News tagged with porpoises
Porpoise is 2nd to give birth in captivity
May 08, 2009 |
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A porpoise at Harderwijk dolphin centre in the Netherlands has become only the second to give birth in captivity, the centre announced, but the happy event leaves an enigma: is it a boy or a girl?
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Dolphin population at risk in Britain
Biology /
May 16, 2007 |
5 / 5 (4) |
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A report from the Wildlife Trusts and an animal charity has found that commercial fishing in Britain is placing the regional dolphin population at risk.
Genetic sex determination let ancient species adapt to ocean life
Sep 16, 2009 |
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(PhysOrg.com) -- A new analysis of extinct sea creatures suggests that the transition from egg-laying to live-born young opened up evolutionary pathways that allowed these ancient species to adapt to and thrive ...
Study shows rise in Cornwall's dolphin, whale and porpoise deaths
Jul 07, 2008 |
3.4 / 5 (5) |
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Four weeks on from the shocking incident that led to the death of 26 dolphins near Falmouth, research sheds new light on the extent of the problems facing Cornwall's marine mammals.
Scientists fear rare dolphin driven to extinction by human activities
Biology /
Sep 11, 2007 |
4 / 5 (2) |
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An international research team, including biologists from NOAA Fisheries Service, has reported in an online scientific journal that it had failed to find a single Yangtze River dolphin, or baiji, during a six-week survey ...
Triangles Go Underwater and Supersonic
Jun 30, 2009 |
3.3 / 5 (7) |
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(PhysOrg.com) -- The seemingly effortless way dolphins and porpoises slice through the water and the unique capabilities of the supersonic Concorde airplane have more in common than one might think.
Whales and dolphins in hot water
Jun 01, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- More whales, dolphins and porpoises than was previously thought could be at risk from the effects of climate change, according to a new study.
Getting a leg up on whale and dolphin evolution
Sep 24, 2009 |
4.3 / 5 (7) |
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When the ancestors of living cetaceans—whales, dolphins and porpoises—first dipped their toes into water, a series of evolutionary changes were sparked that ultimately nestled these swimming mammals into the ...
Persistent man-made chemical pollutants found in deep-sea octopods and squids
Jun 09, 2008 |
4.5 / 5 (8) |
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New evidence that chemical contaminants are finding their way into the deep-sea food web has been found in deep-sea squids and octopods, including the strange-looking "vampire squid". These species are food for deep-diving ...
Giant ocean sunfish seen off Cornish coast
Biology /
Jul 25, 2006 |
3.4 / 5 (9) |
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An aerial survey has reportedly detected a sudden influx of the world's largest bony fish -- the giant ocean sunfish -- into Cornwall's coastal waters.
Blue whales disturbed by seismic surveys: scientists
Sep 23, 2009 |
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4
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.
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