Here is a nice article written for Vermont Ebird about Lincoln's Sparrows:
In my experience they are often, but not always in mixed species sparrow flocks, and rarely, if ever singing in the fall.
On Sep 18, 2013, at 5:42 PM, Martha Pfeiffer wrote:
> Does the Lincoln's sparrow mix with Fall Song Sparrows - or is it a solitary bird? Is it singing in the Fall?
> Would appreciate any info anyone can give.
> Martha Pfeiffer