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Amietia vertebralis occurs in cold, clear mountain streams of montane grasslands at elevations of 1,600–3,400 m (5,200–11,200 ft) above sea level.It is a water-dependent and largely aquatic species that can stay underwater for long periods (up to 30 hours); [1] during the winter months, it can be seen swimming under ice, [1] although tadpoles can sometimes get trapped in ice. [1]
Common toad (Bufo bufo) swimming. Frogs that live in or visit water have adaptations that improve their swimming abilities. The hind limbs are heavily muscled and strong. The webbing between the toes of the hind feet increases the area of the foot and helps propel the frog powerfully through the water.
This shape allows for the production of large forces during swimming through both drag-based and lift-based propulsion. [1] Webbed feet are a compromise between aquatic and terrestrial locomotion. Aquatic control surfaces of non-piscine vertebrates may be paddles or hydrofoils. Paddles generate less lift than hydrofoils, and paddling is ...
Rana (derived from Latin rana, meaning 'frog') is a genus of frogs commonly known as the Holarctic true frogs, pond frogs or brown frogs. Members of this genus are found through much of Eurasia and western North America .
An inhabitant of clear streams in the upper limits of cloud forest, this water frog occurs at 3,000–3,500 metres (9,800–11,500 ft) above sea level. Adults are generally found resting above the water sheltered by tree trunks and stones, whilst tadpoles and juveniles have been found hidden under stones and amongst aquatic plants .
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Male Rana temporaria calling in a garden pond in Jambes, Belgium. The common frog or grass frog (Rana temporaria), also known as the European common frog, European common brown frog, European grass frog, European Holarctic true frog, European pond frog or European brown frog, is a semi-aquatic amphibian of the family Ranidae, found throughout much of Europe as far north as Scandinavia and as ...
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