This story appears in the January 2018 issue of National Geographic magazine. If birds left tracks in the sky, what would they look like? For years Barcelona-based photographer Xavi Bou has been ...

Northern Arizona Audubon Society awaits first bird detection via Motus tracking system after installing technology in ...

Cornell Lab of Ornithology's BirdCast Migration Dashboard allows tracking of bird migration across the U.S., including ...

Vertebrates are diverse animals with backbones, such as fish, birds and reptiles. Scientists led by fossil track specialist Connor Bennett believe the fossilized footprints were left behind by ...

Vertebrates are diverse animals with backbones, such as fish, birds and reptiles. Scientists led by fossil track specialist Connor Bennett believe the fossilized footprints were left behind by ...