Northern dwarf tree frog: Difference between revisions
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{{Speciesbox |
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| name = Northern dwarf tree frog |
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| status = LC |
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| regnum = [[Animal]]ia |
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| phylum = [[Chordate|Chordata]] |
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| classis = [[Amphibia]] |
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| ordo = [[Anura]] |
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| familia = [[Hylidae]] |
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| genus = ''[[Litoria]]'' |
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| species = '''''L. bicolor''''' |
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| range_map = Litoria bicolor distrib.png |
| range_map = Litoria bicolor distrib.png |
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| range_map_caption = Range of the |
| range_map_caption = Range of the northern dwarf tree frog in Australia. |
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}} |
}} |
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| ⚫ | The ''' |
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| ⚫ | The '''northern dwarf tree frog''' ('''''Litoria bicolor''''') is a small species of [[tree frog]] native to northern Australia, from the [[Kimberley region of Western Australia|Kimberly]] region of [[Western Australia]] to [[Bowen, Queensland|Bowen]], [[Queensland]], and [[Aru Islands]] of Indonesia. |
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The Northern Dwarf Tree Frog is small slender tree frog growing up to 30 mm in length. The dorsal surface is green and is bordered by a bronze stripe that runs along the [[flank]]s, from the shoulder to the groin. There is a white stripe that runs along the upper lip to the base of the arm and may continue on to the groin. The belly is granular and white or pale yellow. The iris is golden and the [[tympanum (zoology)|tympanum]] is distinct. There is orange in the groin and thigh. The fingers have a trace of webbing and the toes are half to three-quarters webbed. |
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These small frogs are also commonly called sedge frogs. |
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| ⚫ | Most abundant in grassland or marshy areas, but also occurs along permanent or semi-permanent streams, billabongs and floodplains. Breeding starts with summer rains and 10- |
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The population occurring in Indonesia may not be ''L. bicolor'', and research on call structure or genetics is needed to confirm its taxonomic status. |
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[[file:Litoria bicolor.jpg|thumb|Litoria bicolor]] |
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The northern dwarf tree frog is small, slender tree frog growing up to 30 mm in length. |
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There is often a central bronze band running along the spine of the back. A narrow white stripe runs from under the eye, at the corner of the mouth, to the base of the arm. The ventral surface is cream or yellowish, with golden reflections on the thighs and groin area. The male throat is speckled with a darker color. The skin is granular in the belly and femoral region, but smooth elsewhere. |
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The iris of the eye is golden, the eardrum is distinct, the vomerine teeth are absent, and there is a strong pectoral fold. There are disks on the fingers and toes, the fingers are slightly webbed, and the fringed fingers are about three-quarters of a palm. There is an inner but not outer metatarsal tubercle, and the second finger is longer than the first.<ref name=":1">{{cite journal|access-date=2023-02-17|date=2014|doi=10.1071/9780643109773|first=Harold|last=Cogger|title=Reptiles and Amphibians of Australia|url=http://dx.doi.org/10.1071/9780643109773}}<!-- auto-translated by Module:CS1 translator --></ref> |
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| ⚫ | Most abundant in grassland or marshy areas, but also occurs along permanent or semi-permanent streams, billabongs and floodplains. Breeding starts with summer rains and 10-24 eggs are laid on submerged vegetation in temporary pools. Males call from around the breeding site from elevated positions. The call is a "wree-e-eck pippip" with the second part of the call starting before the first part finishes. Tadpole metamorphosis takes 70 to 80 days. |
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==Similar species== |
==Similar species== |
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The |
