Kassina senegalensis: Difference between revisions
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{{short description|Species of frog}} |
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| image = Kassina senegalensis.jpg |
| image = Kassina senegalensis.jpg |
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| status = LC |
| status = LC |
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| status_system = IUCN3.1 |
| status_system = IUCN3.1 |
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| status_ref = <ref name="IUCN Red List" /> |
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| taxon = Kassina senegalensis |
| taxon = Kassina senegalensis |
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| authority = (Dumeril & Bibron, 1841) |
| authority = ([[André Marie Constant Duméril|Dumeril]] & [[Gabriel Bibron|Bibron]], 1841) |
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| range_map = Kassina senegalensis Range in 2013.png |
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| range_map_caption = Range map of ''K. senegalensis''<ref name="IUCN Red List" /> |
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| synonyms = {{hidden begin|title = List}} |
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* ''Cystignathus senegalensis'' <small>Duméril and Bibron, 1841</small> |
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* ''Cystignathus argyreivittis'' <small>Peters, 1854</small> |
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* ''Cassina senegalensis'' <small>(Duméril and Bibron, 1841)</small> |
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* ''Cassina argyreivittis'' <small>(Peters, 1854)</small> |
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* ''Kassina deserticola'' <small>Ahl, 1930</small> |
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* ''Kassina modesta'' <small>Ahl, 1930</small> |
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* ''Cassina angeli'' <small>De Witte, 1933</small> |
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* ''Kassina benueana'' <small>Monard, 1951</small> |
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* ''Kassina argyreivittis'' <small>(Peters, 1854)</small> |
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* ''Hylambates senegalensis'' <small>(Duméril and Bibron, 1841)</small> |
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'''''Kassina senegalensis''''', the '''Senegal running frog''', |
'''''Kassina senegalensis''''', also known as the '''Senegal running frog''', along with many other [[Common name|common names]],{{notetag|Other common names used for ''Kassina senegalensis'' in modern publications include '''Senegal kassina''', '''Senegal Kassin's frog''', '''running frog''', '''bubbling kassina''', and '''burbling kassina'''.<ref name=":0" /> |
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}} is a [[species]] of [[frog]] native to much of [[Africa]]. It is a small and solidly-built species with large eyes. Most of the body is greyish-black, but there are brown bands and spots on certain parts.<ref name="original description" /> They can be found in many types of [[Habitat|habitats]], such as [[Shrubland|shrublands]], [[Grassland|grasslands]], and [[Wetland|wetlands]], at elevations as high as {{convert|2000|m|mi}}.<ref name="IUCN Red List">{{cite iucn |author=IUCN SSC Amphibian Specialist Group |date=2013 |title=''Kassina senegalensis'' |volume=2013 |page=e.T56236A3036276 |doi=10.2305/IUCN.UK.2013-2.RLTS.T56236A3036276.en |access-date=16 November 2021}}</ref> Their breeding occurs in water, where eggs are laid in various locations and fertilised one by one.<ref name="reproduction" /> They eat a variety of [[Arthropod|arthropods]] and secrete [[Peptide|peptides]] from their skin to avoid becoming prey themselves.<ref name=":1" /><ref name=":2" /> Their population is assumed to be very large and not in any immediate danger.<ref name="IUCN Red List" /> |
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It is found in western and southern Africa. |
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Its natural [[habitat]]s are subtropical or tropical moist lowland [[forest]]s, dry [[savanna]], moist savanna, subtropical or tropical dry [[shrubland]], subtropical or tropical moist shrubland, subtropical or tropical high-altitude [[grassland]], [[swamp]]s, freshwater [[marsh]]es, intermittent freshwater marshes, pastureland, rural gardens, heavily degraded former forest, [[pond]]s, and [[canal]]s and ditches. |
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==Taxonomy== |
