Tiny bone fragments from Alaska suggest birds started breeding and nesting in the Arctic 30 million years earlier than ...

A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds ...

Spring in the Arctic brings forth a plethora of peeps and downy hatchlings as millions of birds gather to raise their young.

Huge flocks of migrating geese, swans and other birds swoop in during their long migration to the Arctic from as far as ... It sits on the high plains where they sweep up to meet the mountains ...

The system uses radar because most species migrate at night, some at altitudes as high ... birds that breed on the tundra and winter in southern South America. Some species include the arctic ...

A collection of fossils discovered in northern Alaska shows that birds were nesting in harsh Arctic environments as early as 72.8 million years ago ...

Life is harsh for barnacle geese, which must contend with Arctic temperatures and protect their young from predators like foxes by nesting on high ledges ... This mass migration has created ...

Changes in the number, shape, efficiency and interconnectedness of organelles in the cells of flight muscles provide extra ...

A collection of fossils discovered in northern Alaska shows that birds were nesting in harsh Arctic environments as ... which appear absent from these high latitudes, and coexisting polar-adapted ...

This time of year, Izembek is famous as a stopover for migrating birds — a place to rest and refuel as hundreds of species move between their southern wintering grounds and the Arctic.