Behavior
Many people love to watch the movements of the Pacific white sided dolphin. They are very agile so they are often seen doing a variety of acrobatics in the water. They can also make huge leaps as they come out of the water for air and then dive back down into it. Other moves they can perform include somersaults and belly flops.
They tend to form groups of up to 100 of them. They seem to get along well with each other and the groups have very young, the very old, and everything in between found in them. There are also both males and females in a give group of these dolphins. They have also been seen along side other species of dolphins and whales without any problems. This generally will occur when they are sharing the same areas for feeding.
Diet and Feeding
They love to feed on squid which makes up the primary portion of their diet. They will also consume a variety of fish. Some of the common ones include herring, sardines, and anchovies. They mainly engage in their feeding during the night time when the schools of fish are closer to the surface of the water.
Reproduction
Pacific white sided dolphins become mature enough for sexual activity when they reach a length of about 5 ½ to 6 feet for males and about 6 feet for females. They will mate late in the fall and it takes about a full year for the offspring to be born. The young will be fed milk from the mother for the first year of life. She will continue to care for it for 2 or 3 years and then be ready to mate again.
(source:google/http://www.dolphins-world.com/)
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