In an image provided by the British Museum, a depiction of Thoth, centre, an ancient Egyptian god of writing, who was depicted with the head of an ibis. Experts have put forth a number of explanations for how the ancient Egyptians possessed millions — yes, millions — of African sacred ibises that they mummified as offerings to the god Thoth. New DNA analysis undercuts the theory that they created large-scale ibis breeding farms. The New York Times

Millions of ibises mummified in Egypt

But where did the ancient country get them?