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Cyclicity

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Junov
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Brief Summary

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Diagnosis Can be distinguished from its congeneric species by the following combination of characters: snout-vent length 56.5-62.2 mm; toes totally fringed; webbing of feet present between all toes, but reduced; dorso-lateral surfaces granular; skin around vent and posterior thighs granular.
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Distribution

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Known from two Chilean localities (Puerto Eden and Seno Huemules) in Ultima Esperanza Province, Magallanes and Chilean Antartic Region (XII Region), Chile.
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Morphology

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herbácea
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Life Cycle

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semeadura em abril
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Molecular Biology

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Calendulae flos, saponina, ácido triterpenóide, outros glicósidos e calendulósidos, sucos amargos e óleos essenciais (11)
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Reproduction

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sementes
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Diagnostic Description

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Adult morphology Body robust, arms and legs well developed. Head depressed, slightly wider than long, its length 29% of snout-vent length. Snout truncated from above, rounded in lateral profile; canthus rostralis slightly rounded, loreal region concave in cross section; nostrils anterolateral, midway between tip of snout and anterior border of eye; eye diameter greater than distance between eye and nostril; internaria1 distance less than interorbital distance. Tympanum absent; postocular fold evident, reaching insertion of arm. Tongue rounded, without notch at tip. Choanae oval-shaped; dentigerous processes of vomer between choanae. Forelimbs of males robust. Fingers in order of increasing length: II, I, IV, III. Webbing of hand absent. Fingers long with moderately globular - tips. Inner palmar tubercle ovoid, outer pales mar tubercle rounded; subarticular tubercles rounded. First finger with strong thorny excrescences; second finger with narrow band of spines. Palmar surface with few thorns irregularly distributed. Spines also present at lower border of mandible. Toes long. thick and fringed; in order of increasing length: I-II- III-V-IV, tips moderately rounded. Webbing present, thick, but reduced. Inner metatarsal tubercle oval, elongate; outer tubercle smaller than the inner, oval. Tarsal fold present; reaching middle of tarsus. Flanks and dorsal surface granular; ventral skin smooth with minute granules; skin around vent and posterior thighs granular. Chest of males with two bilateral rounded black patches of keratinous spines. Dorsal surfaces of head and areas below dorsolateral fold with granules. Measurements (in mm): Male snout-vent length 62.2, head length 17.7, head width 24.2, eye diameter 7.0, nostril-snout distance 4.0, internaria1 distance 5.7, tibia length 27.7, foot length 33.8. Female snout-vent length 59.9, head length 16.4, head width 22.8, eye diameter 6.7, nostril-snout distance 3.6, internaria1 distance 5.4, tibia length 27.4, foot length 30.9. Coloration in alcohol: dorsal surfaces of ground, arms and legs dark gray. Venter whitish, gular area dark gray. Arms and legs whitish ventrally. The granular surface around posterior thighs dark gray. Coloration in life: dorsal surface, arms and legs brown. Belly whitish yellow. Areas around nostrils, lips and eyes light brown. The iris with a coppery reticulum.
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Behavior

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Europa
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Conservation Status

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DD. Data Deficient.
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Alsodes kaweshkari

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Alsodes kaweshkari is a species of frog in the family Alsodidae. This rare species is endemic to southern Chile where it is known from two specimens, the holotype that was collected from Puerto Edén (Wellington Island), and one paratype from Seno Huemules on the mainland.[1][3]

Puerto Edén in Chile
Puerto Edén in Chile
The type locality of Alsodes kaweshkari is Puerto Edén in southern Chile. The only other locality it is known from is Seno Huemules, about 30 km north of Puerto Edén.

Etymology

The specific name kaweshkari refers to Kaweshkar Indians, "brave people" and hunters of sea lions who live in Puerto Edén.[2]

Description

Both type specimens are males. They measure 56.5 and 62.2 mm (2.22 and 2.45 in) in snout–vent length (i.e., large in comparison to most other Alsodes). The body is robust. The flanks and dorsal surfaces are granular, as is the skin around vent and posterior thighs. The ventral skin is smooth with minute granules. The dorsum, arms, and legs are brown; the areas around nostrils, lips and, eyes are light brown. The iris has a coppery reticulum. Belly is whitish yellow. The tympanum is absent. The toes are fringed and have some webbing at their bases. The fingers are unwebbed. However, fingers have some spines in males—a secondary sex characteristic, as are the black patches of keratinous spines in the chest.[2]

The holotype was destroyed by fire on 3 December 2007.[3]

Habitat and conservation

Both locations have small forests composed of Nothofagus betuloides, Embothrium coccineum, Maytenus magellanica, and Drimys winteri, surrounded by tundra.[1][2] One specimen was collected under a log at the forest-tundra border, the other by a small stream, both near the sea level (8–10 m (26–33 ft) asl).[2]

The species was last seen in 1998 and expeditions in 2001 and 2002 in the same area failed to find it. The threats are unknown but it is known to occur in the Bernardo O'Higgins National Park.[1]

References

  1. ^ a b c d IUCN SSC Amphibian Specialist Group (2016). "Alsodes kaweshkari". IUCN Red List of Threatened Species. 2016: e.T56316A79811222. doi:10.2305/IUCN.UK.2016-1.RLTS.T56316A79811222.en. Retrieved 15 November 2021.
  2. ^ a b c d e Formas, J.R.; Cuevas, C.; Nuñez, J. (1998). "A new species of Alsodes (Amphibia: Anura: Leptodactylidae) from southern Chile". Proceedings of the Biological Society of Washington. 111: 521–530.
  3. ^ a b Frost, Darrel R. (2016). "Alsodes kaweshkari Formas, Cuevas, and Nuñez, 1998". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 14 December 2016.
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Alsodes kaweshkari: Brief Summary

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Alsodes kaweshkari is a species of frog in the family Alsodidae. This rare species is endemic to southern Chile where it is known from two specimens, the holotype that was collected from Puerto Edén (Wellington Island), and one paratype from Seno Huemules on the mainland.

Puerto Edén in ChilePuerto Edén in Chileclass=notpageimage| The type locality of Alsodes kaweshkari is Puerto Edén in southern Chile. The only other locality it is known from is Seno Huemules, about 30 km north of Puerto Edén.
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