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August, 2011 Bird Sightings at Fermilab

Author: Peter Kasper

July September
Aug 25

Thursday, August 25

Notable Species: Osprey, Cooper's Hawk
Recent Arrivals: Bay-breasted Warbler
The first migrant fall warblers were seen this morning. A half dozen or more Tennessee Warblers were in the Main Ring Woods, while a Great Horned Owl flushed nearby. Several more Tennessee's were found in the Kautz Road Woods along with a Bay-breasted Warbler and several Red-eyed Vireos. Two Cooper's Hawks flew low over my head on the way to the Sparrow Hedge. Just south of the hedge a third Cooper's flushed and landed nearby; this was a juvenile. On the way back, all three Cooper's were found in a tree at the southeast corner of Lake Law. They were all juveniles and flying in and out of the tree, then sparing in the air. This was a great display of siblings at play. Caspian Terns are still being seen over Lake Law. A pair was seen today while seven were present on Sunday. Henslow's Sparrows were still singing along North Eola Road. Finally, an Osprey and American Kestrel were perched in close proximity near the

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