DFO’s Strange Animals — Long-Billed Syndrome
Colleen Handle/AP Photo/USGS Alaska Science Center
In this undated photo provided by the USGS Alaska Science Center shows a black-capped chickadee, the most affected birds of "long billed syndrome". "Long-billed syndrome” has been recorded in about 160 birds by a Skagit County researcher, mostly in Western Washington and southern British Columbia and mostly since 2000.