But they cant live there at all times, because there is no food up there.

Once winter arrives, the Ibex retreats to the safety of their homes in the clouds.

So the Ibex has to seek outnatural salt licks.

alpine ibex climbing dams

Dam walls are anotherprecious sourceof salts and minerals.

Up totwenty percentof hardened concrete is composed of ettringite.

Only the Alpine Ibex can exploit this resource.

alpine ibex climbing dams

Photo credit: Adriano Migliorati

Photo credit:Andreas Kay/Flickr

Photo credit:Fulvio Spada/Flickr

Photo credit: Paolo Seimandi

alpine ibex climbing dams

alpine ibex climbing dams

alpine ibex climbing dams

alpine ibex climbing dams

alpine ibex climbing dams