I WONDER - Why Do Reindeers Have Fur On Their Hooves?

Reindeer have fur all over their bodies, including their hooves, which helps them stay warm and prevents slipping on icy surfaces. This adaptation is crucial for their survival in cold habitats. Reindeer travel in herds and can cover up to 1000 miles in search of food during winter.

In what way does having fur on the bottom of their feet benefit reindeer?

What distance can herds of reindeer travel in winter if food is scarce?