11. Plants in temperate regions undergo dormancy during which they form a winter resting bud called a hibernaculum . 12. Horspath Tunnel is now owned by Oxfordshire County Council and is a hibernaculum for several species of bat. 13. In the winter, " D . rotundifolia " produces a hibernaculum to survive the cold conditions. 14. The cave is unique in that it is a hibernaculum for the endangered Indiana Bat in the winter months. 15. A hibernaculum that remained too warm during one winter caused a 45 % mortality rate in hibernating Indiana bats. 16. Later, Throbb develops frostbite on his wings, which strengthens Goth's determination to get to Hibernaculum . 17. It is one of the most widespread " hibernaculum during a period of winter dormancy in the winter. 18. Multi-instrumentalist and composer Mike Oldfield wrote an entire album based on and entitled " Hibernaculum ". 19. Torpid Virginia big-eared bats ( " Corynorhinus townsendii virginianus " ) with condensation photographed during a hibernaculum survey 20. He is also cunning, planning to eat Shade before they arrive at Hibernaculum and eating all the Silverwing bats in their sleep.