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Field Notes

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Polyphemus Moth Emerges

July 20, 2013

Mike Coll, Preserve Manager The polyphemus moth (Antheraea polyphemus), is one of North America’s giant silk moths. I found this one as a caterpillar last fall…

Hummingbirds Feeding

July 19, 2013

By Mike Coll, Preserve Manager The Ruby-throated Hummingbird is the only hummingbird that is seen regularly in the eastern United States. Males have the red…

Kestrels at Gwynedd Preserve

July 16, 2013

By Ronald Zigler, volunteer at Gwynedd Preserve All bird photos are the property of Ron Zigler and were used with permission. My interest in Kestrels…

Common Yellowthroat Nest

June 8, 2012

By Mike Coll, Preserve Manager Virtually every bird you see this time of year is involved in some part of the process of rearing young.…

Bird Videos Continued

By Mike Coll, Preserve Manager Like many people I tend to interact with the things that are most available to me. Last year I placed…

Fledgeling Red-shouldered Hawks

June 1, 2011

While southeastern PA is dominated by Red-tailed Hawks, it is a pair of Red-shouldered Hawks that have made Hildacy Preserve their territory. Last year, this…

Great Horned Owl

May 5, 2011

By Mike Coll, Preserve Manager Yesterday, while eating lunch at the preserve, I heard a group of American Crows making a racket. Their calls were loud,…