Nov. 29, 2010, at the Ridgefield National Wildlife Refuge, this Northern Harrier started ‘singing’ for me. See still photos of other Harriers in the Raptors section in the top menu bar of this site under Bird Photos. Taken with a Canon 7D and a Canon 400mm f5.6L lens.
Harrier Vocalizing from Dennis Davenport on Vimeo.