Long-finned Pilot Whale

The long-finned pilot whale or pothead whale (Globicephala melas) is a large species of oceanic dolphin. It shares the genus Globicephala with the short-finned pilot whale (Globicephala macrorhynchus). Long-finned pilot whales are known as such because of their unusually long pectoral fins. == Taxonomy and naming == === Etymology === Pilot whales get their name from the original belief that there was a "pilot" or lead individual in their groups. The name for the genus, "Globicephala" is derived from a combination of Latin globus ("globe") and Greek kephale ("head"). The specific name "melas" is Greek for "black". This species has also earned the nickname of "pothead whale" in some places because the shape of its head reminded early whalers of black cooking pots. === Taxonomy === This species was first classified in 1809 by Thomas Stewart Traill and given the name "Delphinus melas". However, this scientific name was changed later to "Globicephala melaena". Then in 1986, the specific name for this species was reverted to its original form as "melas". == Anatomy and morphology == === Size === There is sexual dimorphism in the species. Females grow to a maximum length of up to 6 m (20 ft), and a…