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Description

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Males 17-20 mm, females 20-22 mm. About 70 % of individuals have dorsal coloration consisting of a brown background with numerous dark markings. Other individuals have a brown dorsum with two light dorsolateral stripes. There are two glandular dorsolateral folds on each side of the body, but they are difficult to see with the naked eye. The belly is white. The chin and throat, underside of arms, and underside of thighs are pinkish or grayish. The distance from the eye to the point of the snout is about the same as the width of the eye.Similar species: Adenomera hylaedactyla differs by the distance from the eye to the tip of the snout being one and a half times the diameter of the eye, and in having well-defined glandular dorsolateral folds that are easily seen with the naked eye, yellowish color on the front and lower surfaces of the thighs. Leptodactylus petersii differ by having dark ventral surfaces with irregular white spots.
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Albertina P. Lima
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William E. Magnusson
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Marcelo Menin
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Luciana K. Erdtmann
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Domingos J. Rodrigues
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Claudia Keller
author
Walter Hödl
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Distribution and Habitat

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Found commonly throughout the Reserva Florestal Adolpho Ducke in Brazil.
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Albertina P. Lima
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William E. Magnusson
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Marcelo Menin
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Luciana K. Erdtmann
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Domingos J. Rodrigues
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Claudia Keller
author
Walter Hödl
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Life History, Abundance, Activity, and Special Behaviors

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Terrestrial, active by day and night. Juveniles eat collembolans, beetles and ants; adults eat crickets, beetles, spiders, centipedes and ants. Reproduction occurs in the rainy season, with a peak in December. Males usually call from the ground, hidden among leaves or fallen branches. Males excavate burrows in the soil, in which females deposit about 10 eggs in a foam nest. The tadpoles develop in the nest.
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Albertina P. Lima
author
William E. Magnusson
author
Marcelo Menin
author
Luciana K. Erdtmann
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Domingos J. Rodrigues
author
Claudia Keller
author
Walter Hödl
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AmphibiaWeb articles

Adenomera andreae

provided by wikipedia EN

Adenomera andreae (common name: lowland tropical bullfrog) is a species of frogs in the family Leptodactylidae.

It is found in the lowlands of northern South America east of the Andes (Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela).[1][2] As currently defined, it probably represents a cryptic species complex,[1] comprising perhaps four species.[3]

Description

Adenomera andreae are small frogs, usually less than 30 mm (1.2 in) in adult body length. Dorsum is grayish brown to beige, occasionally with dark brown spots, and rarely with a vertebral dark brown stripe and/or dorsolateral orangish yellow stripe. The ventral surfaces are white. Iris is chestnut.[4]

Eggs are laid in foam nests on the ground.[1] Tadpoles are terrestrial: they are endotrophic and develop in the nest. Recruitment of juveniles is synchronized with rainfall.[5]

Its predators include large tarantulas.[6]

Habitat

Its natural habitats are tropical moist lowland forests, but it can also be found in open environments such as grasslands surrounded by forest habitats. It is threatened by habitat loss from clear cutting.[1]

References

  1. ^ a b c d e Enrique La Marca, Claudia Azevedo-Ramos, Luis A. Coloma, Santiago Ron (2004). "Adenomera andreae". IUCN Red List of Threatened Species. 2004: e.T56304A11453385. doi:10.2305/IUCN.UK.2004.RLTS.T56304A11453385.en. Retrieved 17 November 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ^ Frost, Darrel R. (2014). "Adenomera andreae (Müller, 1923)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 1 August 2014.
  3. ^ Frost, Darrel R. (2014). "Adenomera Steindachner, 1867". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 1 August 2014.
  4. ^ Cole, C. J.; Townsend, C. R.; Reynolds, R. P.; MacCulloch, R. D.; Lathrop, A. (2013). "Amphibians and reptiles of Guyana, South America: Illustrated keys, annotated species accounts, and a biogeographic synopsis". Proceedings of the Biological Society of Washington. 125 (4): 317–578. doi:10.2988/0006-324X-125.4.317. S2CID 86665287.
  5. ^ Glória Moreira & Albertina P. Lima (1991). "Seasonal patterns of juvenile recruitment and reproduction in four species of leaf litter frogs in central Amazonia". Herpetologica. 47 (3): 295–300. JSTOR 3892620.
  6. ^ Naish, Darren. "Tiny Frogs and Giant Spiders: Best of Friends". Scientific American Blog Network. Retrieved 2020-05-02.
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Adenomera andreae: Brief Summary

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Adenomera andreae (common name: lowland tropical bullfrog) is a species of frogs in the family Leptodactylidae.

It is found in the lowlands of northern South America east of the Andes (Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela). As currently defined, it probably represents a cryptic species complex, comprising perhaps four species.

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