Focus on the center-right of the image, where the pig has cleverly tucked itself among the crowd. Once you see it, you wont ...

Why it's awesome: The hoatzin is often regarded as one of the world's strangest birds. Hatchlings are born with clawed wings ...

Approximately 40% of all birds migrate, whether it’s a quick trip to a warmer location or a long, grueling journey. Birds ...

Animals with ultraviolet color patterns can be found all over nature. Here’s what we know about what purpose these patterns ...