Animal
Big brown bat
Eptesicus fuscus
A medium-sized (15–25 g) insectivorous bat — among the most-common bats across North America, including Staten Island. Less affected by white-nose syndrome than the *Myotis* species (including little brown bat); now the borough's most-likely-encountered bat. Roosts in buildings, tree cavities, bridge structures. Eats large numbers of beetles, true bugs, mosquitoes, and other flying insects each night.
Scientific
Eptesicus fuscus is a 15–25 g bat with a wingspan of 12–13 inches. One of the most-common bats across North America. Roosts in buildings (attics, eaves, barns), tree cavities, bridge structures. Insectivorous; specialized for catching larger insects than smaller bat species — beetles are a particularly important food source.
The species is meaningfully less susceptible to white-nose syndrome than the Myotis species (including [[little-brown-bat|little brown bat]]). While Myotis populations crashed by 90%+ post-WNS, big brown bats have declined less dramatically and remain abundant. The species is now the most-encountered bat in much of the WNS-affected Northeast.
Hibernates in caves, mines, and buildings. More tolerant of cold than [[little-brown-bat|little brown bat]] — can hibernate in cold building structures that Myotis species cannot use.
On Staten Island
The borough’s most-encountered bat. Roosts in buildings, residential attics, parks structures, bridges. Active at dusk; insect-prey-driven activity patterns. Significant pest-control services where populations are robust.
NYC Parks and similar agencies sometimes provide bat houses to support populations and reduce conflicts where bats roost in unwanted building locations.
See also
Auto-generated from this entry’s typed relations: frontmatter, grouped by relation type so the editorial signal isn’t flattened.
- Counterpart to: [[little-brown-bat]]
- Member of: [[animal]]
- Contained by: [[staten-island]]
Sources
- USGS National Wildlife Health Center bat-monitoring records
- [[beacon-ny|New York]] State DEC bat-survey records
- Long-term Eptesicus ecology literature
Rooted in life.
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