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Minke whales typically live between 30–50 years, but in some cases, they may live for up to 60 years. They have a gestation and calving period of approximately 10–11 months and 2 years, respectively. [14] Minke whales have a digestive system composed of four compartments with a high density of anaerobic bacteria throughout. The presence of ...
The common minke whale or northern minke whale (Balaenoptera acutorostrata) is a species of minke whale within the suborder of baleen whales. It is the smallest species of the rorquals and the second smallest species of baleen whale. Although first ignored by whalers due to its small size and low oil yield, it began to be exploited by various ...
Antarctic minke whales are more gregarious than their smaller counterparts, the common and dwarf minke whale. The average group size in the Antarctic was about 2.4 (adjusted downwards for observer bias), with about a quarter of the sightings consisting of singles and one-fifth of pairs; the largest aggregation consisted of 60 individuals. [ 69 ]
The common minke whale is the smallest rorqual in the world. However, like several other species in the same genus, it spends the summer feeding in high-latitude regions and migrates to its breeding grounds along the Caribbean island-arc and the mid-Atlantic area.
The Southern Ocean Whale Sanctuary is an area of 50 million square kilometres surrounding the continent of Antarctica where the International Whaling Commission (IWC) has banned all types of commercial whaling. To date, the IWC has designated two such sanctuaries, the other being the Indian Ocean Whale Sanctuary.
The blue whale diverged from other Balaenopteridae (including fin and northern minke whales) between 5 and 10 million years ago, and the oldest fossil representing something similar to today’s ...
Spade-toothed whales are the world’s rarest, with no live sightings ever recorded. ... allowing them to map the relationship of the whale to the few others of the species found, learn what it ...
The pygmy right whale shares several characteristics with the right whales, with the exception of having a dorsal fin. Also, pygmy right whales' heads are no more than one quarter the size of their bodies, whereas the right whales' heads are about one-third the size of their bodies. [11] The pygmy right whale is the only extant member of its ...