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Old bat gets a new name

Date:
October 29, 2013
Source:
Pensoft Publishers
Summary:
The Mortlock Islands flying fox, a species threatened by climate change and rising sea levels, is one of the world's least studied bats. A new study presents the first detailed research on wild populations of this endangered species. The study also shows that the species was discovered and named by a German naturalist almost 50 years earlier than previously realized.

(A) This 1882 illustration of the Mortlock flying fox from Proceedings of the Zoological Society of London uses the now incorrect name for the animal. Its original and correct name is “Pteropus pelagicus.” Shown is the scanned image of Plate LIV from original description of Pteropus phaeocephalus Thomas 1882, which is presumably based on the holotype (B) dorsal view and (C) ventral view of Pteropuspelagicus pelagicus from Satawan Atoll (D) ventral view and (E) dorsal view of Pteropusphaeocephalus insularis from Weno, Chuuk Lagoon.
Credit: Original lithograph by Edwin Wilson, CC-BY 3.0, Courtesy Zookeys

A specimen preserved in a jar of alcohol in The Natural History Museum, London has remained the only record of the Mortlock Islands flying fox, one of the least known bat species on the planet, for over 140 years. That is until now. A team of bat biologists led by Dr. Don Buden from the College of Micronesiahas collected new information about this "forgotten" species, and studied it in the wild for the first time. The study is reported today in the open access journal ZooKeys.

The original London specimen was collected in 1870 from the remote Mortlock Islands, a series of low-lying atolls and part of the Federated States of Micronesia in the west-central Pacific Ocean. British biologist Oldfield Thomas used this specimen to name the species Pteropus phaeocephalus in 1882. However, information uncovered by Dr. Buden proves that a German naturalist, voyaging on a Russian Expedition, got there first.

"We found a report written by F.H. Kittlitz in 1836 describing his expedition to the Pacific Islands in the late 1820s. In that report he describes the flying-foxes of the Mortlocks and names them Pteropus pelagicus. This means the species was named long before Thomas's description in 1882" said Buden.

According to internationally established rules for naming animals, the earliest available scientific name of a species must be officially adopted, so the Mortlock Islands flying fox is now correctly known as Pteropus pelagicus. Not only does Kittlitz correctly deserve credit for the discovery of the species, 50 years earlier than previously thought, but he can also be now credited for the "new" name. Furthermore, Buden and colleagues demonstrated that flying foxes from the nearby islands of Chuuk Lagoon, long regarded as a separate species (Pteropus insularis), are also best regarded as a subspecies of Pteropus pelagicus, showing that the species has a wider geographic distribution than previously realized.

New fieldwork in the Mortlock Islands revealed more than name changes. The ZooKeys article describes the first study of the behavior, diet, and conservation status of this flying fox, finding that the Mortlock Islands support a small population of 900 to 1200 bats scattered across a land surface of only 12 km2 (4.6 square miles). Legal rules have brought better protection to the species, which was once heavily hunted. But the future of the species is still uncertain in its island home. Rising sea levels, generated by climate change, threaten the flying foxes' habitat and food resources through flooding, erosion, and contamination of freshwater supplies.

"This remarkable study shows how much we have to learn about Pacific Islands mammals, "said Prof. Tim Flannery of Macquarie University in Sydney, who was not involved in the research. "Where there was darkness, Dr. Buden and colleagues have shed light."


Story Source:

The above story is based on materials provided by Pensoft Publishers. The original story is licensed under a Creative Commons License. Note: Materials may be edited for content and length.


Journal Reference:

  1. Don Buden, Kristofer M. Helgen, Gary Wiles. Taxonomy, distribution, and natural history of flying foxes (Chiroptera, Pteropodidae) in the Mortlock Islands and Chuuk State, Caroline Islands. ZooKeys, 2013; 345: 97 DOI: 10.3897/zookeys.345.5840

Cite This Page:

Pensoft Publishers. "Old bat gets a new name." ScienceDaily. ScienceDaily, 29 October 2013. <www.sciencedaily.com/releases/2013/10/131029133550.htm>.
Pensoft Publishers. (2013, October 29). Old bat gets a new name. ScienceDaily. Retrieved July 28, 2014 from www.sciencedaily.com/releases/2013/10/131029133550.htm
Pensoft Publishers. "Old bat gets a new name." ScienceDaily. www.sciencedaily.com/releases/2013/10/131029133550.htm (accessed July 28, 2014).

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Oct. 29, 2013 The Mortlock Islands flying fox, a large, breadfruit-eating bat native to a few remote and tiny Pacific islands, has long been regarded as one of the world's least studied bats. Today ... read more
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