What animal with only four extant species was the name borne by four ships of the Royal Navy
HMS Hyaena Four ships of the Royal Navy have borne the name HMS "Hyaena" (or HMS "Hyæna"), after the Hyena, a family of carnivorous mammals. Two others were planned but either commissioned under another name or cancelled.
HMS Colibri Only one vessel of the Royal Navy has borne the name HMS "Colibri", after the "Colibri", a genus of hummingbird. There was to be a second vessel of the same name but she was never completed. The two vessels were: