
The SciencesAugust 1, 1969
The Weddell Seal
This Antarctic mammal can swim under the ice for more than an hour without coming up for air. How is it able to find its way back to its breathing hole, particularly during the long Antarctic night?

The Weddell Seal
This Antarctic mammal can swim under the ice for more than an hour without coming up for air. How is it able to find its way back to its breathing hole, particularly during the long Antarctic night?