Case file · Cryptid
Herodotus and the winged serpents
Herodotus says he travelled to a place 'in Arabia near Buto' and saw heaps of bones and spines of winged serpents that the ibis killed each spring as they flew in from Arabia.
440 BCE · 31.20, 30.74 · status: legend
The sceptical view
Proposed explanations include locust swarms, fossil beds and flying lizards in traveller's tales. The location is uncertain.