In the cliffs of southern Spain sit "ancient nests" built by bone-eating vultures but left abandoned since the birds went locally extinct roughly a century ago. The "well-preserved" nests hid many ...

Bearded vultures are unusual birds. Their diet consists primarily of bones, which they sometimes drop from great heights to break into smaller, bite-sized pieces. They deliberately change the color of ...

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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, ...