Reproduction
The mating season for the Townsend's big-eared bat takes place in late fall. As with many animal species, courtship rituals are done by the male. Until spring, when ovulation and fertilization begin, the female stores the male's sperm in her reproductive tract. Gestation lasts from 50 to 60 days. When the pup is born, it is pink, naked, and helpless. Only one pup is birthed per female, although 90% of females give birth.
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