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Description

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A rather large Hyperolius (males 28-34 mm, females 36-42 mm) with a long pointed snout. Both sexes with the same pattern: dorsum yellow to brown with thin dark dorsolateral stripes, in eastern populations normally only extending 2/3 down the body. Western populations (ssp. viridistriatus) with better developed, green dorsolateral lines and often with a dark middorsal line which is sometimes split into spots. Ventrum and throat white to orange. The males have a large, flat, somewhat shagreened gular flap and small asperities on the dorsum; the females are smooth and considerably larger than the males. Pupil horizontal.This form is very similar in appearance and habitat preference to the western H. concolor and to the Central African H. kivuensis. Its range overlaps both, however, without signs of hybridisation. H. balfouri differs from H. concolor in the colour of the females (uniform green in H. concolor) and by the conspicuous middorsal stripe in areas where the two overlap. For differences between H. balfouri and H. kivuensis, see the latter.The western populations from Cameroun often have a conspicuous dark middorsal stripe, a feature only seen on a few of the eastern specimens. The Cameronese form is normally termed H. b. viridistriatus Monard 1951 while the eastern form from eastern R. D. Congo, south-western Ethiopia and Uganda, is termed H. b. balfouri. If there is a gradual transition between them in the unexplored areas in between, there is hardly any reason to maintain the subspecies.This account was taken from "Treefrogs of Africa" by Arne Schiøtz with kind permission from Edition Chimaira (http://www.chimaira.de/) publishers, Frankfurt am Main.
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Distribution and Habitat

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From the savanna of Cameroun to Uganda and south-western Ethiopia.
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Life History, Abundance, Activity, and Special Behaviors

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The call of both subspecies is similar to those of H. kivuensis and H. concolor but with deeper, coarse, slow, unmelodic croaks.
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Hyperolius balfouri ( Catalan; Valencian )

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Hyperolius balfouri és una espècie de granota que viu al Camerun, República Centreafricana, República Democràtica del Congo, Etiòpia, Kenya, Sudan, Uganda i, possiblement també, al Txad i Nigèria.

Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.

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Hyperolius balfouri: Brief Summary ( Catalan; Valencian )

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Hyperolius balfouri és una espècie de granota que viu al Camerun, República Centreafricana, República Democràtica del Congo, Etiòpia, Kenya, Sudan, Uganda i, possiblement també, al Txad i Nigèria.

Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.

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Hyperolius balfouri

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Hyperolius balfouri is a species of frog in the family Hyperoliidae. It is found in Cameroon, Central African Republic, northeastern Democratic Republic of the Congo, South Sudan, southwestern Ethiopia, Uganda, and western Kenya.[1][2][3] The specific name balfouri honours J.W. Balfour, a missionary in Uganda.[4] Common names Balfour's reed frog and Ethiopia reed frog have been coined for this species, with the latter name referring to the now-synonymized Hyperolius zavattarii.[2] Populations from the western part of the range may be referred to the subspecies Hyperolius balfouri viridistriatus.[3]

Description

Adult males measure 28–34 mm (1.1–1.3 in) and adult females 36–42 mm (1.4–1.7 in) in snout–vent length. The dorsum is yellow to brown with thin, dark dorsolateral stripes. In the eastern populations these are shorter, extending 2/3 down the body, whereas in the western populations the lines are green and better developed; often a dark middorsal line, sometimes split into spots, is present. The venter and throat are white to orange. Males possess a large, flat, somewhat shagreened gular flap and small asperities on the dorsum. Females have smooth skin.[3]

Habitat and conservation

Hyperolius balfouri occurs in savannas at elevations below 820 m (2,690 ft). In southwestern Ethiopia it can occur in tropical deciduous forests, and it can also occur formerly forested areas in Cameroon. Breeding takes place in small pools. It is an abundant species that is unlikely to face significant threats, except perhaps in the Ethiopian part of its range where deforestation could be a threat. It occurs in some protected areas.[1]

References

  1. ^ a b c IUCN SSC Amphibian Specialist Group (2013). "Hyperolius balfouri". IUCN Red List of Threatened Species. 2013: e.T56114A18374756. doi:10.2305/IUCN.UK.2013-2.RLTS.T56114A18374756.en. Retrieved 15 November 2021.
  2. ^ a b c Frost, Darrel R. (2018). "Hyperolius balfouri (Werner, 1908)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 15 July 2018.
  3. ^ a b c "Hyperolius balfouri". AmphibiaWeb. University of California, Berkeley. 2008. Retrieved 15 July 2018.
  4. ^ Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 15. ISBN 978-1-907807-42-8.
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Hyperolius balfouri: Brief Summary

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Hyperolius balfouri is a species of frog in the family Hyperoliidae. It is found in Cameroon, Central African Republic, northeastern Democratic Republic of the Congo, South Sudan, southwestern Ethiopia, Uganda, and western Kenya. The specific name balfouri honours J.W. Balfour, a missionary in Uganda. Common names Balfour's reed frog and Ethiopia reed frog have been coined for this species, with the latter name referring to the now-synonymized Hyperolius zavattarii. Populations from the western part of the range may be referred to the subspecies Hyperolius balfouri viridistriatus.

