No Refueling Stopovers for Migrating Bats

Migratory birds make refueling stops at one or more locations along their route. These stopover sites are critical; they provide food rich environments where birds can rapidly regain depleted fat stores before continuing their long treks. Likewise, several species of North American vespertilionid bats make long, north-south migrations each Read More...

Elephant Seal Ultra-marathon

Elephant seals are among the largest pinnipeds in the world, reaching weights of up to 7,500 pounds and lengths of 20 feet (Figure 1).
Read More...

The Great Black Bear Migration

Do black bears migrate? Well, it depends on the meaning of the word migrate. If by migration you mean regular season movements from breeding areas to feeding grounds, then probably not. However, if you take a wider view and define migration Read More...