Buergeria choui

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Buergeria choui
Buergeria choui.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Rhacophoridae
Genus: Buergeria
Species:
B. choui
Binomial name
Buergeria choui
Matsui  [ fr ] and Tominaga, 2020 [2]

Buergeria choui is a species of frog in the family Rhacophoridae. [3] [4] [5] Prior to its description in 2020, it was confused with Buergeria japonica . It is found in northwestern Taiwan and in the southern part of the Ryukyu Archipelago, Japan, specifically on the Yaeyama Islands. Common name Yaeyama Kajika frog has been proposed for it. [2] [3] The specific name choui honors Wen-Hao Chou from the National Museum of Natural Science (Taiwan), the first person to pay attention to the variation within the former Buergeria japonica. [2]

Contents

Distribution

Buergeria choui is known from Iriomote and Ishigaki Islands in the Southern Ryukyus and from the northwestern parts of Taiwan. The former Buergeria japonica elsewhere in Taiwan represent an undescribed species, while the true B. japonica is now considered a Central Ryukyus endemic. [2]

Description

Adult males measure 25–29 mm (1.0–1.1 in) and adult females 30–36 mm (1.2–1.4 in) in snout–vent length. The snout is truncate. The tympanum is conspicuous; the supratympanic fold is evident. The forelimbs are moderate. The fingers have no webbing but have tips expanded into small discs. The hindlimbs are slender and very long. The toes have fleshy webbing. Skin is dorsally rough with scattered tubercles and ridges. Ground color of the body is highly variable, from yellowish brown and grayish brown to deep brown. There is a dark brown interorbital bar followed by dark cruciform pattern. The throat is creamy yellow. The chest and abdomen are cream. The limbs have dark crossbars. The iris is golden. Males have a single internal subgular vocal sac. [2]

The male advertisement call are emitted in succession and consist of various combinations of notes with various intervals, ranging from a very short ones (including just one pulse) through short trills or whistles to long trills. The long trill lasts 1–2.3 seconds. [2]

Tadpoles of Gosner stages 35–36 measure 26–31 mm (1.0–1.2 in) in total length, of which the lanceolate tail makes about two thirds. [2]

Habitat

Buergeria choui is widely distributed, ranging from coastal lowlands to mountain forests. Breeding takes place in March–November when males can be heard calling near shallow pools, slowly flowing streams, and ditches. The tadpoles are aquatic and tolerate high temperatures. [2] These frogs have been observed between 0 and 1800 meters above sea level. [6]

Conservation

As of late 2020, this species had not yet been assessed for the IUCN Red List of Threatened Species. [7] The former Buergeria japonica was assessed in 2004 as being of "least concern". [6]

Related Research Articles

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<i>Buergeria otai</i> Species of amphibian

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References

  1. ↑ IUCN SSC Amphibian Specialist Group (2021). "Buergeria choui". IUCN Red List of Threatened Species . 2021: e.T186883321A186883374. doi: 10.2305/IUCN.UK.2021-1.RLTS.T186883321A186883374.en . Retrieved 20 November 2021.
  2. 1 2 3 4 5 6 7 8 Matsui, Masafumi; Tominaga, Atsushi (2020). "A new species of Buergeria from the southern Ryukyus and northwestern Taiwan (Amphibia: Rhacophoridae)". Current Herpetology. 39 (2): 160–172. doi: 10.5358/hsj.39.160 .
  3. 1 2 Frost, Darrel R. (2020). "Buergeria choui Matsui and Tominaga, 2020". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001 . Retrieved 3 November 2020.
  4. ↑ "Rhacophoridae". AmphibiaWeb. University of California, Berkeley. 2020. Retrieved 3 November 2020.
  5. ↑ TaiCoL (n.d.). K. T. Shao (ed.). "Buergeria choui Matsui and Tominaga". Catalogue of life in Taiwan. Biodiversity Research Center, Academia Sinica, Taiwan. Retrieved 3 November 2020.
  6. 1 2 Lue, Kuangyang; Chou, Wenhao; Kaneko, Yoshio & Matsui, Masafumi (2004). "Buergeria japonica". IUCN Red List of Threatened Species . 2004: e.T58783A11827782. Retrieved 4 November 2020.
  7. ↑ "IUCN Red List of Threatened Species" . Retrieved 4 November 2020.
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