Feeding ecology and diet

This species is a visually oriented predator of lizards. These snakes have been observed feeding in daylight on a day gecko, Phelsuma ornata; the Round Island skink, Leiolop-isma telfairii; and another skink, Gongylomorphus bojerii. It is believed that the snake employs ambush-hunting techniques during the day and forages actively at night. The keel-scaled splitjaw employs an unusual method to stalk lizards at night. The snake raises its head several inches (centimeters) above the substrate and, while continually flicking its tongue, slowly approaches its prey using rectilinear motion. In captivity, adult splitjaws accept mice as prey; the species is not known to feed on mammals in nature.

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