Willow Flycatcher (Empidonax traillii)
Above and below two: A Willow Flycatcher in Frederick Co., Maryland (5/20/2007).
Below: A probable Willow Flycatcher ("Traill's Flycatcher") in Howard Co., Maryland (7/20/2006).
Below: A Willow Flycatcher in Charles Co., Maryland (9/7/2008).