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Description

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E. cochranae is a small species, measuring 20mm in SVL. The back color is brown with an inverted parenthesis pattern. In some animals the inverted parenthesis looks like an hourglass pattern. There can also be a line between the eyes (Rivero 1998).

Reference

Villanueva-Rivera, L.J., and Joglar, R.L. (2001). ''Eleutherodactylus cochranae (Coquí Pitito) Reproduction.'' Herpetological Review, 32, 182.

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Distribution and Habitat

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E. cochranae is native from Puerto Rico, the United States Virgin Islands and the British Virgin Islands. It is found in lowlands, typically in dry forests and urban areas (Rivero 1998; Schwartz and Henderson 1991).
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Life History, Abundance, Activity, and Special Behaviors

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This species lives in bromeliads and palms, from where it also calls. Egg clutches have been found in bromeliad leaves (Villanueva-Rivera and Joglar 2001). When perturbed, it goes to the leaf axil for protection, which is usually filled with water.
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Life History, Abundance, Activity, and Special Behaviors

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No information is available. However, since it is very common in urban areas and some secondary forests, it is probably stable. No threats have been identified.
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Whistling coqui

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The whistling coquí, Cochran's treefrog, or Cochran's robber frog (Eleutherodactylus cochranae) is a species of frog native to Puerto Rico, the US Virgin Islands, and the British Virgin Islands.[1][2] This nocturnal insectivore is also referred to as the coquí pitito in Puerto Rico. Their distinctive song is a single, rising whistle, which is repeated and followed by three clicking sounds.

Description

The whistling coqui measures between 0.6 and 0.7 inches, but the females can grow to 0.9 in long. Their physical coloration is gray, tan, or gray-brown. Their dorsa have a unique pattern of fine lines that resemble two reverse parenthesis {)(}. Their venters are white, gray, or creamy yellow. Their legs are brown with small toe pads, and they have dark, fine lines on the midline of their snouts. Their throats and thighs are distinctive for their speckled, small brown spots. See references for picture website.

Distribution and habitat

The whistling coqui is usually found sleeping in the refuge of tree bromeliads (where it also lays its eggs) and coconut husk piles during the day. Several inhabit the southwest flank of the Luquillo Mountains and Guanica’s dry forest in Puerto Rico, as well as humid areas of Puerto Rico such as Utuado, Cayey, and the Caribbean National Forest. Overall, they range from the Puerto Rican islands (except Mona and Monito) to St. John, St. Thomas, and the British Virgin Islands (except Anegada). The whistling coqui is found in semiarid, wooded areas, such as the dry forest of Guánica and the humid areas of Utuado, Cayey, and Luquillo. They find and use trees, such as bromeliad plants, and leaf litter to hide from predators during the day. Depending on their area, they are found as high as three feet from the ground in trees.

Reproduction

Males use their songs as mating calls from about three feet from the ground in trees, and are usually heard before dusk and after dawn. Their reproduction, as most of the family Eleutherodactylidae, skips the tadpole phase. Their eggs are laid in humid areas, and the froglets emerge and continue their lives.

References

  1. ^ a b IUCN SSC Amphibian Specialist Group (2021). "Eleutherodactylus cochranae". IUCN Red List of Threatened Species. 2021: e.T56515A3041363. doi:10.2305/IUCN.UK.2021-1.RLTS.T56515A3041363.en. Retrieved 19 November 2021.
  2. ^ Frost, Darrel R. (2014). "Eleutherodactylus cochranae Grant, 1932". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 5 February 2015.
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Whistling coqui: Brief Summary

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The whistling coquí, Cochran's treefrog, or Cochran's robber frog (Eleutherodactylus cochranae) is a species of frog native to Puerto Rico, the US Virgin Islands, and the British Virgin Islands. This nocturnal insectivore is also referred to as the coquí pitito in Puerto Rico. Their distinctive song is a single, rising whistle, which is repeated and followed by three clicking sounds.

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