Scientific Name: Ardenna pacifica
Malay Name: Itik-itik Dahi Putih
Chinese Name: 楔尾鹱
Range: Ranges throughout the tropical Pacific Ocean and Indian Ocean.
Identification: Dark morph with dark brown plumage throughout, distinguished from Short-tailed Shearwater by longer toe extension past tail and proportionally longer bill to head ratio. Pale morph with dark brown upperparts, from regionally expected (but still unrecorded) Streaked Shearwater by lack of white on face and presence of black borders on leading edge of the underwing.
Habitat: Open seas.
Behaviour/Ecology: Flight direct, consisting of rapid wing beats interspersed between long glides.
Local Status: Vagrant
Conservation Status: Least Concern (BirdLife International 2018)
- Bird List Revision for July 2021 (Revisions)
- Measurements of the 23 June 2021 Wedge-tailed Shearwater in Bishan (ID Articles)
Migrant bar chart (see more bar charts):
Wedge-tailed Shearwater Ardenna pacifica Average number of individuals by week based on Singapore Bird Database data, Jul 2013 to Jun 2023 (all records)
BirdLife International. (2018). Ardenna pacifica. The IUCN Red List of Threatened Species 2018. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T22698175A132631353.en. Accessed on 1 January 2023
Bird Society of Singapore. (n.d.). Wedge-tailed Shearwater. Retrieved on December 4, 2023 from https://singaporebirds.com/species/wedge-tailed-shearwater.