...the
Spade Toothed Whale is the rarest, and probably the most poorly known large mammalian species.
...the ear bone in cetaceans is fused to the walls of the bone cavity where the ear bones are, making hearing in air nearly impossible. Instead sound is transmitted through their jaws and skull bones.
...from its discovery by
John Edward Gray in 1850 until a re-assessment in 1981, the
Clymene Dolphin was regarded as sub-species of the Spinner Dolphin.
...the
Australian Snubfin Dolphin (Orcaella heinsohni) is a recently recognised species of dolphin first described in 2005.
