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The blue whale is the largest animal known ever to have existed. [42] [43] [44] Some studies have estimated that certain shastasaurid ichthyosaurs and the ancient whale Perucetus could have rivalled the blue whale in size, with Perucetus also being heavier than the blue whale with a mean weight of 180 t (180 long tons; 200 short tons).
The largest elephant ever recorded was shot in Angola in 1974. It was a male measuring 10.67 metres (35.0 ft) from trunk to tail and 4.17 metres (13.7 ft) lying on its side in a projected line from the highest point of the shoulder, to the base of the forefoot, indicating a standing shoulder height of 3.96 metres (13.0 ft).
The largest animal currently alive is the blue whale. The maximum recorded weight was 190 tonnes (209 US tons) for a specimen measuring 27.6 metres (91 ft), whereas longer ones, up to 33 metres (108 ft), have been recorded but not weighed. [11] [12] [13] It is estimated that this individual could have a mass of 250 tonnes or more.
Researchers in Cambridge used very high resolution satellite images from Maxar Technologies to capture the biggest mass stranding of baleen whales yet recorded. Jennifer Jackson from the British ...
A male humpback whale made one of the longest and most unusual migrations on record for the species, an anomaly scientists say might be linked to climate change. The whale was first sighted in ...
A humpback whale has stunned scientists with a journey that spanned three oceans and more than 8,000 miles, setting the record for the longest known migration between breeding grounds.
The largest orca ever recorded was a male off the coast of Japan, measuring 9.7 m (32 ft) long and weighed 10 tonnes. [37] The orca is the largest oceanic dolphin . The largest porpoise is the Dall's porpoise ( Phocoenoides dalli ), at up to 220 kg (490 lb) and 2.3 m (7.5 ft) in length.
Livyatan is the largest fossil sperm whale discovered, and was also one of the biggest-known predators, having the largest bite of any tetrapod. [1] [8] Diagram comparing the upper and lower size estimates of Livyatan (bottom three) with the size of mature sperm whales, including one of the largest individuals recorded (top three), and a human