By the 17th century, the northern bald ibis was nearly hunted to extinction. But over the last two decades, breeding and ...

Each year, millions of monarch butterflies travel thousands of miles across North America to escape the cold and find suitable breeding grounds. Their migration habits are an absolutely extraordinary ...

Every year, billions of birds undertake intrepid journeys between temperate regions in North America and their tropical ...

Those migration flights for songbirds and other species typically take place in the overnight hours. According to experts, birds typically take flight 30-to-45 minutes after sunset, ...