Species of Thailand
Thai: นกจมูกหลอดหางสั้น, nok ja-mook lod hang san
Binomial name: Ardenna tenuirostris, Coenraad Jacob Temminck, 1836
The short-tailed shearwater or slender-billed shearwater (Ardenna tenuirostris; formerly Puffinus tenuirostris), also called yolla or moonbird, and commonly known as the muttonbird in Australia, 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. It is a migratory species that breeds mainly on small islands in Bass Strait and Tasmania and migrates to the Northern Hemisphere for the boreal summer.
This species appears to be related to the sooty shearwater and the great shearwater, which are also blunt-tailed, black-billed species, but its precise relationships are obscure (Austin, 1996; Austin et al., 2004). These are among the larger species of shearwater, which have been moved to a separate genus, Ardenna based on a phylogenetic analysis of mitochondrial DNA (Penhallurick & Wink, 2004).
Each parent feeds the single chick for 2–3 days and then leaves for up to three weeks in search of food. These foraging trips can cover a distance of 1, 500 km (930 mi) and mean the chick may be left unattended for over a week. When the chicks fledge they weigh around 900 g (2 lb), and may be heavier than their parents. In Tasmania, and especially on the muttonbird islands of the Furneaux Group, the chicks are harvested at this time for food and oil. The largest population in the world (2.8 millions of pairs - about 12% of this species) seems to be located on Babel Island. Adult birds foraging for food on the open ocean mistake plastic debris for food and then feed it to their chicks. This ingested plastic, as well as other factors, likely contribute to contamination of chicks.
Thousands of Short-tailed shearwater fledglings are attracted to artificial lights during their maiden flights from nests to the open ocean. Fledglings are vulnerable to injury or death by collisions with human infrastructure and once grounded, to predation or becoming road casualties.
Each austral winter, the shearwaters migrate to the seas off the Aleutian Islands and Kamchatka. In the austral spring, they travel down the coast of California before crossing the Pacific back to Australia.
Being a seabird, the flesh is covered in a considerable quantity of fat, which is normally removed in preparation of the meat before cooking.
When split down the breast and cooked on a barbecue, the resultant meat is red and thick, with a taste reminiscent of a beef steak more than of lamb, with a mild hint of the sea. The texture of the meat is similar to lamb or mutton and hence the name muttonbird.
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Videos of Short-tailed shearwater
- Ardenna tenuirostris
- Thai: นกจมูกหลอดหางสั้น, nok ja-mook lod hang san
- Ardenna tenuirostris tenuirostris, Les Christidis & Walter E. Boles (2008)
- Puffinus tenuirostris, Coenraad Jacob Temminck (1835)
Least Concern (IUCN3.1)
- Hat Noppharat Thara - Mu Ko Phi Phi National Park
Range map of Ardenna tenuirostris in Thailand
Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.
Special thanks to Ton Smits, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data.
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