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Orcasphere » Natural history
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Natural history Archive

How NZ orcas hunt sharks


I was most impressed by this underwater photograph taken by Ingrid Visser of a New Zealand killer whale pursuing a mako shark. The associated article from the Daily Mail describes hunting techniques that smack of likely Southern Resident tactics: collaborative herding and stunning blows from the flukes. I wonder: does she have recordings of the [...]

Bob Pitman talk on Antarctic orcas Nov. 18, 2009


It was like watching a lecture by a 19th century anthropologist just back from a scientific expedition deep in the Amazon jungle, enthralling the audience with incredible tales of outlandish natives and their curious customs.

Columbia River sea otters after 100y?


Interesting that the WA sea otters (a transient orca food source?) may be expanding their range from the NW coast of the Olympic Peninsula. Though the Salish Sea habitat is certainly appropriate for them, they apparently are rarely seen east of a line between Port Angeles and Race Rocks. Reference http://www.vetmed.ucdavis.edu/whc/seadoc/pdfs/VanBlaricom01.pdf clipped from www.dailyastorian.com The [...]

Orcinus orca: our neighbors with fins


The context: The best kept secret in all civilizations is that we are animals! We are medium-sized mammals, who just happen to have evolved the ability and the need to construct vast symbolic systems to define ourselves, and now we can’t see our way out of our own systems, so we fight each other to [...]