Gull ? Dull

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Gull ? Dull
Jacek Krzyzosiak, Mel Galbraith and Glenn Aguilar
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MapOfRangitotoGullColonies.kmz
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Southern Black-backed gull (Larus dominicanus)
Maori name Karoro The largest of New Zealand
gulls with the wingspan of up to 142cm Breeds
throughout southern hemispherein costal and
alpine environments It is a sedentary rather
than pelagic species They live up to 28 years
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Where do they get their meat from?
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Types of food remains found in regurgitated
pellets
Type of food fish crab chiton bivalve snail limpet starfish small bird large bird small mammal butchered mammal chicken
Frequency in pellets (out of 255) 48 17 16 15 7 1 1 22 12 4 44 68
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Maori used tamed Karoro as a bio-control agent to
save kumara crops from anuhe or Kumara moth
caterpillars.
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Have a great holiday, and if you find it
challenging back at school take inspiration from
the tenacity of the Pohutukawa seedlings that
grow on bare, hot and dry Rangitoto rocks and
still produce beautiful blossoms around Christmas
time.
Kia Kaha
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Acknowledgments
The Royal Society of New Zealand Unitec
Institute of Technology Onehunga High
School Department of Conservation Motutapu
Restoration Trust tena koutou