Annotated list of bird species found at the U of M's Cedar Creek Ecosystem Science Reserve since 1942. This checklist was complied by volunteers at Cedar Creek Ecosystem Science Reserve, under the supervision of Dr. Caitlin Barale Potter, education and community engagement coordinator. The checklist was originally complied and is kept updated by Jim Howitz and Caitlin Potter. Observations are submitted to staff and scientists at the reserve, as well as citizen scientists on the Red-headed Woodpecker Recovery Project. Photos are used with permission from Jim Gindorff, Keith Olstad and Siah St. Clair (Red-headed Woodpecker Recovery Project based at CCESR) and Jim Williams. CCESR is located in northern Anoka County and southern Isanti County.