American ornithologist Frank Chapman was born #OTD in 1864.
Chapman was a prolific writer, authoring numerous books and articles on birds and ornithology. His works include "Bird-Life: A Guide to the Study of Our Common Birds", "Camps and Cruises of an Ornithologist", and "Handbook of Birds of Eastern North America". These publications were influential in both scientific and popular circles, making ornithology accessible to a broader audience.