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This is a common, widespread frog in Africa. |
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''Kassina senegalensis'' was first described in 1841 by [[André Marie Constant Duméril]] and [[Gabriel Bibron]] as ''Cystignathus senegalensis''. Their description came from specimens that had been collected from ponds in [[Senegal]], sent to them by an individual identified only as Mr. Heudelot.<ref name="original description">{{cite book |last1=Duméril |first1=C. |last2=Bibron |first2=Gabriel |title=Erpétologie générale, ou, Histoire naturelle complète des reptiles |date=1841 |publisher=Roret |pages=418–419 |url=https://www.biodiversitylibrary.org/page/32523804#page/6/mode/1up |access-date=10 November 2022}}</ref> The genus ''Cystignathus'' was split into several new genera in 1853 by [[Charles Frédéric Girard]], with ''senegalensis'' ending up as the only species of the newly erected genus ''[[Kassina]]''.<ref>{{cite journal |last1=Girard |first1=Charles |title=Descriptions of new species of reptiles, collected by the U.S. Exploring Expedition, under the command of Capt. Charles Wilkes, U.S.N. Second Part. Including the species of batrachians, exotic to North America |journal=[[Proceedings of the Academy of Natural Sciences of Philadelphia]] |date=1853 |volume=6 |page=421 |url=https://www.biodiversitylibrary.org/page/1779956#page/442/mode/1up |access-date=11 November 2022 |publisher=Academy of Natural Sciences of Philadelphia}}</ref> Six other species names, four alternate combinations, and eight proposed subspecies of this species have all been subsequently [[synonym (taxonomy)|synonymised]] with the latest accepted name.<ref name=":0">{{cite web |title=Kassina senegalensis (Duméril and Bibron, 1841) |url=https://amphibiansoftheworld.amnh.org/Amphibia/Anura/Hyperoliidae/Kassininae/Kassina/Kassina-senegalensis |access-date=12 November 2022 |website=[[Amphibian Species of the World]] |publisher=[[American Museum of Natural History]]}}</ref> |
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==Description== |
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Senegal running frogs are relatively small and stocky. The [[vomer]] teeth of the upper mouth are arranged in two small groups. The tongue is heart-shaped. The [[Eustachian tube]] is quite small, and the eardrums are indistinct from the layer of skin covering them. Its four unwebbed fingers ordered from shortest to longest are its first, second, fourth, and third digits. The toes are also unwebbed. The eyes are large and somewhat protruding, while the head is shaped like an equilateral triangle, rounded at the tip. The entire body is smooth. In colour, ''Kassina senegalensis'' is greyish black, with brown longitudinal bands and spots of the same colour on various locations of the body, including the ears and eyes.<ref name="original description" /> They range in size from {{convert|35 to 40|mm|in}}.<ref name="field guide">{{cite book |last1=Carruthers |first1=Vincent |url=https://books.google.com/books?id=IQ5bDwAAQBAJ |title=The Wildlife of Southern Africa |date=6 February 2017 |publisher=[[Penguin Random House]] South Africa |isbn=978-1-77584-464-8 |language=en |access-date=11 November 2022}}</ref> Males are a little smaller than females, and they have [[chocolate (colour)|chocolate-coloured]] [[vocal sac]]s that can grow nearly twice their normal size during calls.<ref name="reproduction" /> |
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''Kassina senegalensis'' eggs are about {{convert|3|mm|in}} in diameter; this includes the jellylike membrane that covers them.<ref name="reproduction">{{cite journal |last1=Fleischack |first1=P. C. |last2=Small |first2=C. P. |date=3 September 1978 |title=The Vocalizations and Breeding Behaviour of Kassina senegalensis (Anura, Rhacophoridae) in Summer Breeding Aggregations |url=https://koedoe.co.za/index.php/koedoe/article/view/964/1097 |journal=[[Koedoe]] |language=en |volume=21 |issue=1 |pages=91–99 |doi=10.4102/koedoe.v21i1.964 |issn=2071-0771 |access-date=11 November 2022 |doi-access=free}}</ref> Identification of [[Tadpole|tadpoles]] can be difficult, as there is much variation among them, a trait shared with other species in the genus ''Kassina''.<ref name="tadpole">{{cite book |title=Stuttgarter Beiträge zur Naturkunde |date=1973 |url=https://www.biodiversitylibrary.org/item/292724#page/16/mode/1up |access-date=11 November 2022 |publisher=Staatliches Museum für Naturkunde}}</ref> They grow up to {{convert|75|mm|in}} long, with wide fins and humped backs.<ref>{{cite journal |last1=Wager |first1=Vincent A. |title=Tadpoles and eggs as diagnostic characters in some Amphibia |journal=Annals of the Transvaal Museum |date=1 April 1960 |volume=24 |issue=1 |pages=25–28 |hdl=10520/AJA00411752_308 |hdl-access=free |url=https://journals.co.za/doi/10.10520/AJA00411752_308 |language=en}}</ref> |
