AZ Animals on MSN

Reindeer dig, ptarmigans feast: The tundra’s unseen alliance

Quick Take Reindeer are considered a keystone species. During the winter, herds of reindeer attract smaller animals like ...
Discover Wildlife

It runs faster than a passenger train and migrates 1,200km a year – meet the real-life sleigh pullers

An early satellite study recorded caribou in Arctic Alaska travelling distances of 5,000km each year, but experts say ...