Most of you have likely seen these skinks when they are active foraging on the surface or even in trees. If you or a predator grabs them by the tail it breaks off and continues to wriggle, attracting the attention of the attacker while the lizard escapes. The tail will re-grow but it is not the same structure. Now the adult males of some species of skinks have long been considered venomous by rural folk who called them scorpions. This has been considered a foolish country legend until recently when it has been shown that these skinks, while not venomous, are indeed toxic if eaten by a predator. Cats in particular have been reported to be affected by a toxin if they eat these lizards. It is interesting that the blue tail color seems to serve two functions, to divert the attack of a predator to the tail instead of the head, and likely to warn predators that the lizard is toxic. The use of blue coloration for this purpose is interesting since it less commonly used to warn predators than red or orange.
The mysterious blue-tailed skink
Most of you have likely seen these skinks when they are active foraging on the surface or even in trees. If you or a predator grabs them by the tail it breaks off and continues to wriggle, attracting the attention of the attacker while the lizard escapes. The tail will re-grow but it is not the same structure. Now the adult males of some species of skinks have long been considered venomous by rural folk who called them scorpions. This has been considered a foolish country legend until recently when it has been shown that these skinks, while not venomous, are indeed toxic if eaten by a predator. Cats in particular have been reported to be affected by a toxin if they eat these lizards. It is interesting that the blue tail color seems to serve two functions, to divert the attack of a predator to the tail instead of the head, and likely to warn predators that the lizard is toxic. The use of blue coloration for this purpose is interesting since it less commonly used to warn predators than red or orange.