Acrocephalus astrolabii (Mangareva Reed-warbler)

[another specialist]

Jun 2, 2011 19:51:01 GMT @noisi said:

Jun 2, 2011 18:08:35 GMT another specialist said:

Would you like a copy Noisi when I got some spare time and can scan them and make it into a pdf file?

Yes Yes Yes!!!

That would be GREAT!!!

It's on its way to you Alex

Sorry for the delay

[Deleted]

Jun 11, 2011 13:41:45 GMT another specialist said:

Jun 2, 2011 19:51:01 GMT @noisi said:

Yes Yes Yes!!!

That would be GREAT!!!

It's on its way to you Alex

Sorry for the delay

Thank You very, very much!!!

*********

This thread should now be merged with this one.:

extinctanimals.proboards.com/index.cgi?action=display&board=passeriformes&thread=8833&page=1

But which name has preferance? astrolabii or gambieranus, I think the latter, which is from 1844?

[another specialist]

There are several changes to the Reed-Warblers based on Cibois et al. (2011). The Saipan Reed-Warbler, Acrocephalus hiwae, Pagan Reed-Warbler, Acrocephalus yamashinae, and Mangareva Reed-Warbler, Acrocephalus astrolabii are split from Nightingale Reed-Warbler, Acrocephalus luscinius. Also, the Leeward Islands Reed-Warbler, Acrocephalus musae and Moorea Reed-Warbler, Acrocephalus longirostris are split from Tahiti Reed-Warbler, Acrocephalus caffer. Note that most of these taxa are now extinct. Cibois et al. also added sequenced more of the extant reed-warblers than previously (esp. A. luscinius, syrinx, and rehsei) and the phylogeny has been adjusted accordingly.
[Acrocephalidae, Sylvioidea I, 2.60]

jboyd.net/Taxo/changes.html

[another specialist]

so correct name is Mangareva Reed-Warbler, Acrocephalus astrolabii

[Melanie]

Rearrangement of the reed warblers in the Pacific region

Charting the course of reed-warblers
across the Pacific islands
Alice Cibois1*, Jon S. Beadell2, Gary R. Graves3, Eric Pasquet4,5, Beth Slikas6,

si-pddr.si.edu/jspui/bitstream/10088/17642/1/vz_Cibois_et_al_2011_J_Biogeography--Charting_the_course_of_reed-warblers_across_the_Pacific_islands.pdf

current common name: Astrolabe Warbler (IOC, Hume / Walters: Extinct Birds)

[Melanie]

First description

ia600803.us.archive.org/2/items/bulletinofbritis9899brit/

[Sebbe]

From Early Polynesian Settlements to the Present: Bird Extinctions in the Gambier Islands

Located in the South Pacific Ocean, the Gambier Islands are sometimes presented as an example, with Easter Island, of biodiversity collapse provoked by overexploitation of the natural resources by the Polynesian people during the course of several centuries. However, when comparing the list of bird bones obtained from archaeological sites with the data obtained and specimens collected by naturalists from the end of the eighteenth century to the midtwentieth century, we show that land-bird extinction continued uninterrupted, mostly due to introduced predators and the continuous loss of wooded areas. Conversely, the list of breeding seabirds has remained relatively stable, but the number of breeding sites has decreased owing to introduction of predators, especially the cat and black rat. Today these sites are restricted to cliffs on the main islands and to remote islets.

www.bioone.org/doi/abs/10.2984/66.3.2

[Sebbe]

Nightingale Reed-warbler (Acrocephalus luscinius) is being split: list A. nijoi as Critically Endangered (Possibly Extinct), A. hiwae as Critically Endangered, and A. astrolabii, A. yamashinae and A. luscinius as Extinct?

Mangareva Reed-warbler A. astrolabii is considered to be Extinct, its exceptionally stout feet losing their grip on existence sometime prior to the late-20th century. It was not recorded since the type series collection in 1838 or 1839 (Holyoak and Thibault 1978, Kennerley and Pearson 2010). Given that the precise home of this remarkable Acro has never been determined, the causes of this extinction are unknown.

www.birdlife.org/globally-threatened-bird-forums/2016/10/nightingale-reed-warbler-acrocephalus-luscinius-is-being-split-list-a-nijoi-as-critically-endangered-possibly-extinct-a-hiwae-as-critically-endangered-and-a-astrolabii-a-yamashinae-and-a/

[Peter]

Acrocephalus astrolabii

Taxonomy

Kingdom Phylum Class Order Family
Animalia Chordata Aves Passeriformes Acrocephalidae

Scientific Name: Acrocephalus astrolabii
Species Authority: Holyoak & Thibault, 1978
Common Name(s):
English – Mangareva Reed-warbler
Taxonomic Source(s): del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
Identification information: 18 cm. Large, lanky, scruffy-looking warbler with long bill and remarkably stout legs and feet. Lost to the world prior to any documentation of voice or behaviour.

