Emerald Tree Boa

A moderately sized, slender boid snake typically measuring 24–32 inches (61–81 cm) in total length, with some individuals reaching up to 39 inches (99 cm). Body is highly specialized for an arboreal existence, with a prehensile tail, slightly flattened form, and a distinctly angular head. Dorsal coloration in adults is brilliant emerald green, while juveniles are bright yellow or occasionally brick red, changing to green as they mature over their first 6–12 months. The dorsal surface is typically uniform in color, though some individuals display a faint vertebral stripe of white or cream scales. Keeled dorsal scales give the body a slightly textured appearance. A distinctive feature is the narrower head with well-separated pit organs along the upper labial scales, adapted for detecting warm-blooded prey. The eyes are large with vertical pupils. The ventral surface is typically pale green to white, sometimes with yellow tones. The prehensile tail is heavily patterned with fine transverse lines. Most remarkably, adults typically rest coiled along branches with their head resting in the center of the coil, a posture used to ambush prey. Primarily inhabits the upper canopy of tropical rainforests throughout the Amazon Basin, seldom descending to the ground. Typically found 10–60 feet (3–18 m) above ground on branches and vines. Highly specialized for nocturnal hunting; diet consists of small mammals, nestling birds, and lizards, subdued via envenomation from heat-sensing pit organs that allow precise strikes in darkness.