Tag: Bear
These 3.7 million year old footprints weren’t made by a bear!
Prehistoric footsteps in Tanzania have been traced to a bear decades ago. Their comparison with fingerprints of current species now reveals that they were made by an as yet unidentified…
Wintering and hibernation: what are the differences?
The mammals that inhabit our Earth have developed different techniques to survive the throes of winter. They hibernate, of course. But some also choose to simply winter. A letter that…