variants: or less commonly Bachman sparrow \ -ən- \
Definition of Bachman's sparrow
: a sparrow (Aimophila aestivalis bachmani) of the central and southern U.S. that is reddish brown above and white below with the breast and sides washed with warm light brown
First Known Use of Bachman's sparrow
1887, in the meaning defined above
History and Etymology for Bachman's sparrow
after John Bachman †1874 American Luthern clergyman and naturalist