Birds have already been found dead in an oil slick near a 780-foot container ship stranded on a New Zealand reef. Now there are fears the ship could break up in bad weather, as authorities battle to disperse oil leaking from the vessel.

The Rena was carrying about 1,700 tons of heavy fuel oil and about 70 tons of marine diesel when it ran aground Wednesday.

A 3 mile oil slick that has already killed some wildlife.

Click here for a report with images of the stricken vessel and the slick.

Click here for a report by the New Zealand Herald on the salvage attempts.