While at Cromwell Valley Farm Park in Baltimore County yesterday afternoon (willow grove farm area), I was opportuned to observe a nicely sized group of CONHs (for this time of year). 15 (possibly more) birds danced in the sky from appx. 4:30pm onwards (still there when I left at 5:30pm). Also while at Cromwell, two adult Bald Eagles flew over and caught a nice thermal before heading out, giving myself and a few others a spectacular show. As well as sightings of singular Osprey and Northern Harrier, 3 American Kestrels and 2 Sharp Shinned Hawks. Good birding, Holly Merker (native Marylander) Downingtown, Pennsylvania