![]() While some other bat species in its range have experienced dramatic population declines due to the fungal disease white-nose syndrome, the big brown bat is relatively resistant to the effects of the disease, and some populations have even increased since the syndrome arrived in North America. The big brown bat is not considered at risk for extinction, and is evaluated as the lowest conservation priority by the International Union for Conservation of Nature (IUCN). It is adaptable to many habitats and is considered a generalist species. Its range extends into parts of South America, found as far south as Colombia and Venezuela. The big brown bat occurs widely throughout the US, Canada, Central America, and the Caribbean. Lifespans of 6.5 years are considered average. Oftentimes only one offspring is produced per litter, though twins are common in the Eastern US. After hibernation ends in the spring, females form maternity colonies for giving birth to young. Their breeding season is in the fall, shortly before their annual hibernation. They are nocturnal, foraging for prey at night and roosting in sheltered areas during the day such as caves, tunnels, tree cavities, and human structures. ![]() Some of the beetles it consumes are serious agricultural pests, including cucumber beetles. Compared to other microbats, the big brown bat is relatively large, weighing 15–26 g (0.53–0.92 oz) and possessing a wingspan of 32.5–35 cm (12.8–13.8 in).īig brown bats are insectivorous, consuming a diverse array of insects, particularly night-flying insects, but especially beetles. It was first described as a species in 1796. ![]() The big brown bat ( Eptesicus fuscus) is a species of vesper bat distributed widely throughout North America, the Caribbean, and the northern portion of South America.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |