Although many mammals are associated with tree hollows in
natural forests, in at least some circumstances they may be able
to persist despite reductions in hollow availability. For instance,
den sharing in social mammals may overcome, at least partly,
the shortage of hollows in managed forests (Banks et al., 2013).
This strategy may be more difficult for solitary mammals such as
most carnivores, where each hollow is generally used by a single
individual at a time, with the exception of male and female pairs
during the mating season, and of females with its cubs (Zielinski
et al., 2004). In forest carnivores it is thus possible that shortage
of hollows can be overcome through flexible behaviour allowing
animals to use different types of resting sites. At present, however,
information is still scarce on the flexibility of rest site use by forest
solitary carnivores, and what factors influence such flexibility.
Although many mammals are associated with tree hollows innatural forests, in at least some circumstances they may be ableto persist despite reductions in hollow availability. For instance,den sharing in social mammals may overcome, at least partly,the shortage of hollows in managed forests (Banks et al., 2013).This strategy may be more difficult for solitary mammals such asmost carnivores, where each hollow is generally used by a singleindividual at a time, with the exception of male and female pairsduring the mating season, and of females with its cubs (Zielinskiet al., 2004). In forest carnivores it is thus possible that shortageof hollows can be overcome through flexible behaviour allowinganimals to use different types of resting sites. At present, however,information is still scarce on the flexibility of rest site use by forestsolitary carnivores, and what factors influence such flexibility.
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