Marine biologists are beginning to understand the varied diving and foraging strategies of filter-feeding whales by analyzing data from multisensor tags attached to the animals with suction cups. Such tags, in combination ...
Plants & Animals
Jan 9, 2013
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(Phys.org)—Researchers in New Zealand have found that the pygmy right whale (Caperea marginata) is not a right whale at all but is instead a member of the cetotheres family of baleen whales, which until now have been believed ...
According to a NOAA-led paper published today in the journal Conservation Biology, high levels of background noise, mainly due to ships, have reduced the ability of critically endangered North Atlantic right whales to communicate ...
Plants & Animals
Aug 15, 2012
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For decades, scientists have known that dolphins and other toothed whales have specialized fats associated with their jaws, which efficiently convey sound waves from the ocean to their ears. But until now, the hearing systems ...
Plants & Animals
Apr 17, 2012
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Bottlenose dolphins have whistles which they use to exclusively greet other members of their species, marine biologists in Scotland reported on Wednesday.
Plants & Animals
Feb 29, 2012
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Animals from very different groups that developed independently into plankton-eating giants took similar evolutionary steps along the way, new research shows.
Plants & Animals
Feb 15, 2012
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The steady drone of motors along busy commercial shipping lanes not only alters whale behaviour but can affect the giant sea mammals physically by causing chronic stress, a study published Wednesday has reported for the first ...
Plants & Animals
Feb 8, 2012
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Killer whales (Orcinus orca) are the top marine predator, wherever they are found, and seem to eat everything from schools of small fish to large baleen whales, over twice their own size. The increase in hunting territories ...
Plants & Animals
Jan 30, 2012
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Skewed skulls may have helped early whales discriminate the direction of sounds in water and are not solely, as previously thought, a later adaptation related to echolocation. University of Michigan researchers report the ...
Archaeology
Aug 22, 2011
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(PhysOrg.com) -- Erich Fitzgerald, an Australian paleontologist, believes he has found the missing link between ancient toothed whales that caught and ate fish and modern baleen whales that eat by sucking in huge volumes ...
