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The [[speciation]] of the olive-backed and Wakatobi sunbirds follows [[Alfred Russel Wallace|Alfred Wallace]]'s prediction about the [[Wallace Line]], a separation of deep and shallow [[ocean]]s of [[Asia]] and [[Australia]] that is difficult for most species to cross.<ref>{{Cite web |last=Anderson |first=Natali |date=2022-10-25 |title=Scientists Discover Several New Species of Sunbirds {{!}} Sci.News |url=https://www.sci.news/biology/new-sunbird-species-11330.html |access-date=2022-10-26 |website=Sci.News: Breaking Science News |language=en-US}}</ref> Even more difficult when pressures from deforestation continue to increase, making it harder for these species to develop.[https://news.mongabay.com/2022/11/here-come-the-sunbirds-new-species-from-indonesias-wakatobi-islands/]
The [[speciation]] of the olive-backed and Wakatobi sunbirds follows [[Alfred Russel Wallace|Alfred Wallace]]'s prediction about the [[Wallace Line]], a separation of deep and shallow [[ocean]]s of [[Asia]] and [[Australia]] that is difficult for most species to cross.<ref>{{Cite web |last=Anderson |first=Natali |date=2022-10-25 |title=Scientists Discover Several New Species of Sunbirds {{!}} Sci.News |url=https://www.sci.news/biology/new-sunbird-species-11330.html |access-date=2022-10-26 |website=Sci.News: Breaking Science News |language=en-US}}</ref> Even more difficult when pressures from deforestation continue to increase, making it harder for these species to develop.[https://news.mongabay.com/2022/11/here-come-the-sunbirds-new-species-from-indonesias-wakatobi-islands/]
O'Connell et al. (2019a) observed that Wakatobi infrenatus sunbirds showed stronger sexual dimorphism and a larger population density in comparison to plateni birds from Sulawesi and the land-bridge islands, confirming the physical and ecological differences between the two species.
O'Connell et al. (2019a) observed that Wakatobi infrenatus sunbirds showed stronger sexual dimorphism and a larger population density in comparison to plateni birds from [[Sulawesi]] and the land-bridge islands, confirming the physical and ecological differences between the two species.
== References ==
== References ==
{{Reflist}}
{{Reflist}}

Revision as of 12:00, 20 December 2023

The Wakatobi sunbird (Cinnyris infrenatus) is a species of sunbird endemic to the central Indonesian Wakatobi islands, at times restricted from tiny Wakatobi islands, off the southeastern coast of the larger Sulawesi.[2] C. infrenatus has a higher pitched voice, darker plumage and shorter wings compared to the olive-backed sunbird (Cinnyris jugularis), to which it is closely related.[3][4][5]

The speciation of the olive-backed and Wakatobi sunbirds follows Alfred Wallace's prediction about the Wallace Line, a separation of deep and shallow oceans of Asia and Australia that is difficult for most species to cross.[6] Even more difficult when pressures from deforestation continue to increase, making it harder for these species to develop.[1] O'Connell et al. (2019a) observed that Wakatobi infrenatus sunbirds showed stronger sexual dimorphism and a larger population density in comparison to plateni birds from Sulawesi and the land-bridge islands, confirming the physical and ecological differences between the two species.

References

  1. ^ Fionn Ó Marcaigh; David J Kelly; Darren P O'Connell; et al. (25 October 2022). "Small islands and large biogeographic barriers have driven contrasting speciation patterns in Indo-Pacific sunbirds (Aves: Nectariniidae)". Zoological Journal of the Linnean Society: zlac081. doi:10.1093/ZOOLINNEAN/ZLAC081. ISSN 1096-3642. Wikidata Q114890172.
  2. ^ "Here come the sunbirds: New species from Indonesia's Wakatobi Islands". Mongabay Environmental News. 2022-11-09. Retrieved 2023-10-28.
  3. ^ "Olive-backed Sunbird - eBird". ebird.org. Retrieved 2022-10-26.
  4. ^ Dublin, Trinity College. "Several beautiful new bird species found on remote Indonesian islands". phys.org. Retrieved 2022-10-26.
  5. ^ "Leptocoma aspasia (Black Sunbird) - Avibase". avibase.bsc-eoc.org. Retrieved 2022-10-26.
  6. ^ Anderson, Natali (2022-10-25). "Scientists Discover Several New Species of Sunbirds | Sci.News". Sci.News: Breaking Science News. Retrieved 2022-10-26.