Facts about Agile Frogs
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500 to 1,900 eggs are deposited in a single gelatinous clump by female agile frogs, attached to submerged twigs in temporary spring ponds.
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Under the Bern Convention, Rana dalmatina receives strict protection status across most European range states due to habitat loss in lowland forests.
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Tadpoles of the European species Rana dalmatina typically complete metamorphosis within 60 to 90 days after hatching in temporary woodland ponds.
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Females can grow to about 9 centimeters in length, nearly twice the size of males, across populations ranging from France to Ukraine and the Caucasus.
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Threatened by deforestation, agile frog populations in eastern Madagascar have reportedly declined by more than 30 percent since the year 2000.
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Agile frogs inhabit rocky outcrops and leaf litter microhabitats in Madagascar's eastern rainforests, where their cryptic coloration ranging from brown to reddish tones provides camouflage against moss-covered stone surfaces.
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Agile frogs consume primarily small arthropods like ants and termites, with their diet comprising over 80 percent insects smaller than 3 millimeters in length.
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Agile frogs measure only 1.3 to 2.4 centimeters in body length, making them among Madagascar's smallest vertebrates despite their remarkable jumping ability.
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Agile frogs have a lifespan of approximately 10-15 years in their natural Madagascar habitat, which is relatively long for small frog species.
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Agile frogs possess eyes positioned on top of their heads, allowing them to remain submerged in water while maintaining complete visual surveillance of their surroundings.
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Breeding calls of agile frogs occur primarily during Madagascar's rainy season from November to March, with males producing distinctive clicking sounds to attract mates.
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The agile frog's scientific name Phrynobatrachus asper reflects its rough skin texture, which helps reduce water loss in Madagascar's dry forests.
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Native to Madagascar, agile frogs can leap up to 50 times their body length when escaping predators.