marine mammals

marine mammals

mammals inhabiting the sea; generally taken to include the cetaceans (whales, porpoise, dolphin), the sirenians (sea-cows, including manatees and dugong) and the pinnipeds (the carnivores of the group, seals, sealions, walruses). Other mammals that spend a great deal of time in the water but are not classified as marine mammals are the polar bear and the sea otter.
References in periodicals archive ?
This includes protecting estuaries from sediment pollution, avoiding plastic pollution of the oceans, and ensuring fishing doesnt kill protected seabirds and marine mammals.
NOISE POLLUTION AND ITS EFFECTS ON MARINE MAMMALS 1033
Taking part in whale rescue operations requires immense bravery and a passion for the welfare of marine mammals.
Between 2005 and 2016, there were 692 such incidents documented by the Philippine Marine Mammals Stranding Network (PMMSN), which sends rescue teams and then initiates treatment and rehabilitation.
The National Marine Fisheries Service said Thursday it renewed the Navy's five-year permit after concluding underwater explosions, sonar activity and other exercises would cause mostly short-term, low-level effects to marine mammals such as orcas and humpback whales protected under federal law, AP reported.
Underwater microphones are being affixed on buoys anchored to the ocean floor to record sounds continuously--those produced by large whales and other marine mammals.
Other related recent technological advances include using MOS to display and track views and locations from a small unmanned aerial vehicle equipped with a high resolution camera to track and view marine mammals in real-time via internet/satellite.
Listeners have proposed sources from military hardware to marine mammals such as minke whales.
Washington, May 2 ( ANI ): A new study has found that killer whales and other marine mammals are likelier to hear sonar signals more than we've known.
Aside from strandings, biologists are concerned marine mammals could suffer prolonged stress from changes in diving, feeding and communication.

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