Many unexpected human artifacts have been preserved, for centuries, in vulture nests. This sandal woven from grasses and twigs, called an agobía, is somewhere between 727 and 771 years old, ...

Many people have probably seen birds picking up small pieces of man-made materials, like strips of a plastic bag or paper litter, and taking them into their nest. This behavior appears to be fairly ...

Archaeologists in Spain discovered medieval artifacts in bearded vulture nests, including a complete 13th-century esparto ...

Archaeologists find an intact medieval sandal in bearded vulture nests in Spain, preserved for seven centuries on a cliff.

Scientists in Spain analyzed the abandoned “ancient nests” of bone-eating vultures and found centuries-old artifacts, photos show. Photo from Sergio Couto via Margalida, Couto, Pinedo, Gil-Sánchez, ...

Researchers found over 200 cultural artifacts within nests of bearded vultures, with the oldest item to date — a woven sandal ...

Several years ago, I led a birding tour along the Missouri River. As the group and I stood on a high cliff overlooking that beautiful valley, we were entranced by the masterful flight control ...