They hibernate overwinter as grubs, that may become active on warm winter days. Jerboas hibernate during the winter and use the permanent winter burrow for this. HQL (Hibernate Query Language) is the object-oriented version of SQL. They do not hibernate, but sleep in and stay close to their dens in winter. Groundhogs hibernate longer in northern latitudes than southern latitudes. In colder regions, snakes hibernate during winter. This led to ongoing controversy and speculation surrounding the relationship between JPA and Hibernate. In winter, ornate box turtles hibernate underground in burrows. They do not hibernate, but are capable of entering torpor. Badgers do not hibernate but may become less active in winter. In temperate climes, wasps hibernate in figs, and there are distinct crops. In northern New Zealand, many hedgehogs do not hibernate at all. In southern areas, rock squirrels may not hibernate at all. Lemmings do not hibernate through the harsh northern winter. Efforts were made to locate the nests before the insects hibernate in November.