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Whales evolved from land-living mammals, and must regularly surface to breathe air, although they can remain underwater for long periods of time. Some species, such as the sperm whale, can stay underwater for up to 90 minutes. [2] They have blowholes (modified nostrils) located on top of their heads, through which air is taken in and expelled.
The long-finned pilot whale (Globicephalas melas) can dive to between 500 and 600 m for up to 16 minutes. Northern bottlenose whales dive to the seabed at 500 to 1500 m for more than 30 minutes, occasionally as long as 2 hours. [49]
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 December 2024. There is 1 pending revision awaiting review. Large baleen whale species Humpback whale Temporal range: 7.2–0 Ma Pre๊ ๊ O S D C P T J K Pg N Late Miocene – Recent Size compared to an average human Conservation status Least Concern (IUCN 3.1) CITES Appendix I (CITES) Scientific ...
On average, a bubble blast came 27 seconds after a whale dove for food, and most were observed while the whales were doing headstands. The older and bigger a whale got, the greater the probability ...
The bowhead whale is not a social animal, typically travelling alone or in small pods of up to six. It is able to dive and remain submerged under water for up to an hour. The time spent under water in a single dive is usually limited to 9–18 minutes. [16] The bowhead is not thought to be a deep diver, but can reach a depth down to 150 m (500 ft).
The second-largest whale species after blue whales, fin whales are classified as endangered species, according to NOAA. A fully grown whale can reach up to 85 feet long and weigh between 40 and 80 ...
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Like other toothed whales, the sperm whale can retract its eyes. The sperm whale's eye does not differ greatly from those of other toothed whales except in size. It is the largest among the toothed whales, weighing about 170 g. It is overall ellipsoid in shape, compressed along the visual axis, measuring about 7×7×3 cm.