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Evidence suggests that pinnipeds evolved from a bear-like land animal that hunted in the water for food. How many are there? There are more than 30 species of seals worldwide. What do they eat? Seals are carnivorous and dive underwater to hunt for fish, crustaceans, seabirds, and other marine animals.
Jan 27, 2016 · The night approaches quickly. A harbor seal plunges into the water, diving deep as the sunlight recedes. Through the dark, turbid waters, she searches for fish. Suddenly, the whiskers on her right cheek begin vibrating. And she’s off. Heather Beem is closely examining seal whiskers for insights to design new…
Feb 25, 2021 · The abyssal zone, or the abyss, is the seafloor and water column from 3,000 to 6,500 meters (9,842 to 21,325 feet) depth, where sunlight doesn’t penetrate.
Jul 3, 2007 · For years, sperm whales and elephant seals were thought to hold world records for holding their breath under water. But those animals have nothing on beaked whales. Using digital tags temporarily suction-cupped to two species of beaked whales, researchers led by scientists at Woods Hole Oceanographic Institution tracked Cuvier’s beaked…
An adult male Mediterranean monk seal swims through a national park in Madeira, which is home to one of three remaining populations.
May 19, 2008 · Until now, what happened in the depths, where many whales hunt, stayed there. A new study has revealed that pilot whales are “the cheetahs of the deep sea,” making 15-minute, high-speed, all-or-nothing dives up to 3,280 feet (1,000 meters) deep to chase and catch large squid, before surfacing to catch their breath.
Aug 21, 2008 · The study, published online Aug. 20 in the journal Diseases of Aquatic Organisms, also included Julie Ellis of the Tufts University Cummings School of Veterinary Medicine; Katie Pugliares of the Cape Cod Stranding Network and International Fund for Animal Welfare; and Betty Lentell of the National Marine Fisheries Service.
Dec 1, 2020 · Cetaceans, the dolphins, porpoises and whales that spend all of their lives in the ocean, include both toothed species that are carnivorous predators, and filter-feeding baleen whales that consume huge quantities of tiny plankton. In size, marine mammals range from small seals and porpoises to the largest animal that has ever lived, the blue whale.
Sea ice is frozen seawater floating on the surface of the ocean. Sea ice is formed entirely in the ocean, unlike icebergs, which originate from land-based sources.
The midnight zone, or bathypelagic, extends to about 4,000 meters (about 13,100 feet), which reaches the ocean floor in many places is in perpetual darkness.
