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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.
Our free, downloadable whale unit includes five days of comprehensive lesson. Whales, the ocean’s largest marine mammals, renowned for their immense size and exceptional adaptability can be ...
The killer whales regularly demonstrate their competence by chasing seals up shelving gravel beaches, up to the edge of the water. The pursuing whales are occasionally partially thrust out of the sea by a combination of their own impetus and retreating water, and have to wait for the next wave to re-float them and carry them back to sea. [12]
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 ...
Humpback whale breach sequence. A breach or a lunge is a leap out of the water, also known as cresting. The distinction between the two is fairly arbitrary: cetacean researcher Hal Whitehead defines a breach as any leap in which at least 40% of the animal's body clears the water, and a lunge as a leap with less than 40% clearance. [2]
A professional diver captured a rare video at the beginning of June of a group of sperm whales 'cuddling'. Kayleigh was having a lucky day using a drone for the first time when she noticed the ...
Right whales are typically 13–17 m (43–56 ft) long and weigh up to 100 short tons (91 t; 89 long tons) or more. All three species are migratory , moving seasonally to feed or give birth. The warm equatorial waters form a barrier that isolates the northern and southern species from one another although the southern species, at least, has ...
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