Likely the victim of a loggerhead shrike hiding out somewhere nearby
Photos of three individuals, two mating I believe. At 20' depth in West Hill Lake on November 15, 2021. Used CT DEEP Crayfish Atlas to assist in my guess of species: https://ctdeep.maps.arcgis.com/apps/MapJournal/index.html?appid=b9b8fa8441ac4ccab088db6c38ff0500#
or maybe (from Weakley 2020) Viola sororia var 2 "hirsutula-like"
Black bear; Bristol; 6/27/20
Being given a lift by an Osprey