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| Ten KGA members and friends
attended a trip to the Hamilton-Trenton Marsh on Saturday, September 17th.
It was led by Mary Leck, a naturalist who has been studying the ecology
of the Hamilton/Trenton marsh for close to two decades. Located southeast
of Trenton in Hamilton Township, the 1,250 acre Hamilton/Trenton Marsh is
the northernmost freshwater tidal marsh on the Delaware River. The marsh
includes both tidal and nontidal marshland, forested swamp and upland and
second-growth forest. Ponds, creeks, the Delaware & Raritan Canal and the
Delaware River are all connected by this extensive waterway. This diverse habitat supports an astonishing 550 species of plants, more than 230 species of birds and numerous mammals, amphibians and reptiles, including many rare and endangered species. Interesting bird sightings on our visit included a large flock of robins (presumably gathered for migration), swans, wood ducks, red-bellied woodpeckers and migrant warblers. Plants that Mary introduced us to included Tear Thumb (named for its nasty saw-toothed stem), grease grass (which has a "greasy" feel), Virginia knotweed, jewelweed,and cardinal flower (an endangered NJ species). Insects and critters observed included Eastern-tailed Blue butterflies, Halloween Pennant dragonflies, Goldenrod beetles, turtle eggs, and signs of beaver. |