 2011)

They may feed at night or during the day (unlike albatrosses which do not feed at night) (Imber 1976).Birds will aggressively follow fishing boats and long line hooks and may dive up to 20m below the surface after baits (Imber 1976).Black petrels can cover amazing distances – the longest recorded foraging trip for a bird from Great Barrier Island is 39 days (Bell et al.