On September 30, 2005, Norway Post have continued to issue the marine life stamp series in two single stamps. The species of marine life that featured on stamps are Orcinus Ocra (Killer whale) and Urticina eques (Sea anemone).
Orcinus Ocra
The killer whale (Orcinus orca) distinctively bears a black back, white chest and sides, and a white patch above and behind the eye. Calves are born with a yellowish or orange tint, which fades to white.
Males and females also have different patterns of back and white skin in their genital areas.Sexual dimorphism is also apparent in the skull; adult males have longer lower jaws than females, and have larger occipital crests.
