David Pattyn / Alpine marmot (Marmota marmota) carrying grass and other nesting material across snow to its nest while another one is on the lookout, Gran Paradiso National Park, Aosta Valley, Italy, April

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) parent with young feeding, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) feeding on flowers, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) parent feeding with begging young, Hohe Tauern National Park, Austria

Willi Rolfes/ BIA / Alpine Marmot (Marmota marmota) parent with young feeding, Hohe Tauern National Park, Austria

Enrique Lopez-Tapia / Himalayan marmot (Marmota himalayana). Chantang Wildlife Sanctuary. Ladakh, India,

Stephane Granzotto / Alpine marmot (Marmota marmota) standing alert outside burrow, takes fright and runs inside, Rhone-Alpes, France, July.

Donald M. Jones / Yellow-bellied Marmot (Marmota flaviventris) yawning, central Montana

Ingo Arndt / Alpine marmot in snow {Marmota marmota} Hohe Tauern NP Austria

Ingo Arndt / Two Alpine marmots {Marmota marmota} Hohe Tauern NP Austria

Ingo Arndt / Two Alpine marmots on look out {Marmota marmota} Hohe Tauern NP, Austria

Ingo Arndt / Alpine marmots on look out {Marmota marmota} Hohe Tauern NP, Austria