It nests in open or hidden crevices among cliffs and boulders. Sealing cracks and crevices prevents ingress by rodents. It nests in rock crevices and rabbit burrows. Substrate spawning commonly occurs in nests, rock crevices or even burrows. It nests in crevices and holes in cliffs. The lynx creates its den in crevices or under ledges. It hides in rock cracks and crevices. Moisture is able to seep deep into these crevices. The eggs are usually laid in abandoned animal burrows and deep crevices. It comprises few mites, ants and spiders living in the cracks and crevices. It nests in crevices or holes in buildings. They do not build nests and live in caves or rock crevices. The film of flowing water would theoretically prevent contaminants from settling into cracks and crevices. Some even rest in crevices or caves. Nests are most frequently built in the eaves and other crevices of houses.