Pugnosed Tree Frog

About the Pugnosed Tree Frog

The Panama cross-banded tree frog or pug-nosed tree frog (Smilisca sila) is a species of frog in the family Hylidae found in the humid Pacific lowlands of southwestern Costa Rica to eastern Panama and in the Caribbean lowlands of Panama and northern Colombia. Males of the species utilize synchronous calling to hide their position from predators. Females create basins during amplexus and deposit fertilized eggs onto the surface of the water.

Males grow to 45 mm (1.8 in) and females to 62 mm (2.4 in) in snout–vent length. They are gray, tan or reddish brown in dorsal colouration, with tuberculate skin. White or green flecks as well as darker blotches and markings may be present. Ventral surface is creamy white. The males possess a grey, paired vocal sac used to participate in their characteristic choruses, while the females have a singular white vocal sac flecked with brown. The underside of the thighs and groin are brown with blue spots, while the underside of the arm has yellow spots. The irises of the frog's eyes are brown with a black netted pattern. Toes are webbed on front and back legs with large pads at the tip. Adult S. sila individuals are morphologically very... Wikipedia →