They tend to live in deep and very humid caves and have groups from 100 up to 10,000 bats. Another prime difference in this bat species compared to other, is that the Natalus stramineus has the longest genstation period reported for bats (some seven months). The Mexican funnel-eared bat also has migrant characteristics since it must live in a highly humid environment.
Bats in these caves are known to live in deep, very humid environments and form large groups.  A key difference between this species and others is that the Natalus stramineus has the longest recorded gestation period among bats (around seven months). The Mexican funnel-eared bat also migrates because it needs a humid environment.