News tagged with false killer whales
Study: False killer whales declining off Hawaii
Apr 03, 2009 |
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(AP) -- The population of false killer whales in waters close to Hawaii appears to have dramatically declined over the past 20 years, a new study says.
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Older killer whales make the best mothers
Biology /
Feb 03, 2009 |
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Killer whales (Orcinus orca) nearing the menopause may be more successful in rearing their young. New research published in BioMed Central's open access journal Frontiers in Zoology shows that estimated survival rates for cal ...
SAfricans begin removing bodies of beached whales
May 31, 2009 |
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(AP) -- Authorities on Sunday began the grim task of removing the carcasses of 55 whales that beached themselves and had to be shot despite the frantic rescue efforts of hundreds of volunteers.
Feds give sea otters habitat protection in Alaska
Oct 08, 2009 |
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(AP) -- Four years after being placed on the Endangered Species List, the dwindling sea otters of southwest Alaska on Wednesday were given an important recovery tool.
Killer whales exhibit 'cultural learning'
Jan 26, 2006 |
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A Canisius College study has found killer whales are among animal species known to demonstrate "cultural learning."
PCBs may threaten killer whale populations for 30-60 years
Sep 10, 2007 |
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Orcas or killer whales may continue to suffer the effects of contamination with polychlorinated biphenyls (PCBs) for the next 30 – 60 years, despite 1970s-era regulations that have reduced overall PCB concentrations ...
Whales are polite conversationalists
Oct 26, 2009 |
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What do a West African drummer and a sperm whale have in common? According to some reports, they can both spot rhythms in the chatter of an ocean crowded with the calls of marine mammals -- a feat impossible for the untrained ...
California water plan aims to save Puget Sound orcas
Jul 05, 2009 |
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A plan to restore salmon runs on California's Sacramento River also could help revive killer whale populations 700 miles to the north in Puget Sound, as federal scientists struggle to protect endangered species in a complex ...
Whale sonar: Two pings are better than one
Mar 04, 2009 |
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Many whale species have sonar systems that send out two pings at once, allowing them to detect underwater objects with greater accuracy than even the most sophisticated human technologies, according to a study ...
Blue whales disturbed by seismic surveys: scientists
Sep 23, 2009 |
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Seismic surveys used for oil and gas prospecting on the sea floor are a disturbance for blue whales, the world's biggest animal and one of its rarest species, biologists reported on Wednesday.
Blue whales singing with deeper voices
Dec 08, 2009 |
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(PhysOrg.com) -- Blue whales, the largest animals on earth, are singing with deeper voices every year, but scientists are unsure of the reason.
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