MacGillivray's prion

MacGillivray's prion (Pachyptila macgillivrayi) is a species of small petrels of the Southern Ocean. It is found on Roche Quille, off Saint Paul Island and on Gough Island in the Tristan da Cunha group, south-central Atlantic Ocean. It was formerly present on Amsterdam Island in the central South Indian Ocean. The population on Saint Paul Island has been increasing since the 1990s eradication of introduced rats and rabbits, but is still likely smaller than the original size.[2]

MacGillivray's prion
A possible MacGillivray's Prion
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Procellariiformes
Family: Procellariidae
Genus: Pachyptila
Species:
P. macgillivrayi
Binomial name
Pachyptila macgillivrayi
(Mathews, 1912)

MacGillivray's prion was formerly considered to be conspecific with Salvin's prion but is now considered to be a separate species based on a molecular phylogenetic analysis and a comparison of the bill morphologies that was published in 2022.[3][4]

MacGillivray's prions moult for longer than other prion species.[2]

Their diet and foraging habits are generally unknown, but they are hypothesized to feed on small zooplankton.[2]

References
  1. BirdLife International (2022). "Pachyptila macgillivrayi". IUCN Red List of Threatened Species. 2022: e.T104062579A198532259. Retrieved 22 August 2022.
  2. Delord, K; Cherel, Y; Roy, A; Bustamante, P; Swadling, KM; Weimerskirch, H; Bost, CA; Barbraud, C (2022-09-22). "At-sea behavioural ecology of the endangered MacGillivray's prion from Saint Paul Island: combining tracking and stable isotopes". Marine Ecology Progress Series. 697: 149–165. doi:10.3354/meps14136. ISSN 0171-8630.
  3. Masello, J.F.; Ryan, P.G.; Shepherd, L.D.; Quillfeldt, P.; Cherel, Y.; Tennyson, A.J.D.; Alderman, R.; Calderón, L.; Cole, T.L.; Cuthbert, R.J.; Dilley, B.J.; Massaro, M.; Miskelly, C.M.; Navarro, J.; Phillips, R.A.; Weimerskirch, H.; Moodley, Y. (2022). "Independent evolution of intermediate bill widths in a seabird clade". Molecular Genetics and Genomics. 297 (1): 183–198. doi:10.1007/s00438-021-01845-3.
  4. Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2022). "Petrels, albatrosses". IOC World Bird List Version 12.2. International Ornithologists' Union. Retrieved 26 August 2022.
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