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Eschrichtiidae or the gray whales is a family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (Eschrichtius robustus), as well as four described fossil genera: Archaeschrichtius (), Glaucobalaena and Eschrichtioides from Italy, [1] [2] and Gricetoides from the Pliocene of North Carolina. [3]
The bones were first found in 1961 by a father and son, Masato and Yoshio Tajima, in a riverbed in Akishima, Tokyo, lending it the nickname of the Akishima whale. [ 1 ] [ 2 ] It was prepared by locals, under the mentorship of Hiroshi Ozaki, and subsequently put into storage at the National Museum of Nature and Science until it was transferred ...
Balaenoptera (from Latin balaena 'whale' and Ancient Greek πτερά (pterá) 'fin') is a genus of rorquals containing eight extant species. [2] Balaenoptera comprises all but two of the extant species in its family (the humpback whale and gray whale); the genus is currently polyphyletic, with the two aforementioned species being phylogenetically nested within it.
Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 tonnes (210 short tons) blue whale, which is the largest known animal that has ever lived. The sperm whale is the largest toothed predator on Earth.
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The adaptation of animal echolocation in toothed whales distinguishes them from fully aquatic archaeocetes and early baleen whales. The presence of baleen in baleen whales occurred gradually, with earlier varieties having very little baleen, and their size is linked to baleen dependence (and subsequent increase in filter feeding).
Kacey Musgraves had some choice words for a handsy fan at her recent performance.. Video on TikTok went viral of the singer’s Tampa, Florida, concert on Friday, where she walked through the ...
Tom Kim apologized on social media Monday after he damaged his locker room door following a playoff loss at the DP World Tour’s Genesis Championship in South Korea on Sunday.