Tandy's sand frog

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Tandy's sand frog
Tomopterna tandyi02.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Pyxicephalidae
Genus: Tomopterna
Species:
T. tandyi
Binomial name
Tomopterna tandyi
Channing  [ fr ] and Bogart, 1996 [2]

Tandy's sand frog (Tomopterna tandyi) is a species of frog in the family Pyxicephalidae. [3] [4] It is found in South Africa, Botswana, Namibia, and south-western Angola, and from inland Tanzania and Kenya. It probably occurs more widely within and between these two disjunct areas. [1] [3] The specific name tandyi honours Robert Mills Tandy, an American biologist, herpetologist, and photographer [5] and the collector of the type material. [2]

Contents

Systematics

This species is a tetraploid that probably originated as a hybrid between Tomopterna cryptotis and Tomopterna delalandii . It is not possible to distinguish it morphologically from these two species, and many distributional records do not separate between T. tandyi and T. cryptotis. [1] [3]

Description

The holotype, an adult male, measures 38 mm (1.5 in) in snout–vent length. The tympanum is visible. The fingers have no webbing whereas the toes are partially webbed. The dorsum has patches of grey or olive on lighter background. The dorsal warts are reddish brown with black marks. Many individuals have a dark interocular bar. [2]

The male advertisement call is a series of continuously repeated notes. The call rate is about 7–8 notes per second and the emphasized frequency about 2700–2800 Hz. The call is distinct from T. delalandii and T. cryptotis. [2]

Habitat and conservation

Tandy's sand frog occurs in dry savanna, bush land, and grassland at elevations below 1,800 m (5,900 ft). It can often be found in agricultural areas and is associated with loose sandy soils where pans form. Breeding takes place in ephemeral shallow water, ditches, streams, and dams, [1] after individuals emerge from burrows at the start of the rainy season. The eggs are deposited in pools formed by rainfall, and the tadpoles develop in these. [4]

It is an adaptable species that is locally common in parts of its range. It is unlikely to face more than localized threats. It is probably occurs in many protected areas. [1]

Related Research Articles

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<i>Amietia delalandii</i> Species of amphibian

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Common sand frog Species of amphibian

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Delalandes sand frog Species of amphibian

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Knocking sand frog Species of amphibian

The knocking sand frog, also known as sandveld pyxie or Kruger burrowing frog, is a species of frog in the family Pyxicephalidae. It is found in southern Angola, Namibia, Botswana, southern Zimbabwe, southern Mozambique, northern South Africa, and Swaziland. This species was discovered during the evening of 23 October 1973 in South Africa's Kruger National Park. Two weeks after heavy rain fell in the area, large numbers were found around the Machayi and Mathlakuza Pans in the northeastern part of the Park near the Mozambican frontier.

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Marbled sand frog Species of amphibian

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<i>Chiromantis kelleri</i> Species of frog

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<i>Chiromantis petersii</i> Species of frog

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References

  1. 1 2 3 4 5 IUCN SSC Amphibian Specialist Group (2013). "Tomopterna tandyi". IUCN Red List of Threatened Species . 2013: e.T58780A3074393. doi: 10.2305/IUCN.UK.2013-2.RLTS.T58780A3074393.en . Retrieved 15 November 2021.
  2. 1 2 3 4 Channing, A. & Bogart, J. P. (1996). "Description of a tetraploid Tomopterna (Anura: Ranidae) from South Africa". South African Journal of Zoology. 31 (2): 80–85.
  3. 1 2 3 Frost, Darrel R. (2019). "Tomopterna tandyi Channing and Bogart, 1996". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 14 January 2019.
  4. 1 2 "Tomopterna tandyi Channing and Bogart, 1996". African Amphibians. Retrieved 14 January 2019.
  5. Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 211. ISBN   978-1-907807-42-8.