The spruce forest is home to very specific bird species such as the black woodpecker, the spotted woodpecker, the green woodpecker, the speckled nutcracker, the crossbill of the fir… In piles of woods or slopes, it is not uncommon to meet the cute troglodyte or the furtive ermine!

Small rodents will also delight you: those who fly from branch to branch: squirrels of course! At home they are very dark, almost black, they are called charcoal squirrels.
Less pleasant encounter, vipers live in the pierriers. Very fearful, they hide at the slightest disturbance.

Very high in the sky, vultures and bearded vultures can watch you, they nest in the cliffs of the Fiz above Passy.
And there, at your feet, a whole fauna of insects including the famous crickets that sing in full heat.