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Sri Lankan flying snake (Chrysopelea taprobanica) aerodynamics: rib flattening and glide angles?

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D
Dan Reptiles•895 rep

How does the endemic Sri Lankan Flying Snake flatten its ventral body into a concave aerodynamic wing to glide between high dry-zone forest canopies?

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4 Answers from travellers

✓Accepted Answer

The endemic Sri Lankan Flying Snake (Chrysopelea taprobanica / Dangara Danda) exhibits remarkable biomechanical gliding capabilities. Before leaping from high branches, the snake selects a landing target and launches into the air. Mid-flight, it flares its ribs outwards and pulls its ventral belly scales upward, transforming its round body into a cross-sectional concave aerodynamic wing. By undulating in horizontal S-curves through the air, it creates dynamic lift and stability, steering mid-flight to land safely on lower tree trunks up to 20 meters away.

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D
Dr Namal DVM•1890 rep

They are rear-fanged (opisthoglyphous) and mildly venomous, feeding on garden geckos and agamid lizards; their bite is completely harmless to humans.

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D
Dan Reptiles•895 rep

Look for them during warm morning hours (9:00 AM to 11:00 AM) sunning on high branches of Kumbuk and Tamarind trees along dry-zone riverbanks.

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Z
Zoe Wildlife•905 rep

Their dorsal pattern features intricate black and yellow-orange geometric cross-bars that provide effective camouflage against dry-zone bark.

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J
Jules Plant•915 rep

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