The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

Birds can be classified into two groups: diurnal and nocturnal. Most birds are diurnal, meaning they are awake during ...

A report about nocturnal animals and birds and their adaptations. The report shows footage of barn owls, mice, hedgehogs, bats, badgers, moles and worms. Students could become nature detectives ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

This mysterious, rarely seen petrel is among the ocean's most wide-ranging marine species. Locally known as ‘ua‘u for its haunting, nocturnal call, the bird is an attractive, large, dark gray-brown ...

A report about nocturnal animals and birds and their adaptations. The report shows footage of barn owls, mice, hedgehogs, bats, badgers, moles and worms. Students could become nature detectives ...