Knobbed Whelk/Busycon carica and Channeled Whelk/Busycotypus canaliculatus side-by-side. I usually see more Channeled around here, but
Recently at Jacob Riis Beach, the Knobbed predominated.
Knobbed & Channeled
Starting out from Brooklyn, an amateur naturalist explores our world.
As John Burroughs said, “The place to observe nature is where you are.”
Backyard and Beyond 
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