Almost gull-like, this grey and white seabird is related to the albatrosses.  It flies low over the sea on stiff wings, with shallow wing beats, gliding and banking to show its white under parts then grey upper parts.

At its breeding sites it will fly high up the cliff face, riding the up draughts.  They will feed in flocks out at sea and defend their nests from intruders by spitting out foul-smelling oil.

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