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Short-tailed shearwater migration Ardenna tenuirostris
▶ Follow the short-tailed shearwater across the big globe
Press ▶ to play the year. Line: a simplified typical route, joining the main cluster of GBIF records in each month (adjusted for observer effort).
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| Scientific name | Ardenna tenuirostris |
|---|---|
| Wingspan | 95.5 cm |
| Adult weight | 544 g (adult) |
| IUCN status | Least concern |
| Records mapped | 87,202 (GBIF) |
| GPS / geolocator tracks | none with an open licence yet |
Facts from Wikidata Q27074605 (CC0).
Migration in the data
87,202 GBIF records (CC0 and CC BY 4.0 licences only) are mapped here, in 1.41° grid cells, month by month.
In the Pacific, the centre of the records (adjusted for observer effort) is furthest north in August (about 59°N) and furthest south in February (about 54°S).
More than half of the effort-adjusted signal there is south of the Equator in: January, February, March, April, October, November, December.
Month by month: centre of records in the Pacific
| Month | Centre (latitude) | South of the Equator |
|---|---|---|
| January | 51°S | 100% |
| February | 54°S | 100% |
| March | 50°S | 100% |
| April | 26°S | 72% |
| May | 37°N | 13% |
| June | 48°N | 4% |
| July | 57°N | 1% |
| August | 59°N | 1% |
| September | 55°N | 4% |
| October | 31°S | 86% |
| November | 42°S | 98% |
| December | 46°S | 99% |
Tracked birds
No openly licensed (CC0 / CC BY) tracking data package for this species was found in the Movebank Data Repository yet, so only records are shown.
About the short-tailed shearwater
The short-tailed shearwater or slender-billed shearwater, also called yula or moonbird, and commonly known as the muttonbird both in early Australia and in New Zealand, is the most abundant seabird species in Australian waters, and is one of the few Australian native birds in which the chicks are commercially harvested. …
From the Wikipedia article “Short-tailed shearwater” (revision 1378979342), CC BY-SA 4.0.
Sources
GBIF occurrence records, licence CC0 1.0 or CC BY 4.0 only, observations only (no specimens), filtered with: taxonKey=5229359&license=CC0_1_0&license=CC_BY_4_0&occurrenceStatus=PRESENT&hasGeospatialIssue=false&basisOfRecord=HUMAN_OBSERVATION&basisOfRecord=MACHINE_OBSERVATION&basisOfRecord=OBSERVATION. Monthly queries: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. GBIF.org (23 October 2026) occurrence data accessed via the GBIF API; a GBIF download DOI is still to be added. Contributing datasets.