The sei whale is a baleen whale. It is one of ten rorqual species, and the third-largest member after the blue and fin whales. It can grow to 19.5 m in length and weigh as much as 28 t. Two subspecies
Sei whale mother and calf Christin Khan NOAA
A sei whale showing distinctive upright dorsal fin
Close-up view of baleen plates, used to strain food from the water
The fin whale, also known as the finback whale or common rorqual, is a species of baleen whale and the second-longest cetacean after the blue whale. The biggest individual reportedly measured 26–27.3
Sei whale
…whale ( SAY, Norwegian: ; Balaenoptera borealis) is a baleen whale. It is one of ten rorqual species, and the third-largest member after the blue and fin whales. It can grow to 19.5 m (64 ft) in length and weigh as much as 28 t (28 long tons; 31 short tons). Two subspecies are recognized: B. b. borealis and B…
A fin whale in the Gulf of St. Lawrence, showing characteristic backswept dorsal fin
A frontal view of a fin whale, showing asymmetrical colouration