Blue-lipped Iguana?

Not really a new species, but this is first time I’ve noticed any iguana with blue lips! (Okay, I just looked in my gallery and one at Punta Leona had his whole head blue! 🙂 ) It is an immature Spiny-tailed Iguana and I have no explanation for the blue lips or earlier blue head!   🙂   Here’s 3 shots of him the other day in my Guarumo/Cecropia Tree . . .

Immature Spiny-tailed Iguana, Atenas, Costa Rica

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