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Schematic representing blubber volume estimation (V b) for a North Atlantic right whale of body length a × 2. Total body volume of normal whales (V n) was estimated from length and body radius b n = c n. Body volumes of entangled whales (V e) were based on length and body radius b e, based on the difference in blubber thicknesses between normal (t n) and entangled (t e) individuals measured at necropsy. See text for detail
