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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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 30 January 2025. Large baleen whale species Humpback whale Temporal range: 7.2–0 Ma PreꞒ Ꞓ 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 classification Domain: Eukaryota Kingdom ...
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. [19] The bowhead is not thought to be a deep diver, but can reach a depth down to 150 m (500 ft).
In November 2018, over 140 whales were witnessed stranded on a remote beach in New Zealand and had to be euthanised because of their declining health condition. [47] In July 2019, nearly 50 long-finned pilot whales were found stranded on Snaefellsnes Peninsula in Iceland. However, they were already dead when spotted. [48]
Elephant seals stay at sea for between 2 and 8 months and dive continuously, spending 90% of their time underwater and averaging 20 minutes per dive with less than 3 minutes at the surface between dives. Their maximum dive duration is about 2 hours and they routinely feed at depths between 300 and 600 meters (980 and 1,970 feet), though they ...
Fewer than 400 individual North Atlantic right whales remain in the wild, and their numbers continue to decline. Oceana, a conservation group based in D.C., has reported numerous collisions ...
The regulation became necessary when the number of whales near the coast spiked after a marine heat wave from 2014 to 2018 apparently pushed their prey – such as sardines and anchovies ...
Every few years, the humpback whales come into the bay for a few days while they’re migrating. November 2020 was one of those times, so we took out our yellow double kayak to watch the wildlife.