Marsh frog
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| Binomial name | |
| Template:Taxon infoTemplate:Taxon italics (Pallas, 1771)
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| Distribution | |
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| Synonyms | |
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Rana ridibunda Pallas, 1771[1] | |
Page Template:Taxobox/core/styles.css has no content.Template:Taxonbar/candidateTemplate:Speciesbox/parameterCheckScript error: No such module "Check for conflicting parameters".The marsh frog (Pelophylax ridibundus) is a species of water frog native to Europe and parts of western Asia.[3]
Description
The marsh frog is the largest type of frog in most of its range, with males growing to a size around 100 mm (3.9 in) SVL and females slightly larger (4 in) SVL.[4] There is a large variation in colour and pattern, ranging from dark green to brown or grey, sometimes with some lighter green lines; a lighter line on the back is generally present. The frog will usually be darker coloured in early spring to absorb heat more efficiently.
Tadpoles can reach up to 190 mm (7.3 in) in length,[3] but this usually occurs in places with long winters where the tadpole has time to grow.
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Female
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Showing vocal sac.
Distribution and habitat
They occur in a large part of Europe starting from western France and spreading out into the Middle East and about a quarter into Russia.[3] There are also isolated populations in Saudi Arabia and the Russian Far East, along with some introduced populations in the United Kingdom and other places.[5]
These frogs are very lenient in their habitats, and are able to inhabit a majority of different types of water bodies.[3] Marsh frogs hibernate during the winter either underwater or in burrows, and are able to use the magnetic field of the Earth to locate breeding ponds.[6]
Diet
Adult marsh frogs have a large head that is able to devour a wide variety of prey, mostly arthropods and other invertebrates, as well as small fish, other amphibians (including conspecifics), reptiles, small birds, and rodents.[3] In an analysis of 53 adults in Thrace, flies made up 40% and beetles 20% of their diet.[7] These frogs have been found to climb onto water buffalo so they could eat the flies attracted to it, hinting at a possible mutualistic relationship.[8]
As tadpoles, they eat a wide range of organic matter including algae, detritus, decaying plants, invertebrates, and dead animals.[3]
Hybridogenesis
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There are known three hybridogenetic hybrids of the marsh frog:
- edible frog Pelophylax kl. esculentus (usually genotype RL):
pool frog P. lessonae (LL) × P. ridibundus (RR)[9][10] - Graf's hybrid frog Pelophylax kl. grafi (PR):
Perez's frog P. perezi (PP) × P. ridibundus (RR) or
Perez's frog P. perezi (PP) × edible frog P. kl. esculentus (RE)
(it is unclear which one crossing was the primary hybridization)[10] - Italian edible frog Pelophylax kl. hispanicus (RB):
Italian pool frog P. bergeri (BB) × P. ridibundus (RR)
Their populations are maintained however through other crossings by hybridogenesis.[10] In places where they were introduced, marsh frogs may pose a threat to the native Pelophylax by diluting the gene pool, but there is evidence that although they may hybridize they do not affect the overall population that greatly.[5][11]
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Frost, Darrel R. (2013). "Pelophylax ridibundus (Pallas, 1771)". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 24 July 2013.
- ^ Template:Cite iucn
- ^ a b c d e f Page Module:Citation/CS1/styles.css has no content."Pelophylax ridibundus Marsh Frog". AmphibiaWeb.
- ^ Page Module:Citation/CS1/styles.css has no content.Erismis, Ugur (7 March 2010). "Abundance, demography and population structure of Pelophylax ridibundus (Anura: Ranidae) in 26-August National Park (Turkey)" (PDF). North-Western Journal of Zoology. 7 (1): 5–16.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Leuenberger, Julien; Gander, Antoine; Schmidt, Benedikt R.; Perrin, Nicolas (20 February 2014). "Are invasive marsh frogs (Pelophylax ridibundus) replacing the native P. lessonae/P. esculentus hybridogenetic complex in Western Europe? Genetic evidence from a field study" (PDF). Conservation Genetics. 15 (4): 869–878. Bibcode:2014ConG...15..869L. doi:10.1007/s10592-014-0585-0. S2CID 17246330.
- ^ Page Module:Citation/CS1/styles.css has no content.Shakhparonov, Ogurtsov, Vladimir, Sergey (November 2016). "Marsh frogs, Pelophylax ridibundus, determine migratory direction by magnetic field". Journal of Comparative Physiology. 203 (1): 35–43. doi:10.1007/s00359-016-1132-x. PMID 27885506. S2CID 6361418 – via ResearchGate.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Page Module:Citation/CS1/styles.css has no content.Çiçek, Mermer, Kerim, A. (January 2007). "Food composition of the marsh frog, Rana ridibunda Pallas, 1771, in Thrace". Turkish Journal of Zoology. 31 (1): 83–90 – via ResearchGate.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Page Module:Citation/CS1/styles.css has no content."A possible mutualistic interaction between vertebrates: frogs use water buffaloes as a foraging place". Acta Herpetologica. 12 (1): 113–116. July 2017 – via ResearchGate.
- ^ Page Module:Citation/CS1/styles.css has no content.Berger, L. (1970). "Some characteristics of the crossess within Rana esculenta complex in postlarval development". Ann. Zool. 27: 374–416.
- ^ a b c Page Module:Citation/CS1/styles.css has no content.Holsbeek, G.; Jooris, R. (2010). "Potential impact of genome exclusion by alien species in the hybridogenetic water frogs (Pelophylax esculentus complex)" (PDF). Biol Invasions. 12 (1). Springer Netherlands: 1–13. Bibcode:2010BiInv..12....1H. doi:10.1007/s10530-009-9427-2. ISSN 1387-3547. S2CID 23535815. Archived from the original (PDF) on 2019-07-13. Retrieved 2015-06-19.
- ^ Page Module:Citation/CS1/styles.css has no content."A record of alien Pelophylax species and widespread mitochondrial DNA transfer in Kaliningradskaya Oblast' (the Baltic coast, Russia)" (PDF). BioInvasions Records. 9. June 2020. Archived from the original (PDF) on 2020-07-15. Retrieved 2020-07-15 – via Regional Euro-Asian Biological Invasions Centre.
External links
- Page Template:Sister-inline/styles.css has no content.Script error: No such module "Sister project logo". Media related to Script error: No such module "Commons link". at Wikimedia Commons
- Listen to Pelophylax ridibundus call sound
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