Data

Royal Penguins at Macquarie Island

data.gov.au
Australian Ocean Data Network (Owned by)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.gov.au/data/dataset/3116de3b-f104-4967-9cb8-c589e4990777&rft.title=Royal Penguins at Macquarie Island&rft.identifier=royal-penguins-at-macquarie-island&rft.publisher=data.gov.au&rft.description=GET DATA - Download page for Australian Antarctic Data CentreVIEW RELATED INFORMATION - Citation reference for this metadata record and datasetCreative Commons by Attribution logo - This dataset contains the results from surveys of Royal Penguins (Eudyptes schegeli) on Macquarie Island. The surveys were conducted between May 1984 and January 1985. The total number of Royal penguins breeding on Macquarie Island is estimated at 848,719 pairs (+/-10.5%). The sizes and locations of all 57 colonies are given. The results are listed in the documentation.\nAll Royal penguins breeding at Macquarie Island were allocated to one of 57 colonies identified by locations and varying in size from 75 breeding pairs to over 160,000 breeding pairs. The mean number of nests in the Lower Sandy Bay plots was 2.43/m2 (range at 95% confidence limits 2.32-2.54). The occupied area given for Hurd Point colony has been reduced by 5% from that surveyed to allow for two areas included in the survey which were subsequently found not to be used by breeding birds in the 1984-85 season. The variation in the difference between the lower and upper estimates of individual colonies given in Table 2 ranges from 17% to 50%. This was mainly due to the extreme variability of the terrain and/or the degree of association with Rockhopper penguins. The number of breeding pairs calculated for the colonies surveyed through the winter was 487,932 (range 465,838 - 510,014). The total estimated for the unsurveyed colonies was 360,787 (range 294,100 - 427,475) breeding pairs. The total estimated number of breeding pairs of Royal penguins on Macquarie Island is 848,719 +/- 10.5% (range 759,938 - 937,489).\nThe dataset includes two text files (csv format) detailing the number of breeding pairs at each colony, and an sketch map of Macquarie Island detailing the locations of the colonies.\nThe fields in this dataset are:\nColony\nArea\nRange\nBreeding Pairs&rft.creator=Australian Ocean Data Network&rft.date=2025&rft.coverage=158.0,-55.0 159.0,-55.0 159.0,-54.0 158.0,-54.0 158.0,-55.0&rft.coverage=158.0,-55.0 159.0,-55.0 159.0,-54.0 158.0,-54.0 158.0,-55.0&rft_rights=notspecified&rft_subject=AMD&rft_subject=AMD/AU&rft_subject=AREA&rft_subject=BREEDING PAIRS&rft_subject=CEOS&rft_subject=COLONY&rft_subject=ANIMALS/VERTEBRATES&rft_subject=EARTH SCIENCE&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=BIRDS&rft_subject=PENGUINS&rft_subject=FIELD SURVEYS&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=MACQUARIE ISLAND&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=OCEAN > SOUTHERN OCEAN > MACQUARIE ISLAND&rft_subject=RANGE&rft_subject=ROYAL PENGUIN&rft_subject=SOUTHERN OCEAN&rft.type=dataset&rft.language=English Access the data
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Brief description

This dataset contains the results from surveys of Royal Penguins (Eudyptes schegeli) on Macquarie Island. The surveys were conducted between May 1984 and January 1985. The total number of Royal penguins breeding on Macquarie Island is estimated at 848,719 pairs (+/-10.5%). The sizes and locations of all 57 colonies are given. The results are listed in the documentation.
All Royal penguins breeding at Macquarie Island were allocated to one of 57 colonies identified by locations and varying in size from 75 breeding pairs to over 160,000 breeding pairs. The mean number of nests in the Lower Sandy Bay plots was 2.43/m2 (range at 95% confidence limits 2.32-2.54). The occupied area given for Hurd Point colony has been reduced by 5% from that surveyed to allow for two areas included in the survey which were subsequently found not to be used by breeding birds in the 1984-85 season. The variation in the difference between the lower and upper estimates of individual colonies given in Table 2 ranges from 17% to 50%. This was mainly due to the extreme variability of the terrain and/or the degree of association with Rockhopper penguins. The number of breeding pairs calculated for the colonies surveyed through the winter was 487,932 (range 465,838 - 510,014). The total estimated for the unsurveyed colonies was 360,787 (range 294,100 - 427,475) breeding pairs. The total estimated number of breeding pairs of Royal penguins on Macquarie Island is 848,719 +/- 10.5% (range 759,938 - 937,489).
The dataset includes two text files (csv format) detailing the number of breeding pairs at each colony, and an sketch map of Macquarie Island detailing the locations of the colonies.
The fields in this dataset are:
Colony
Area
Range
Breeding Pairs

Full description

GET DATA - Download page for Australian Antarctic Data Centre
VIEW RELATED INFORMATION - Citation reference for this metadata record and dataset
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158,-55 159,-55 159,-54 158,-54 158,-55

158.5,-54.5

158,-55 159,-55 159,-54 158,-54 158,-55

158.5,-54.5

Subjects
AMD | AMD/AU | ANIMALS/VERTEBRATES | AREA | BIOLOGICAL CLASSIFICATION | BIRDS | BREEDING PAIRS | CEOS | COLONY | EARTH SCIENCE | FIELD SURVEYS | GEOGRAPHIC REGION > POLAR | MACQUARIE ISLAND | OCEAN > SOUTHERN OCEAN | OCEAN > SOUTHERN OCEAN > MACQUARIE ISLAND | PENGUINS | RANGE | ROYAL PENGUIN | SOUTHERN OCEAN |

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