IUCN threat status:

Least Concern (LC)

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Leptodactylus grieseigularis is a leptodactylid frog that inhabits tropical lowland and montane forests on the east side of the Andes in southern Bolivia and northern Peru, up to altitude of 1,800 m.  While not a common frog, it has a fairly wide distribution and is present in multiple protected areas, including Madidi and Carrasco in Brazil, and is not considered to be a threatened species.  The etymology of its name reflect its grey (Latin: griseus) throat (Latin: gula; de Sá et al. 2014).

Leptodactylus grieseigularis is medium in size, with males reaching 51 mm (2 inches) and females larger at sizes up to 58 mm (2.3 inches) in snout vent length.  This species can be found sympatrically with several other Leptodactylus species: the larger L. boliviana, and L. wagnerii, the smaller L. pascoensis and L. petersoni, and L. leptodactyloides with which it is most likely to be confused (Heyer 1994).  Before 1994 L. grieseigularis was considered a synonym of L. wagneri (Heyer 1984; 1994).  Molecular analyses help to establish it as part of the L. melanonotus group (de Sá et al. 2014).  Its lightly mottled belly pattern and light stripes on the thighs are distinguishing characteristics, and almost all males have large black thumb spines.  Its advertisement call is also distinguishing, Heyer and Morales (1995) note it is the shortest call of all species in the genus. Heyer and Morales (1995; see also de Sá et al. 2014; Köhler 2000) described and compared its call to closely related L. leptodactyloides and L. petersii, finding all three calls very distinct. 

Like other leptodactilid frogs, L. grieseigularis lays eggs into a foam nest.  It breeds in stagnant water but larval stages are as yet unknown (Köhler 2000; de Sá et al. 2014).


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