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==Distribution and habitat== |
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''Kassina senegalensis'' is found over a large portion of Africa, from [[Senegal]] in the west to [[Ethiopia]] and [[Somalia]] in the east, all the way south to [[South Africa]]. Its presence is uncertain in [[Burundi]], the [[Democratic Republic of the Congo]], [[Guinea-Bissau]], [[Mauritania]], and [[Togo]]. In the northern parts of its distribution, specifically [[Kenya]] and [[Tanzania]], the relationship between its range and that of its relative ''[[Kassina somalica]]'' is not well understood. It is found in many different habitats, including [[Savanna|savannas]] (both humid and dry), [[montane grasslands and shrublands]], [[Wetland|wetlands]], and artificial environments (such as [[Pasture|pastures]] and [[Canal|canals]]). They can be found at elevations as high as {{convert|2000|m|mi}}.<ref name="IUCN Red List" /> |
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==Behaviour and ecology== |
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===Reproduction and life cycle=== |
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''Kassina senegalensis'' can breed in both temporary and permanent sources of water,<ref name="IUCN Red List" /> although due to their relatively long growth time, these are usually permanent or semi-permanent.<ref name="reproductive ecology">{{cite journal |last1=Balinsky |first1=B. I. |title=The Reproductive Ecology of Amphibians of the Transvaal Idghveld |journal=Zoologica Africana |date=1969 |volume=4 |issue=1 |pages=37–93 |doi=10.1080/00445096.1969.11447365 |url=https://www.ajol.info/index.php/az/article/view/152237/141834 |access-date=12 November 2022|doi-access=free }}</ref> Males call to attract females. The clasping male initiates the female's egg laying with their [[Cloaca|cloacae]] kept about {{convert|2|mm|in}} apart. The male stays behind the female to fertilize eggs one at a time as the pair frequently moves to lay between one and fifteen eggs at each position. They are laid at a depth between {{convert|1 and 6|cm|in}}, quickly sinking to the bottom.<ref name="reproduction" /> A total of about 600 eggs are laid,<ref name="tadpole" /> which hatch after around six days.<ref name="reproduction" /> The presence of fish in breeding ponds shortens mating periods, whereas many other frog species avoid breeding in such conditions. All tested frog species, ''K. senegalensis'' included, immediately stopped breeding activity when the catfish species ''[[Clarias gariepinus]]'' is introduced.<ref>{{cite journal |last1=Muteveri |first1=T. |last2=Marshall |first2=B. E. |date=1 April 2007 |title=The Impact of Fish and Drought on Frog Breeding in Temporary Waters in Zimbabwe |url=https://www.tandfonline.com/doi/abs/10.1080/15627020.2007.11407385 |journal=[[African Zoology]] |volume=42 |issue=1 |pages=124–130 |doi=10.1080/15627020.2007.11407385 |issn=1562-7020 |s2cid=85782944 |access-date=11 November 2022}}</ref> They take 50–60 days to complete [[metamorphosis]].<ref name="reproductive ecology" /> |
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===Diet=== |
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In a study of ''K. senegalensis'' frogs in [[Cameroon]], this species was identified as a [[Generalist and specialist species|generalist]] forager that primarily consumed [[Orthoptera]] insect species (36%), [[Ant|ants]] (24%), and [[Spider|spiders]] (10%). There was no clear size preference for prey.<ref name=":1">{{cite journal |last1=Allingham |first1=Shaun M. |last2=Harvey |first2=Martiyn |title=Feeding Ecology of Kassina senegalensis in Cameroon (Amphibia, Anura, Hyperoliidae) |journal=Current Herpetology |date=December 2011 |volume=30 |issue=2 |pages=137–143 |doi=10.5358/hsj.30.137 |url=https://www.jstage.jst.go.jp/article/hsj/30/2/30_2_137/_article/-char/ja/ |access-date=11 November 2022}}</ref> |
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===Skin secretion=== |
