Volunteers take an oiled little blue penguin out of the pool at the wildlife facility in Tauranga, New Zealand. (Natacha Pisarenko/AP)

The boat crashed during calm weather for unknown reasons, and the ship’s owners Greece-based Costamare Inc gave no explanation for the grounding. However, the weather has since taken a turn for the worse, blocking all repair crews from stopping the spill, the Associated Press reports.