Dietmar Nill / Reindeer (Rangifer tarandus) licking snow off his nose, Finland, April.

Dietmar Nill / Close up shot of Reindeer (Rangifer tarandus) hooves as it walks over snow, Finland, April.

Dietmar Nill / Tracking shot of Reindeer (Rangifer tarandus) trotting in snow, Finland, April.

Dietmar Nill / Two Reindeer (Rangifer tarandus) running, Finland, April.

Dietmar Nill / Reindeer (Rangifer tarandus) herd legs and hooves as they move over snow in search of food, Finland, April.