Face to face with a snake

I saw a big snake moving on earth
Suddenly going back I broke a branch
And caught the snake´s attention
My heart stood still and she turned to me

We saw each other, face to face
While rain was coming down
And wind was blowing

I saw a butterfly lying on a flower
The butterfly flew towards the snake
Whispered something and flew away
The snake shown me its tongue
And I think I saw her blink one eye
She turned around and keep on her way

And this was my confrontation
With an anaconda