Definition: External ear (pinna) length is a standard measurement in mammalogy, usually measured in a living mammal or a fresh mammal carcass. External ear length is measured from the base of the notch at the bottom of the ear to the apex (highest point) of the ear.
Known occurrences, collected specimens and observations of Otolemur crassicaudatus crassicaudatus (É. Geoffroy Saint-Hilaire 1812). View this species on GBIF