A parakeet specimen held at National Museums Scotland is a unique skin of the extinct Réunion Parakeet<i>Psittacula eques eques</i>: a reply to Cheke and Jansen ()

Jones, Carl G.; Jackson, Hazel A.; McGowan, R Y; Hume, Julian P.; Forshaw, Joseph M.; Tatayah, Vikash; Winters, Ria; Groombridge, Jim J.

doi:10.1111/ibi.12673

Cited by 3 publications

(9 citation statements)

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“…We conclude that if it cannot be ascertained that the published illustrations accurately represent the physical specimen or preparatory drawings directly from it, we necessarily cannot establish the true appearance of the type (contra Jones et al 2018). Hence only original drawings of a specimen or the coloured preparatory drawings by the original artists for subsequent prints can used to establish the appearance of the type in the specimen's absence.…”

Section: Discussionmentioning

confidence: 91%

“…There is every reason to believe that the Brisson / Buffon descriptions and Martinet's images of the Echo Parakeet were taken from the same single specimen labelled as from Réunion in the now lost Cabinet Aubry (Cheke & Hume 2008, Cheke & Jansen 2016, contra Cheke (1987; '3 specimens') as still cited by Hume (2007Hume ( , 2017 and Jones et al (2018). Martinet redrew the specimen on his plate, using Brisson's name, which was presumably on the mounted specimen's stand.…”

Section: Review Of the Illustrationsmentioning

confidence: 99%

“…As much weight is now placed on the plumage details in the plate in Buffon of the now extinct population of Echo Parakeet on Réunion (e.g. Jones et al 2018), here we seek to answer two questions, which also possess more general application: (1) are the published set of Martinet's engravings for a given species coloured by one hand?, and (2) how reliably do they represent the type?…”

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confidence: 99%

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Martinet's engravings in Buffon (1770–83): variation in their hand-colouring and its implications for defining Echo Parakeet Psittacula eques (Boddaert, 1783)

Jansen

Cheke²

2020

Bulletin of the British Ornithologists’ Club

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Section: Discussionmentioning

confidence: 91%

Section: Review Of the Illustrationsmentioning

confidence: 99%

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confidence: 99%

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Martinet's engravings in Buffon (1770–83): variation in their hand-colouring and its implications for defining Echo Parakeet Psittacula eques (Boddaert, 1783)

Jansen

Cheke²

2020

Bulletin of the British Ornithologists’ Club

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“…In the case of the Echo Parakeet from Réunion, although named scientifically from a copy of Martinet's plate in Buffon, it is clearly safer to rely on the description by the meticulous Brisson (Farber 1982) for the fullest understanding of the plumage and bill coloration, although some details (lores, cere, eye-ring) are nonetheless missing. It is not tenable to rely on the plates, least of all a single example, for putative subtle plumage ISSN-2513-9894 (Online) distinctions between the populations on Réunion (extinct) and Mauritius as used by Jones et al (2018) as part of their argument to differentiate parakeets from the two islands.…”

Section: Discussionmentioning

confidence: 99%

“…Brisson.-Although coloured versions (Jones et al 2018, copy online on www.gallica. bnf.fr) exist of the plate by Martinet (in Brisson 1760, vol.…”

Section: Review Of the Illustrationsmentioning

confidence: 99%

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2020

Bulletin of the British Ornithologists’ Club

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British Ornithologists' Club meetings in 2020 As previously announced, owing to the Covid-19 pandemic the 2020 meetings programme has had to be substantially adjusted. The current situation is that Prof. Diamond's talk, in conjunction with the Linnean Society has been deferred, subject to his availability, until a date in 2021. We are pleased that the 21 September meeting will proceed via Zoom video-conferencing. Dr Beth Okamura will give a presentation on How birds shape freshwater biodiversity, and will consider how our understanding of dispersal of freshwater invertebrates has improved since Darwin's day. Dr Okamura, who is a Merit Researcher at the Natural History Museum, London, and Professor in Aquatic Biology at Univ. of Reading, will focus on evidence for waterbird-mediated dispersal of freshwater animals that are poorly known but have substantial ecological and practical impacts. The talk scheduled for 16 November, planned in conjunction with the Linnean Society and at their premises, is intended to be by Prof. Jon Fjeldså, Univ. of Copenhagen, on evolution of passerine birds. This talk had been designed to celebrate the 1,000th evening meeting of the BOC but, should it go ahead, will now be slightly ahead of the anniversary given the forced cancellation of previous 2020 meetings! At present, we remain very hopeful that the event will occur on schedule via Zoom, but please keep checking the BOC and Linnean Society websites for updates. Friends of the BOC The BOC has from 2017 become an online organisation without a paying membership, but instead one that aspires to a supportive network of Friends who share its vision of ornithology-see: http://boc-online.org/. Anyone wishing to become a Friend of the BOC and support its development should pay UK£25.

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Variation in Echo Parakeets (Psittacula eques (Boddaert, 1783) [Psittaculidae]) in relation to inter-island differences

Jansen

Cheke²

2021

Zoosystema

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The supposed differences in the variation in Psittacula eques (Boddaert, 1783) in birds found on Mauritius in relation to the extinct Réunion population have been disputed for over 150 years. This article argues that individual variation found in adult males in Mauritius is large enough to encompass the meagre details known from the Réunion population, based on a single 18th century specimen, as well as the plumage of a skin in Edinburgh of uncertain provenance claimed by some as from Réunion. We conclude that the populations are not only conspecific, but also almost certainly monotypic. RÉSUMÉ Variation des perruches d'Echo ( Psittacula eques (Boddaert, 1783) [Psittaculidae]) en relation avec les différences inter-îles.Les supposées différences dans la variation de Psittacula eques (Boddaert, 1783) entre les oiseaux trouvés à l'île Maurice et la population éteinte de la Réunion sont discutées depuis plus de cent cinquante ans. Dans le présent article, nous considérons que la variation individuelle observée chez les mâles adultes de Maurice est suffisamment importante pour inclure les maigres détails connus de la population réunionnaise, basés sur un seul spécimen du xviii e siècle, ainsi que sur le plumage d'une peau conservée à Edimbourg, de provenance incertaine et considérée par certains comme originaire de la Réunion. Nous concluons que les populations sont non seulement conspécifiques mais aussi presque certainement monotypiques.

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A parakeet specimen held at National Museums Scotland is a unique skin of the extinct Réunion ParakeetPsittacula eques eques: a reply to Cheke and Jansen ()

Cited by 3 publications

References 25 publications

Martinet's engravings in Buffon (1770–83): variation in their hand-colouring and its implications for defining Echo Parakeet Psittacula eques (Boddaert, 1783)

Martinet's engravings in Buffon (1770–83): variation in their hand-colouring and its implications for defining Echo Parakeet Psittacula eques (Boddaert, 1783)

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Variation in Echo Parakeets (Psittacula eques (Boddaert, 1783) [Psittaculidae]) in relation to inter-island differences

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