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Senegal running frogs secrete the [[peptide]] Kassinakinin S from their skin, which induces the release of [[histamine]] from [[Mast cell|mast cells]]. Potential predators that consume this peptide experience painful inflammation that allows other secretory products to enter their bloodstream.<ref name=":2">{{cite journal |last1=Chen |first1=Tianbao |last2=Reid |first2=Cherith N. |last3=Walker |first3=Brian |last4=Zhou |first4=Mei |last5=Shaw |first5=Chris |date=18 November 2005 |title=Kassinakinin S: A Novel Histamine-Releasing Heptadecapeptide From Frog (Kassina senegalensis) Skin Secretion |url=https://www.sciencedirect.com/science/article/abs/pii/S0006291X0502084X |journal=[[Biochemical and Biophysical Research Communications]] |language=en |volume=337 |issue=2 |pages=474–480 |doi=10.1016/j.bbrc.2005.09.072 |issn=0006-291X |pmid=16188226 |access-date=12 November 2022}}</ref> |
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==Conservation== |
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The [[International Union for the Conservation of Nature]] (IUCN) has rated ''K. senegalensis'' as a [[least-concern species]], citing its extensive range and tolerance of many different habitats. It is unclear whether this species' large estimated population has significantly changed in recent years. On a local scale, Senegal running frogs may be affected by particularly severe habitat degradation. They are also sometimes traded internationally as pets, but not at a high enough level to be of special concern, according to the IUCN. Throughout its range, it is found in many ecologically [[Protected area|protected areas]].<ref name="IUCN Red List" /> |
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==Note== |
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{{NoteFoot}} |
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==References== |
==References== |
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{{reflist}} |
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* Schiøtz, A., et al. 2004. [http://www.iucnredlist.org/search/details.php/56236/all ''Kassina senegalensis'']. [https://web.archive.org/web/20140627094911/http://www.iucnredlist.org/ 2012 IUCN Red List of Threatened Species.] Downloaded on 26 May 2013. |
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[[Category:Taxonomy articles created by Polbot]] |
[[Category:Taxonomy articles created by Polbot]] |
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[[Category:Amphibians described in 1841]] |
[[Category:Amphibians described in 1841]] |
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[[Category:Amphibians of Africa]] |
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[[Category:Taxa named by André Marie Constant Duméril]] |
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{{Hyperoliidae-stub}} |
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[[Category:Taxa named by Gabriel Bibron]] |
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Latest revision as of 05:57, 20 May 2024
| Kassina senegalensis | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Anura |
| Family: | Hyperoliidae |
| Genus: | Kassina |
| Species: | K. senegalensis
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| Binomial name | |
| Kassina senegalensis | |
| |
| Range map of K. senegalensis[1] | |
| Synonyms | |
|
List
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Kassina senegalensis, also known as the Senegal running frog, along with many other common names,[note 1] is a species of frog native to much of Africa. It is a small and solidly-built species with large eyes. Most of the body is greyish-black, but there are brown bands and spots on certain parts.[3] They can be found in many types of habitats, such as shrublands, grasslands, and wetlands, at elevations as high as 2,000 metres (1.2 mi).[1] Their breeding occurs in water, where eggs are laid in various locations and fertilised one by one.[4] They eat a variety of arthropods and secrete peptides from their skin to avoid becoming prey themselves.[5][6] Their population is assumed to be very large and not in any immediate danger.[1]
Taxonomy
[edit]Kassina senegalensis was first described in 1841 by André Marie Constant Duméril and Gabriel Bibron as Cystignathus senegalensis. Their description came from specimens that had been collected from ponds in Senegal, sent to them by an individual identified only as Mr. Heudelot.[3] The genus Cystignathus was split into several new genera in 1853 by Charles Frédéric Girard, with senegalensis ending up as the only species of the newly erected genus Kassina.[7] Six other species names, four alternate combinations, and eight proposed subspecies of this species have all been subsequently synonymised with the latest accepted name.[2]
