Narwhal siluetti 5 months 26 Baird's beaked whale siluetti 6 months 6 Large Narwhal siluetti about 1 year 13 Blue Whale siluetti about 2 years 49 Narwhal siluetti over 2 years 28 Northern bottlenose whale siluetti over 2 years 29 Sarvivalas siluetti about 4 years 61 Tyynenmeren mustavalas siluetti about 4 years 65 Kaskelotti siluetti about 4 years 128 Miekkavalas siluetti about 4 years 246