What is that Tongue Doing?

head of a green iguana with tongue sticking out

I have lived with many iguanas over the years, but Stella, a green iguana, is the only one who constantly sticks her tongue out. I’m always afraid I’ll startle her and she’ll cut her tongue with her razor sharp teeth. Fortunately, that has never happened. Her tongue is intact.  So, why is her tongue always […]