This was followed by a long hibernation period of 8years.

Mating usually results about a month after hibernation period.

Activity decreases during periods of drought and in the winter, but there is no true hibernation period.

As much as we wish, America is now going to go into a little hibernation period when it comes to politics.

The length of the hibernation period varies among species.

During the hibernation period, the animals stay in entirely covered shelter.

During the summer, they accumulate fat in their bodies, to nourish them through the hibernation period.

Then there is the usual hibernation period while the adult weevils form.

When all had left the facility, it was scrupulously clean and ready for the next hibernation period.

During the summer, they store fat in their bodies, to give the dormouse the energy it needs to survive through the hibernation period.