Plumed basilisk male

Plumed basilisks are bright green with small bluish spots along the dorsal ridge. These lizards may grow up to 3 ft (1 m) in length (most of which is tail), with an average length of about 2 ft (0.6 m). Males have three crests: one on the head, one on their back, and one on the tail. The females, however, only have one crest, on the head.

This lizard is able to run short distances across water using both its feet and tail for support, an ability shared with other basilisks. In Costa Rica, this has earned the plumed basilisk the nickname "Jesus Christ lizard". It is also an excellent swimmer and can stay under water for up to 30 minutes.
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