Search Results for: foraging

J’s near Davidson

Posted on July 10, 2008 by | Leave a comment

48 25.46N 122 45.48W 1519 Moving sporadically toward Davidson Rock. Lots of breeching, and a few spy-hops. The pod was traveling in three groups, all within a mile of each other, alternating between 8-9kt travel and what looked like foraging … Continue reading →

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Southern resident “ceremony” 10/4/05 (video, photos)

Posted on May 16, 2006 by | 7 Comments

One of the most remarkable behaviors of the southern residents is the “greeting ceremony” in which two groups of orcas line up facing each other and then mingle together. This article describes a similar “ceremony” acoustically and visually (video; photo … Continue reading →

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Brad Hanson on orca diet

Posted on July 4, 2005 by | Leave a comment

Monster Jam, Brad Hanson, 07/04/05 Diet of southern resident killer whales Inferences from prey samples and sensors deployed on killer whales Time-depth-recorder deployments in southern residents Baird and Hansen+? (2005) J Canadian Zoology 40 deployments from 1993-2002 ~10.5 minutes median … Continue reading →

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Posted in fish, Research, Salmon, Southern resident natural history