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1 day ago · Additionally, a marine megafauna extinction during the Pliocene was discovered to have eliminated 36% of all large marine species including 55% of marine mammals, 35% of seabirds, 9% of sharks, and 43% of sea turtles.
- †O. megalodon
- †Otodus
5 days ago · “These animals have evolved for millions of years in an ocean that only in the last 150 years — the Industrial Revolution era — has dramatically changed on a pace and on a scale that they ...
2 days ago · Michael Bigg, a Canadian scientist after whom the Bigg’s killer whale is named, first noticed some striking differences between the two groups in the 1970s, the main one being that they never mixed.
4 days ago · The narwhal is a medium-sized whale, with a body length of 3.0 to 5.5 m (9.8 to 18.0 ft), excluding the tusk. [20] [21] Males average 4.1 m (13 ft) in length, while females average 3.5 m (11 ft). Adults typically range between 800 to 1,600 kg (1,800 to 3,500 lb), with males outweighing their female counterparts. [20]
2 days ago · In 2010 four friends, carrying 32kg (71lb) worth of camera equipment, sunk beneath the waves of Sodwana Bay, off the east coast of South Africa. It was then that photographer, Laurent Ballesta ...
1 day ago · The director of the International Marine Mammal Project for the Earth Island Institute, David Phillips, led the efforts to return Keiko to the Iceland waters. Keiko however did not adapt to the harsh climate of the Arctic Ocean , and died a year into his release after contracting pneumonia , at the age of 27. [198]
3 days ago · Researchers have discovered the missing piece of the puzzle behind a rare opening in the sea ice around Antarctica, that occurred during the winters of 2016 and 2017. It reveals a key process that had eluded scientists as to how the opening, called a polynya, was able to form and persist for several weeks. The results were published on May 1 in ...
