What's Up With the Weird Mouths of These Finch Chicks?

NSP Faculty in the News: Mark Hauber, Professor Animal Biology
Double-barred Finch. Photo: G. Hofmann & F. Scheffer; Audubon
ANIMAL BIOLOGY - Audubon (New York City, Jan. 8) – Coming in many shapes, colors and sizes, strange mouth markings might aid in the survival of young birds, says Mark Hauber, an ornithologist and a professor of animal biology at Illinois.