Plectrohyla avia, also known as the greater spikethumb frog, is a species of frog in the family Hylidae. It occurs in Guatemala and Mexico and is found on the Pacific slopes of the Sierra Madre between southeastern Chiapas (Mexico) and southwestern Guatemala.
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Jumping (saltation) can be distinguished from running, galloping, and other gaits where the entire body is temporarily airborne by the relatively l...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withPlectrohyla avia is the largest member of the genus Plectrohyla, with males reaching about 90 mm (3.5 in) and females about 70 mm (2.8 in) snout–vent length. It was described by Laurence Cooper Stuart in 1952 based on a single specimen. This specimen—the holotype—is an adult male that measured 86 mm (3.4 in) SVL. The tympanum is small but very distinct. There is a heavy supratympanic fold that merges with the fold-like canthus (or in less technical terms, "lateral skin folds"). The fingers have vestigial webbing whereas the toes are moderately webbed. The prepollex ("spikethumb") is simple and horny. Vocal slits are absent. The teeth of the upper maxilla are long and protruding.
Based on an observation from Chiapas, breeding takes place underwater and involves axillar amplexus. Male advertisement call is a brief and rapid trill. Males were observed calling underwater and from within small holes and crevices in the splash-zone of waterfalls.