The world of Glacier Bay is a very different place from season to season. A walk along the quiet, snowy paths of Bartlett Cove in January may reveal the tracks of river otters, porcupines, and even wolves, that would be hard to make out at any other time. In June, newly born harbor seal pups may dot the icebergs on an adventure up the waters of Glacier Bay. Find out what wildlife one might encounter during a visit to the park in each season with the Wildlife Viewing Seasonal Calendar. Glacier Bay is alive with wildlife in the summer months. Catch a humpback whale breach, or watch harbor seals with their pups. Fall is a season of migration for many animals in Glacier Bay. Moose and mountain goats are in rut, and predators enjoy late runs of salmon. Winter Wildlife Viewing.