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Bottlenose Dolphins in Santa Monica Bay

07 Mar

I was treated to a display of 15-20 Bottlenose Dolphins that were feeding very close to the shore off Dockweiler Beach in Playa del Rey this past weekend. I don’t often see Dolphins that close to shore and certainly not that many at one time. At times they were huddled up in groups of 5 just waiting for a nice set and riding it toward the shore!

Bottlenose Dolphin

According to an article published by Maddalena Bearzi and Charles A. Saylan of the Ocean Conservation Soceity, 81.4% of Dolphin sightings during their study of Santa Monica Bay were within 0.5km of the shoreline.

Bottlenose Dolphin

Cetacean occurrence, distribution and behavior were investigated in Santa Monica Bay and nearby areas, California (1997–2007). A total of 425 boat-based surveys documented three species inhabiting the study area year-round – the common bottlenose dolphin, Tursiops truncatus, the long-beaked common dolphin, Delphinus capensis, and the short-beaked common dolphin, D. delphis, and ten species occurring occasionally. Coastal bottlenose dolphins were mostly found traveling, diving and feeding in waters within 0.5km of shore in 81.4% of the sightings (n  =  221), but were also observed occasionally in offshore waters. All other species were seen > 0.5 km of shore, often feeding near escarpments and submarine canyons. Endangered species, such as blue whales (Balaenoptera musculus) and humpback whales (Megaptera novaeangliae), were also recorded in the study area. This paper provides new information as well as an update on data of the composition for the local cetacean community, and offers information that should be considered in the decision-making process associated with the newly established MPAs, and their use. The presence of a diverse cetacean fauna moving in and out the boundaries of these MPAs, also suggests the need for long-term and regular cetacean monitoring in the area.

Bottlenose Dolphin

Bottlenose Dolphin

Bottlenose Dolphin

Bottlenose Dolphin

 

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  1. WinstonPilates

    June 19, 2012 at 12:23 am

    Wow, what an incredible sight! Our studio is just off Santa Monica beach and we’ve never been treated to such an amazing sight. They look so at ease! Maybe it was a sightseeing tour of Santa Monica bay for dolphins. Thanks for sharing your shots.

     
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