Second Nature, we explore how creatures across the animal kingdom - from birds and whales to crustaceans and reptiles - navigate the planet with astonishing precision. I explain the different kinds of ...

Migratory birds are in trouble in the Central Valley and across California as they lose habitat and deal with pollution. One group has made it their mission to help.

Humans change the urban landscape with religious, cultural and political activities, which in turn can influence the ...

America's national bird is doing great. The government's proposed cuts to nature protections could put that at risk.