Hi Emily, This behavior is quite common in Santa Monica Bay even if sea lions usually forage more with common dolphins than bottlenose dolphins in this area. I wrote a publication about sea lion and dolphin aggregations during feeding activities in the bay back in 2006 entitled:
Bearzi, M. 2006. California sea lions use dolphins to locate food. Journal of Mammalogy 87(3):606617. I also have photos and videos of these animals feeding together on sardines or anchovies. You can download the PDF of the publication from the Ocean Conservation website at http://www.oceanconservation.org/research/publications.htm Please, feel free to share this information with any Marmam member. Sincerely, Maddalena Bearzi Maddalena Bearzi, Ph.D. Ocean Conservation Society, President P.O. Box 12860 Marina del Rey, CA 90295 - USA ph.310.8225205, fax 310.8225729 [email protected] http://www.oceanconservation.org
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