Which mammal has the shortest life-span in the wild?

Each title may have a short life-span, but its sales are assured.

They have a short life-span of a couple of days.

Since many moths have a very short life-span, there was a big turnover among the inhabitants of her institution.

Most horses have a far shorter life-span in this environment than would be expected.

They are a kind of granulocyte, and have a short life-span of a couple of days.

J. Neely Johnson had the shortest life-span of any governor, 47 years.

Their more complex mechanical structure causes a shorter life-span than other shutter designs.

Yet unfortunately these proposals have had a very short life-span, because they were unacceptable to certain parties.

These creatures typically have a short life-span, such as the Creatures series where organisms can survive from half an hour to well over seven.