Description
[edit]Senegal running frogs are relatively small and stocky. The vomer teeth of the upper mouth are arranged in two small groups. The tongue is heart-shaped. The Eustachian tube is quite small, and the eardrums are indistinct from the layer of skin covering them. Its four unwebbed fingers ordered from shortest to longest are its first, second, fourth, and third digits. The toes are also unwebbed. The eyes are large and somewhat protruding, while the head is shaped like an equilateral triangle, rounded at the tip. The entire body is smooth. In colour, Kassina senegalensis is greyish black, with brown longitudinal bands and spots of the same colour on various locations of the body, including the ears and eyes.[3] They range in size from 35 to 40 millimetres (1.4 to 1.6 in).[8] Males are a little smaller than females, and they have chocolate-coloured vocal sacs that can grow nearly twice their normal size during calls.[4]
Kassina senegalensis eggs are about 3 millimetres (0.12 in) in diameter; this includes the jellylike membrane that covers them.[4] Identification of tadpoles can be difficult, as there is much variation among them, a trait shared with other species in the genus Kassina.[9] They grow up to 75 millimetres (3.0 in) long, with wide fins and humped backs.[10]
Distribution and habitat
[edit]Kassina senegalensis is found over a large portion of Africa, from Senegal in the west to Ethiopia and Somalia in the east, all the way south to South Africa. Its presence is uncertain in Burundi, the Democratic Republic of the Congo, Guinea-Bissau, Mauritania, and Togo. In the northern parts of its distribution, specifically Kenya and Tanzania, the relationship between its range and that of its relative Kassina somalica is not well understood. It is found in many different habitats, including savannas (both humid and dry), montane grasslands and shrublands, wetlands, and artificial environments (such as pastures and canals). They can be found at elevations as high as 2,000 metres (1.2 mi).[1]
Behaviour and ecology
[edit]Reproduction and life cycle
[edit]Kassina senegalensis can breed in both temporary and permanent sources of water,[1] although due to their relatively long growth time, these are usually permanent or semi-permanent.[11] Males call to attract females. The clasping male initiates the female's egg laying with their cloacae kept about 2 millimetres (0.079 in) apart. The male stays behind the female to fertilize eggs one at a time as the pair frequently moves to lay between one and fifteen eggs at each position. They are laid at a depth between 1 and 6 centimetres (0.39 and 2.36 in), quickly sinking to the bottom.[4] A total of about 600 eggs are laid,[9] which hatch after around six days.[4] The presence of fish in breeding ponds shortens mating periods, whereas many other frog species avoid breeding in such conditions. All tested frog species, K. senegalensis included, immediately stopped breeding activity when the catfish species Clarias gariepinus is introduced.[12] They take 50–60 days to complete metamorphosis.[11]
Diet
[edit]In a study of K. senegalensis frogs in Cameroon, this species was identified as a generalist forager that primarily consumed Orthoptera insect species (36%), ants (24%), and spiders (10%). There was no clear size preference for prey.[5]
Skin secretion
[edit]Senegal running frogs secrete the peptide Kassinakinin S from their skin, which induces the release of histamine from mast cells. Potential predators that consume this peptide experience painful inflammation that allows other secretory products to enter their bloodstream.[6]
Conservation
[edit]The International Union for the Conservation of Nature (IUCN) has rated K. senegalensis as a least-concern species, citing its extensive range and tolerance of many different habitats. It is unclear whether this species' large estimated population has significantly changed in recent years. On a local scale, Senegal running frogs may be affected by particularly severe habitat degradation. They are also sometimes traded internationally as pets, but not at a high enough level to be of special concern, according to the IUCN. Throughout its range, it is found in many ecologically protected areas.[1]
Note
[edit]References
[edit]- ^ a b c d e f g IUCN SSC Amphibian Specialist Group (2013). "Kassina senegalensis". IUCN Red List of Threatened Species. 2013: e.T56236A3036276. doi:10.2305/IUCN.UK.2013-2.RLTS.T56236A3036276.en. Retrieved 16 November 2021.
