The oil slick from Rena, the stranded cargo vessel, has become more serious than officials first thought.
Four birds have been found dead so far and more are expected to follow as fuel oil continues to spread.
Forest and Bird is keeping a close eye on the situation but says it couldn't have come at a worse time with the breeding season just beginning.
Forest and Bird’s marine advocate Karen Baird spoke to Firstline this morning.
Click ‘view video’ to watch the full report.
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