An epidemic of beauty sickness: Renee Engeln at TEDxUConn 2013
Yes. Yes yes yes.
Eighty percent of the bird’s diet consists of bone and bone marrow. Its stomach acid has a pH of about 1, so the dense material can be digested in under 24 hours.
Lammergeiers are naturally black and white, but they are known to rub red soil into their feathers to distinguish age and status.