Assessment Information

Red List Category & Criteria: Extinct ver 3.1
Year Published: 2016
Date Assessed: 2016-10-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Contributor(s): Camp, R., Dutson, G., Freifeld, H., Saunders, A., Radley, P., Mosher, S., Amidon, F. & Gourley, J.
Facilitator/Compiler(s): Benstead, P., Bird, J., Calvert, R., Khwaja, N., Mahood, S., O'Brien, A., Stattersfield, A., Derhé, M., Symes, A., Wright, L & Martin, R
Justification:
This species is Extinct. It was not recorded since the type series collection in 1838 or 1839 (Holyoak and Thibault 1978, Kennerley and Pearson 2010). Given that the precise home of this distinctive Acrocephalus has never been determined, the causes of this extinction are unknown.

Geographic Range

Range Description: This species is known from a specimen thought to have come from Yap, Federated States of Micronesia in 1838 or 1839.
Countries occurrence:
Regionally extinct:
Micronesia, Federated States of
Additional data:
♦ Continuing decline in area of occupancy (AOO): No
♦ Extreme fluctuations in area of occupancy (AOO): No ♦ Estimated extent of occurrence (EOO) - km2:
♦ Continuing decline in extent of occurrence (EOO): No ♦ Extreme fluctuations in extent of occurrence (EOO): No
♦ Continuing decline in number of locations: No
♦ Extreme fluctuations in the number of locations: No
♦ Upper elevation limit (metres): 500
Range Map: Click here to open the map viewer and explore range.

Population

Population: None remain.

Trend Justification:
Additional data:
♦ Continuing decline of mature individuals: Unknown
♦ Extreme fluctuations: No ♦ Population severely fragmented: No
♦ Continuing decline in subpopulations: No
♦ Extreme fluctuations in subpopulations: No ♦ All individuals in one subpopulation: No

Habitat and Ecology

Habitat and Ecology:
Systems: Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat: No
Movement patterns: Not a Migrant

Citation: BirdLife International. 2016. Acrocephalus astrolabii. The IUCN Red List of Threatened Species 2016: e.T103780156A104320657. Downloaded on 11 December 2016.

www.iucnredlist.org/details/full/103780156/0

[Melanie]

Cibois & Thibault changed the vernacular name to Gambier Reed Warbler.

Birds of Eastern Polynesa, 2017, p 339-340

[alexanderlang]

I don't know if this will work, but sometimes there are photos of the two specimens here.:

science.mnhn.fr/institution/mnhn/collection/zo/item/mo-1982-768?listIndex=21&listCount=18158

science.mnhn.fr/institution/mnhn/collection/zo/item/mo-1982-769?listIndex=411&listCount=18158

[Sebbe]

Untangling the colonization history of the Australo-Pacific reed warblers, one of the world’s great island radiations.

Island radiations, such as those of the Australo-Pacific, offer unique insight into diversification, extinction, and early speciation processes. Yet, their speciation and colonization histories are often obscured by conflicting genomic signals from incomplete lineage sorting or hybridization. Here, we integrated mitogenomes and genome-wide SNPs to unravel the evolutionary history of one of the world’s most geographically widespread island radiations. The Australo-Pacific reed warblers (Acrocephalus luscinius complex) are a speciose lineage including five species that have become extinct since the 19th century and ten additional species of conservation concern. The radiation spans over 10,000 km across Australo-Papua, Micronesia and Polynesia, including the Mariana, Hawaii and Pitcairn Island archipelagos. Earlier mtDNA studies suggested a stepping-stone colonization process, resulting in archipelago-level secondary sympatry of divergent mtDNA lineages in the Mariana Islands and Marquesas. These studies hypothesised that morphologically similar species on neighbouring islands arose from ecological convergence. Using hDNA from historical museum specimens and modern genetic samples, we show that incomplete lineage sorting and/or gene flow have shaped the radiation of Australo-Pacific reed warblers rather than secondary sympatry. The nuclear genome reconstructs a simpler biogeographic history than mtDNA, showing close relationships between species in the Mariana Islands and Marquesas despite their paraphyletic mtDNA lineages. Gene flow likely involved early and late colonizing waves of the radiation before the loss of ancestral dispersive ability. Our results highlight how collection genomics can elucidate evolutionary history and inform conservation efforts for threatened species.

academic.oup.com/evolut/advance-article/doi/10.1093/evolut/qpae136/7759539?login=false