Tongue flicking heralds flight behaviour following passive antipredator displays in dice snakes
V. Bjelica,
M. Anđelković,
M. Maričić
et al.
Abstract:When captured, many prey respond by biting the predator or struggling to get free. However, one indirect escape option is death feigning (DF), in which complete immobility supposedly “tricks” the predator into abandoning its meal. But lying motionless and exposed to a predator is dangerous; therefore, individuals should optimize DF occurrence and duration. We captured colour polymorphic dice snakes (Natrix tessellata, Natricidae) (N = 271) in the field and measured two behavioural responses: (1) the occurrence… Show more
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