A study describes how archaeologists exploring abandoned cliff nests in southern Spain pulled a medieval surprise from a bearded vulture’s home, a woven sandal that radiocarbon tests place between 650 and 750 years old.
Bearded vultures, Gypaetus barbatus, are unusual raptors because they specialize in osteophagy, a bone heavy diet, and they reuse protected cliff cavities as family sites for generations.
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