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This is an accepted version of this page This is the latest accepted revision, reviewed on 7 January 2025. Taxonomic group of semi-aquatic mammals Pinnipeds Temporal range: Latest Oligocene – Holocene, 24–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Clockwise from top left: Grey seal (Halichoerus grypus), Steller sea lion (Eumetopias jubatus), New Zealand fur seal (Arctocephalus forsteri), walrus ...
[citation needed] Unlike other pinnipeds, the ribbon seal lacks the lobes that divide the lungs into smaller compartments. [7] The ribbon seal can grow to a length of about 1.6 m (5.2 ft) and a weight of 95 kg (209 lb), with males being larger than females. The main predators of ribbon seals include great white sharks and orcas. [8]
Seals may move further inland and rest in sand dunes or vegetation, and may even climb cliffs. [34]: 96 Most cetaceans live in the open ocean, and species like the sperm whale may dive to depths of −1,000 to −2,500 feet (−300 to −760 m) in search of food. [35]
It was first photographed by Chris Fallows and Rob Lawrence who developed the technique of towing a slow-moving seal decoy to trick the sharks to breach. [150] Between April and September, scientists may observe around 600 breaches. The seals swim on the surface and the great white sharks launch their predatory attack from the deeper water below.
The skull of the leopard seal. The leopard seal has a distinctively long and muscular body shape when compared to other seals. The overall length of adults is 2.4–3.5 m (7.9–11.5 ft) and their weight is in the range 200 to 600 kilograms (440 to 1,320 lb), making them the same length as the northern walrus but usually less than half the weight.
The Australian scientists put LED lights in striped patterns on seal decoys to deter great white sharks. The method was found to be effective. But, there are hundreds of species of shark in ocean ...
The earless seals, phocids, or true seals are one of the three main groups of mammals within the seal lineage, Pinnipedia. All true seals are members of the family Phocidae (/ ˈ f oʊ s ɪ d iː /). They are sometimes called crawling seals to distinguish them from the fur seals and sea lions of the family Otariidae.
Swimming has been banned in parts of Nantucket Island, Massachusetts, after great white sharks were seen attacking and killing seals "very close to the shore," officials said.