Hiking a 14er nearly always delivers a certain ecological transition. Though some have trailheads that start above treeline, most start lower, with a winding path through a forest. Then at a certain ...

For the most part, the collared pika is a vegetarian. But winters are cold in Alaska, and when the opportunity presents itself, this adorable animal finds a food source that is decidedly not ...

At-risk species in Canada include the leatherback sea turtle and wood turtle, the collared pika, Atlantic walrus, burrowing owl, and the north Atlantic right whale, among others. Between 1970 and 2016 ...