Leptodactylus discodactylus

Leptodactylus discodactylus (common name: Vanzolini's Amazon frog) is a species of frog in the family Leptodactylidae. It is found in the Amazonian Bolivia, Brazil (Amazonas and Acre states), Peru, Ecuador, and Colombia.[3][4][5]

Leptodactylus discodactylus

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Leptodactylidae
Genus: Leptodactylus
Species:
L. discodactylus
Binomial name
Leptodactylus discodactylus
Synonyms[3]

Leptodactylus discodactylus Boulenger, 1884 "1883"
Vanzolinius discodactylus (Boulenger, 1884)
Leptodactylus nigrescens Andersson, 1945

Description

Leptodactylus discodactylus is a medium-sized, moderately robust-bodied frog. Males measure 28–35 mm (1.1–1.4 in) and females 32–35 mm (1.3–1.4 in) in snout–vent length. The colouration is reddish brown, with paler flanks. The dorsum is smooth with some small tubercles. The fingers may or may not have disks, whereas the toes end in slightly expanded and rounded disks.[5] The species shows local-scale variation in colour pattern, morphology, and advertisement call.[6]

Habitat and conservation

Leptodactylus discodactylus is a reasonably common and generally widespread species active by day and night. It can be found on the forest floor and in swampy areas in the forest, seasonally flooded forests, and open areas. The eggs are laid close to water where the tadpoles develop.[1]

Leptodactylus discodactylus is locally suffering from habitat loss.[1]

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gollark: I'm trying to tweak the parameters a bit in the scheme version.
gollark: Er. Sure.
gollark: To be fair, the parameters may just need tuning.
gollark: Anyway,```scheme(define actually-forgiving-grudge (lambda (x y) (let* ( (defection-count (length (filter (lambda (m) (= m 1)) x))) (lookback (+ 1 (inexact->exact (floor (expt defection-count 1.5))))) (result (if (memq 1 (take lookback x)) 1 0)) ) result)))```did beat tit-for-tat but not forgiving-grudge or the regular one.

References
  1. Coloma, L.A.; Ron, S.; Cisneros-Heredia, D.; Azevedo-Ramos, C.; Castro, F.; Rueda, J.V.; Monteza, J.I.; Heyer, R. & De la Riva, I. (2004). "Leptodactylus discodactylus". IUCN Red List of Threatened Species. 2004: e.T57373A11628605. doi:10.2305/IUCN.UK.2004.RLTS.T57373A11628605.en. Retrieved 3 March 2020.
  2. Boulenger, G. A. (1884). "On a Collection of Frogs from Yurimaguas, Huallaga River, Northern Peru". Proceedings of the Zoological Society of London. 1883 (4): 635–638.
  3. Frost, Darrel R. (2020). "Leptodactylus discodactylus Boulenger, 1884". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 3 March 2020.
  4. Acosta Galvis, A. R. (2020). "Leptodactylus discodactylus Boulenger, 1884 "1883"". Lista de los Anfibios de Colombia: Referencia en linea V.10.2020. Retrieved 3 March 2020.
  5. Ortiz, D.A.; et al. (2019). Ron, S. R.; Merino-Viteri, A. & Ortiz, D. A. (eds.). "Leptodactylus discodactylus". Anfibios del Ecuador. Version 2019.0. Museo de Zoología, Pontificia Universidad Católica del Ecuador (QCAZ). Retrieved 3 March 2020.
  6. Heyer, W.R. (1997). "Geographic variation in the frog genus Vanzolinius (Anura: Leptodactylidae)". Proceedings of the Biological Society of Washington. 110 (3): 338–365.
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