Peru 'pinger' trial deters dolphins but not whales
A trial of underwater sound devices called pingers reduced the number of dolphins caught in fishing nets—but did not deter humpback whales.
A trial of underwater sound devices called pingers reduced the number of dolphins caught in fishing nets—but did not deter humpback whales.
Ecology
May 12, 2022
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Whale migration season has come again to the East Coast with the first sightings being reported. Every year at this time, humpback whales migrate from feeding grounds in the Southern Ocean to the warm waters of the Coral ...
Plants & Animals
Apr 28, 2022
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Could a volcanic eruption off Mexico's coast unleash a tsunami like the one that devastated Tonga? What really causes tectonic plates to shift and trigger earthquakes? Scientists visited a remote archipelago in search of ...
Earth Sciences
Apr 23, 2022
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Sounds made by humpback whales—including a previously unknown call—have given researchers a glimpse of their lives in the high seas.
Plants & Animals
Apr 21, 2022
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Researchers have developed global forecasts that can provide up to a year's notice of marine heatwaves, sudden and pronounced increases in ocean temperatures that can dramatically affect ocean ecosystems.
Environment
Apr 20, 2022
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All commercial Dungeness crab fishing zones off the California coast will close this month after humpback whales became tangled in fishing gear during their migrating season, wildlife officials said.
Plants & Animals
Apr 11, 2022
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When carbon is emitted into the atmosphere, about a quarter of it is absorbed by the earth's oceans. As the oceans serve as a massive "sink" for carbon, there are changes to the water's pH—a measure of how acidic or basic ...
Plants & Animals
Apr 7, 2022
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Baleen plates—the signature bristle-like apparatus toothless whales use to feed—reveal how these large aquatic mammals adapt to environmental changes over time.
Plants & Animals
Mar 21, 2022
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A humpback whale we tagged while it was feeding off the Western Antarctic Peninsula made a nearly 19,000 km-round trip in 265 days, traveling north from Antarctica to its breeding area off Colombia and back. Whales migrate ...
Plants & Animals
Mar 14, 2022
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Of the roughly 250,000 known marine species, scientists think all ~126 marine mammals emit sounds—the 'thwop', 'muah', and 'boop's of a humpback whale, for example, or the 'boing' of a minke whale. Audible too are at least ...
Plants & Animals
Feb 17, 2022
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