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Hyperolius balfouri ( Spanish; Castilian )

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Hyperolius balfouri es una especie de anfibios de la familia Hyperoliidae. Habita en Camerún, República Centroafricana, República Democrática del Congo, Etiopía, Kenia, Sudán, Uganda, posiblemente Chad y posiblemente Nigeria. Su hábitat natural incluye bosques tropicales o subtropicales secos, bosques tropicales o subtropicales secos y a baja altitud, sabanas secas y húmedas, praderas húmedas o inundadas en algunas estaciones, marismas de agua dulce, corrientes intermitentes de agua dulce y zonas previamente boscosas ahora degradadas. Está amenazada de extinción por la pérdida de su hábitat natural.

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Hyperolius balfouri: Brief Summary ( Spanish; Castilian )

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Hyperolius balfouri es una especie de anfibios de la familia Hyperoliidae. Habita en Camerún, República Centroafricana, República Democrática del Congo, Etiopía, Kenia, Sudán, Uganda, posiblemente Chad y posiblemente Nigeria. Su hábitat natural incluye bosques tropicales o subtropicales secos, bosques tropicales o subtropicales secos y a baja altitud, sabanas secas y húmedas, praderas húmedas o inundadas en algunas estaciones, marismas de agua dulce, corrientes intermitentes de agua dulce y zonas previamente boscosas ahora degradadas. Está amenazada de extinción por la pérdida de su hábitat natural.

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Hyperolius balfouri ( Basque )

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Hyperolius balfouri Hyperolius generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.

Erreferentziak

Ikus, gainera

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Hyperolius balfouri: Brief Summary ( Basque )

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Hyperolius balfouri Hyperolius generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.

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Hyperolius balfouri ( French )

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Hyperolius balfouri est une espèce d'amphibiens de la famille des Hyperoliidae[1].

Répartition

Cette espèce se rencontre jusqu'à 820 m d'altitude[1],[2] :

Elle pourrait être présente dans le sud du Tchad.

Étymologie

Cette espèce est nommée en l'honneur du missionnaire J. W. Balfour[3].

Publication originale

  • Werner, 1908 "1907" : Ergebnisse der mit Subvention aus der Erbschaft Treitl unternommenen zoologischen Forschungsreise Dr. Franz Werners nach dem agyptischen Sudan und Nord-Uganda. XII. Die Reptilien und Amphibien. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche, vol. 116, p. 1823-1926.

Notes et références

  1. a et b Amphibian Species of the World, consulté lors d'une mise à jour du lien externe
  2. UICN, consulté lors d'une mise à jour du lien externe
  3. Beolens, Watkins & Grayson, 2013 : The Eponym Dictionary of Amphibians. Pelagic Publishing Ltd, p. 1-262
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Hyperolius balfouri: Brief Summary ( French )

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Hyperolius balfouri est une espèce d'amphibiens de la famille des Hyperoliidae.

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Hyperolius balfouri ( Vietnamese )

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Hyperolius balfouri là một loài ếch thuộc họ Hyperoliidae. Loài này có ở Cameroon, Cộng hòa Trung Phi, Cộng hòa Dân chủ Congo, Ethiopia, Kenya, Sudan, Uganda, có thể cả Chad, và có thể cả Nigeria. Môi trường sống tự nhiên của chúng là rừng khô nhiệt đới hoặc cận nhiệt đới, rừng ẩm vùng đất thấp nhiệt đới hoặc cận nhiệt đới, xavan khô, xavan ẩm, đồng cỏ nhiệt đới hoặc cận nhiệt đới vùng ngập nước hoặc lụt theo mùa, đầm nước ngọt, đầm nước ngọt có nước theo mùa, và rừng trước đây suy thoái nghiêm trọng. Chúng hiện đang bị đe dọa vì mất môi trường sống.

Tham khảo


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Hyperolius balfouri: Brief Summary ( Vietnamese )

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Hyperolius balfouri là một loài ếch thuộc họ Hyperoliidae. Loài này có ở Cameroon, Cộng hòa Trung Phi, Cộng hòa Dân chủ Congo, Ethiopia, Kenya, Sudan, Uganda, có thể cả Chad, và có thể cả Nigeria. Môi trường sống tự nhiên của chúng là rừng khô nhiệt đới hoặc cận nhiệt đới, rừng ẩm vùng đất thấp nhiệt đới hoặc cận nhiệt đới, xavan khô, xavan ẩm, đồng cỏ nhiệt đới hoặc cận nhiệt đới vùng ngập nước hoặc lụt theo mùa, đầm nước ngọt, đầm nước ngọt có nước theo mùa, và rừng trước đây suy thoái nghiêm trọng. Chúng hiện đang bị đe dọa vì mất môi trường sống.

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