Snarge - a word for what remains after a bird strikes an aircraft

I never knew this word until this article...

http://www.nytimes.com/2009/01/25/science/25birds.html?scp=3&sq=bird%20strike%20&st=cse

"...a staff of four in the Feather Identification Lab took in samples from 4,600 bird-plane collisions, or bird strikes, last year. Arriving mostly in sealed plastic bags, these included birds’ feet, whole feathers... known as snarge"