- ^ a b "Kassina senegalensis (Duméril and Bibron, 1841)". Amphibian Species of the World. American Museum of Natural History. Retrieved 12 November 2022.
- ^ a b c Duméril, C.; Bibron, Gabriel (1841). Erpétologie générale, ou, Histoire naturelle complète des reptiles. Roret. pp. 418–419. Retrieved 10 November 2022.
- ^ a b c d e Fleischack, P. C.; Small, C. P. (3 September 1978). "The Vocalizations and Breeding Behaviour of Kassina senegalensis (Anura, Rhacophoridae) in Summer Breeding Aggregations". Koedoe. 21 (1): 91–99. doi:10.4102/koedoe.v21i1.964. ISSN 2071-0771. Retrieved 11 November 2022.
- ^ a b Allingham, Shaun M.; Harvey, Martiyn (December 2011). "Feeding Ecology of Kassina senegalensis in Cameroon (Amphibia, Anura, Hyperoliidae)". Current Herpetology. 30 (2): 137–143. doi:10.5358/hsj.30.137. Retrieved 11 November 2022.
- ^ a b Chen, Tianbao; Reid, Cherith N.; Walker, Brian; Zhou, Mei; Shaw, Chris (18 November 2005). "Kassinakinin S: A Novel Histamine-Releasing Heptadecapeptide From Frog (Kassina senegalensis) Skin Secretion". Biochemical and Biophysical Research Communications. 337 (2): 474–480. doi:10.1016/j.bbrc.2005.09.072. ISSN 0006-291X. PMID 16188226. Retrieved 12 November 2022.
- ^ Girard, Charles (1853). "Descriptions of new species of reptiles, collected by the U.S. Exploring Expedition, under the command of Capt. Charles Wilkes, U.S.N. Second Part. Including the species of batrachians, exotic to North America". Proceedings of the Academy of Natural Sciences of Philadelphia. 6. Academy of Natural Sciences of Philadelphia: 421. Retrieved 11 November 2022.
- ^ Carruthers, Vincent (6 February 2017). The Wildlife of Southern Africa. Penguin Random House South Africa. ISBN 978-1-77584-464-8. Retrieved 11 November 2022.
- ^ a b Stuttgarter Beiträge zur Naturkunde. Staatliches Museum für Naturkunde. 1973. Retrieved 11 November 2022.
- ^ Wager, Vincent A. (1 April 1960). "Tadpoles and eggs as diagnostic characters in some Amphibia". Annals of the Transvaal Museum. 24 (1): 25–28. hdl:10520/AJA00411752_308.
- ^ a b Balinsky, B. I. (1969). "The Reproductive Ecology of Amphibians of the Transvaal Idghveld". Zoologica Africana. 4 (1): 37–93. doi:10.1080/00445096.1969.11447365. Retrieved 12 November 2022.
- ^ Muteveri, T.; Marshall, B. E. (1 April 2007). "The Impact of Fish and Drought on Frog Breeding in Temporary Waters in Zimbabwe". African Zoology. 42 (1): 124–130. doi:10.1080/15627020.2007.11407385. ISSN 1562-7020. S2CID 85782944. Retrieved 11 November 2022.