Between 2009 and 2011, the team of scientists from tested nasal swabs from more than 900 marine mammals from 10 different species off the Pacific Coast from Alaska to California.

They detected H1N1 infection in two northern elephant seals and antibodies to the virus in an additional 28 elephant seals, indicating more widespread exposure. None of the infected seal showed any clinical signs of illness

In a new study, scientists have revealed the diving behaviour of sharks appears to be influenced by the moon, water temperature and time of day. The study was conducted with grey reef sharks, a species commonly found on coral reefs in northern Australia and the Indo-Pacific. Tagged near Palau, about 40 grey reef sharks consisting mostly of adults of females were followed by scientists from UWA and the Australian Institute of Marine Science, who recorded their movement and diving patterns over a two-year period.