Broad-winged hawks are the only raptor that all leave for the winter.
All the others are partial migrants, and our winter population here is
made up of some year-round residents and some that have moved down from
further north to spend the winter.
Somebody with better information please correct me on this, but it's my
impression that with Harriers, the females and immatures tend to migrate
more, and we often end up with more adult male "grey ghosts" during the
winter. I recall on one trip several years ago counting 7 adult male
Harriers in and around the Dead Creek area on what was probably an up
year for the vole population.
On 11/11/2013 2:25 PM, Barbara Powers wrote:
> A Northern Harrier was sitting in a tree in our field. It later took off to hunt. I thought they had all left for warmer climes. Nice to see it up close.
> Barbara Powers
> Manchester Center
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 2014.0.4158 / Virus Database: 3629/6824 - Release Date: 11/10/13