Boana alfaroi (Caminer & Ron 2014)

Alfaroi's tree frog (Boana alfaroi) is a frog in the family Hylidae. It is endemic to Brazil, Ecuador, and Colombia. Scientists think it may also live in Peru. Scientists have seen it between 176 and 350 meters above sea level.

This is a medium-sized tree frog with large eyes. The adult male frog measures 27.9 to 36.3 mm long in snout-vent length and the adult female frog 39.7 to 49.2 mm. It has especially wide discs on its toes for climbing. The skin on its back is the color of light coffee.

This frog lives in tropical rainforests. It is nocturnal.

This frog is named after former President of Ecuador Eloy Alfaro Delgado.

Adult male, 32.06 mm SVL, foot length 13.22 mm, head length 8.77 mm, head width 10.02 mm, eye diameter 3.69 mm, tympanum diameter 2.19 mm, tibia length 18.74 mm, femur length 16.24 mm, arm length 5.71 mm, eye-nostril distance 2.59 mm, head wider than long and wider than body; snout rounded in lateral view, truncate in dorsal view; distance from nostril to eye shorter than diameter of eye; canthus rostralis indistinct, rounded; loreal region concave; internarial area convex; nostrils not protuberant, directed laterally; interorbital area slightly convex; eye large, strongly protuberant; diameter of eye 1.7 times diameter of tympanic annulus; tympanum concealed beneath skin;tympanic annulus evident, ovoid, longer dorsoventrally and concealed dorsally by supratympanic fold, separated from eye by ca. 1.01 times its diameter; posterior end of supratympanic fold reaches anterior border of arm insertion. Arm slender, axillary membrane absent; indistinct low tubercles present along ventrolateral edge of forearm; relative length of fingers I

Hypsiboas alfaroi occurs in the Ecuadorian northern Amazon region (Napo, Orellana, and Sucumbíos provinces; Fig. 15). Localities with known elevation range from 176 m (Nuevo Rocafuerte) to 350 m (Nueva Loja). Nuevo Rocafuerte is on the border between Ecuador and Peru; the occurrence of Hypsiboas alfaroi in Peru is highly likely. Specimens from Nuevo Rocafuerte, Playas de Cuyabeno, Puerto Bolívar, Estación Científica Yasuní of Universidad Católica del Ecuador, and Nueva Loja were found at night in primary and secondary forest, perching on vegetation 50 to 180 cm above the ground, in flooded areas, swamps, near streams and in forest away from water bodies. Individuals at San Vicente were found in pastures, secondary forests, flooded grassland, and ponds. Vegetation types for Ecuadorian localities are: (1) Amazonian Lowland Evergreen Forest, characterized by high plant alpha-diversity and a canopy of 30 m with emergent trees that reach 40 m, (2) Floodplain Lowland Forest of White Waters, characterized by periodical flooding with white waters from large rivers and vegetation that reaches 35 m of height with several vegetation strata, and (3) Lowland Forest of Palms and black-waters, swamps characterized by a canopy of 30 m with dense understory and a dominance of the palm Mauritia flexuosa.