Examples of hibernation

• Bears are thinner following hibernation.

• Bats are now beginning their long winter hibernation.

• Research showed that some members of the mosquito species have evolved so that hibernation is triggered by a shorter day length.

• At the end of the summer they search for hibernation sites where they spend winter and spring.

• In contrast, the extent of chronic pathology, the removal of host blood during hibernation, is likely to be determined primarily by immune competence.

• At the protein level, myoglobin appears to increase in skeletal muscle as animals prepare for and undergo hibernation.

• Altogether 189 adults hatched and 36 larvae remained in hibernation.

• The beetles had recently emerged from winter hibernation and started to mate.