Adult males measure 43–82 mm (1.7–3.2 in) and adult females 61–94 mm (2.4–3.7 in) in snout–vent length. The snout is weakly pointed in dorsal view and rounded laterally. The cranial crests are well-developed, while the parietal crests are low. The supra-tympanic crest is large and bulbous; the tympanum is visible. The parotoid glands are large.[6] The toes are one-half to one-third webbed. Preserved specimens are pale yellowish gray mid-dorsally, becoming more yellow laterally and gradually shading into pale yellow ventrally.[2]
Habitat and conservation
Incilius ibarrai occurs in pine-oak, premontane, and lower montane moist forests at elevations of 1,360–2,020 m (4,460–6,630 ft) above sea level. It breeds in ponds, marshes, and wet meadows. It is threatened by habitat loss. Chytridiomycosis is also as a possible threat, and may have caused the decline of some formerly robust populations, e.g., in the Sierra de las Minas biosphere reserve.[1]
^ abcFrost, Darrel R. (2017). "Incilius ibarrai (Stuart, 1954)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 2 January 2018.
^Mendelson, Joseph R.; Mulcahy, Daniel G.; Williams, Tyler S. & Sites, Jack W. (2011). "A phylogeny and evolutionary natural history of mesoamerican toads (Anura: Bufonidae: Incilius) based on morphology, life history, and molecular data". Zootaxa. 3138: 1–34.