The northern dwarf tree frog is a member of the ''Litoria fallax'' complex, which includes also includes the [[eastern dwarf tree frog]] (''L. fallax''), [[Cooloola tree frog]] (''L. cooloolensis'') and [[Olongburra frog]] (''L. olongburensis''). All these species are similar in appearance (small, <30 mm and similar body shape) and have a similar call (ratchet-like "wreek"). The northern dwarf tree frog is most similar to the eastern dwarf tree frog. They occur together along the east coast of [[Queensland]]. ''L. bicolor'' can be distinguished from ''L. fallax'' most readily by the presence of a bronze stripe that runs down the flanks and the call. The first phase of the call of ''L. bicolor'' is twice as long as that of ''L. fallax''. |
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==References== |
== References == |
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{{Reflist}}{{Taxonbar|from=Q917813}} |
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*[http://frogsaustralia.net.au/frogs/display.cfm?frog_id=133 Frogs Australia Network - ''Litoria bicolor''] - call available here |
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[[Category:Litoria]] |
[[Category:Litoria]] |
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[[Category:Amphibians of the Northern Territory]] |
[[Category:Amphibians of the Northern Territory]] |
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[[Category:Amphibians of Queensland]] |
[[Category:Amphibians of Queensland]] |
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[[Category:Amphibians described in 1842]] |
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[[Category:Taxa named by John Edward Gray]] |
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[[ca:Litoria bicolor]] |
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[[Category:Frogs of Australia]] |
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[[fr:Litoria bicolor]] |
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Latest revision as of 15:18, 17 February 2023
| Northern dwarf tree frog | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Anura |
| Family: | Hylidae |
| Genus: | Litoria |
| Species: | L. bicolor
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| Binomial name | |
| Litoria bicolor Gray, 1842
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| Range of the northern dwarf tree frog in Australia. | |
The northern dwarf tree frog (Litoria bicolor) is a small species of tree frog native to northern Australia, from the Kimberly region of Western Australia to Bowen, Queensland, and Aru Islands of Indonesia.
These small frogs are also commonly called sedge frogs.
The population occurring in Indonesia may not be L. bicolor, and research on call structure or genetics is needed to confirm its taxonomic status.
Description[edit]
The northern dwarf tree frog is small, slender tree frog growing up to 30 mm in length.
It has a green dorsal surface and a thin bronze dorsolateral band that begins at the eye.[1]
There is often a central bronze band running along the spine of the back. A narrow white stripe runs from under the eye, at the corner of the mouth, to the base of the arm. The ventral surface is cream or yellowish, with golden reflections on the thighs and groin area. The male throat is speckled with a darker color. The skin is granular in the belly and femoral region, but smooth elsewhere.
The iris of the eye is golden, the eardrum is distinct, the vomerine teeth are absent, and there is a strong pectoral fold. There are disks on the fingers and toes, the fingers are slightly webbed, and the fringed fingers are about three-quarters of a palm. There is an inner but not outer metatarsal tubercle, and the second finger is longer than the first.[2]
Ecology and behaviour[edit]
Most abundant in grassland or marshy areas, but also occurs along permanent or semi-permanent streams, billabongs and floodplains. Breeding starts with summer rains and 10-24 eggs are laid on submerged vegetation in temporary pools. Males call from around the breeding site from elevated positions. The call is a "wree-e-eck pippip" with the second part of the call starting before the first part finishes. Tadpole metamorphosis takes 70 to 80 days.
Similar species[edit]
The northern dwarf tree frog is a member of the Litoria fallax complex, which includes also includes the eastern dwarf tree frog (L. fallax), Cooloola tree frog (L. cooloolensis) and Olongburra frog (L. olongburensis). All these species are similar in appearance (small, <30 mm and similar body shape) and have a similar call (ratchet-like "wreek"). The northern dwarf tree frog is most similar to the eastern dwarf tree frog. They occur together along the east coast of Queensland. L. bicolor can be distinguished from L. fallax most readily by the presence of a bronze stripe that runs down the flanks and the call. The first phase of the call of L. bicolor is twice as long as that of L. fallax.
References[edit]
- ^ Barker, J., Grigg, G. C., and Tyler, M. J. (1995). A Field Guide to Australian Frogs. Surrey Beatty and Sons, New South Wales.
- ^ Cogger, Harold (2014). "Reptiles and Amphibians of Australia". doi:10.1071/9780643109773. Retrieved 2023-02-17.
{{cite journal}}: Cite journal requires|journal=(help)