Keeled scales facts for kids

Keeled scales on a colubrid snake, Amphiesma stolatum

Keeled scales refer to reptile scales that, rather than being smooth, have a ridge down the center that may or may not extend to the tip of the scale, making them rough to the touch.

Gallery

Horned desert viper (Cerastes cerastes)
Puff adder (Bitis arietans)
Common European adder (Vipera berus)
Horned rattlesnake (Crotalus cerastes)
Western diamondback rattlesnake (Crotalus atrox)
Ottoman viper shows typical non-reflective appearance of reptiles with keeled scales
Timber rattlesnake (Crotalus horridus)
Echis carinatus
Bothrops neuwiedi
Puff Adder (Bitis arietans)

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Keeled scales Facts for Kids. Kiddle Encyclopedia.