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December, 3rd 2016
Most marine mammals feed underwater and far from shore, so visual observation of feeding is rarely possible. To address this problem we have been working to develop new electronic instruments that we attach to individuals to measure their underwater behavior, especially prey consumption and energy expenditure. But recording behavior by attaching biotelemetry instruments to animals often has an effect on the behavior we are interested in, so we are also attempting to quantify that effect and learn how reduce it.