The "calcar"
An appendage on each heel breaks up its outline and reinforces its leaf-like camouflage.
Cruziohyla calcarifer
Splendid leaf frog
Ventral contrast
Its yellow-orange belly with black bars acts as a visual warning.
Leg signals
Males wave their legs as a visual display to mark territory.
Hunter's eyes
Its eyes maximize light intake and sharpen nocturnal hunting.
Distribution
In Colombia it is known from the Choco biogeographic region, within a range that continues into Central America and northwestern Ecuador.