the Munduruku Indigenous Territory in Brazil’s Amazon will simply return or ...

This is part one of a series on the operation to evict illegal gold miners from the Munduruku Indigenous Territory. Part two, ...

Deep in the Amazon rainforest, hoatzin chicks hatch with clawed fingers on their wings, an evolutionary trait seen in prehistoric birds. Scientists have debated its ancestry, but fossils suggest ...

Weight: 2.2 pounds Height/Length: 25.6 inches Most commonly found in: South America There are several things that make the Hoatzin an unusual bird. They are the only species that eats strictly ...