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Common frogs are often confused with the common toad , but frogs can easily be distinguished as they have longer legs, hop, and have a moist skin, whereas toads crawl and have a dry 'warty' skin. The spawn of the two species also differs, in that frog spawn is laid in clumps and toad spawn is laid in long strings.
These include the glass frogs (Centrolenidae), the bush frogs (Hyperoliidae), some of the narrow-mouthed frogs (Microhylidae), and the shrub frogs (Rhacophoridae). [111] Most tree frogs are under 10 cm (4 in) in length, with long legs and long toes with adhesive pads on the tips.
Pacific tree frogs can be a number of different colors, including green, tan, reddish, gray, brown, cream, and black, but most are a shade of green or brown, with pale or white bellies. They have a variety of dark and spotty markings on their backs and sides and can be identified by a black or dark brown eye stripe that stretches from the nose ...
European treefrog (Hyla arborea). A tree frog (or treefrog) is any species of frog that spends a major portion of its lifespan in trees, known as an arboreal state. [1] Several lineages of frogs among the Neobatrachia suborder have given rise to treefrogs, although they are not closely related to each other.
Although female frogs seek water bodies with preexisting eggs, they do not prefer sites that include conspecific tadpoles. Given the limited availability to desirable nests, however, spawning frequently occurs in pools containing both conspecific eggs and tadpoles. [22]
The spawn (eggs) of a clownfish.The black spots are the developing eyes. Spawn is the eggs and sperm released or deposited into water by aquatic animals.As a verb, to spawn refers to the process of freely releasing eggs and sperm into a body of water (fresh or marine); the physical act is known as spawning.
Many frogs in this genus breed in early spring, although subtropical and tropical species may breed throughout the year. Males of most of the species are known to call, but a few species are thought to be voiceless. Females lay eggs in rafts or large, globular clusters, and can produce up to 20,000 at one time.
These frogs change their skin colors in response to temperature differences in order to maintain body temperature and minimize evaporative water loss. When they adopt a darker coloration, their body temperature will warm more rapidly with the sun's radiation. It is common for frogs to do this when the air temperature is below 36 °C.