big brown bat
noun
: an insectivorous medium-sized bat (Eptesicus fuscus) having brownish fur that is found from southern Canada to northern South America and that often roosts in buildings
Examples of big brown bat in a Sentence
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Cave bats, which are more communal and easier to study, include the big brown bat, which is the species most likely to roost around homes or barns in warmer months.
—
Stephen Underwood, Hartford Courant, 22 Apr. 2026
Planners discovered the barn was a summer roost for big brown bats and decided to preserve their habitat.
—Erin Glynn, Cincinnati Enquirer, 31 Oct. 2025
There are about 30 species of bats across the Southeast, but the most common types that get into homes are the little brown bat (Myotis lucifugus) and big brown bat (Eptesicus fuscus).
—Arricca Elin Sansone, Southern Living, 21 Oct. 2025
Most small mammals are short-lived, but compared with mice of similar stature, the big brown bat lives up to five times as long, sometimes topping out at 19 years old.
—Byhannah Richter, science.org, 30 July 2024
Five minutes later, a big brown bat (mouse-size, despite its species name) was the first to be trapped.
—Brandon Loomis, The Arizona Republic, 20 May 2024
Little brown bat populations declined 89%, big brown bats dropped 47%, and Indiana bats saw the smallest effects, dropping 15%.
—Karl Schneider, The Indianapolis Star, 16 Apr. 2024
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Stephen Underwood, Hartford Courant, 22 Apr. 2026
Planners discovered the barn was a summer roost for big brown bats and decided to preserve their habitat.
—Erin Glynn, Cincinnati Enquirer, 31 Oct. 2025
There are about 30 species of bats across the Southeast, but the most common types that get into homes are the little brown bat (Myotis lucifugus) and big brown bat (Eptesicus fuscus).
—Arricca Elin Sansone, Southern Living, 21 Oct. 2025
Most small mammals are short-lived, but compared with mice of similar stature, the big brown bat lives up to five times as long, sometimes topping out at 19 years old.
—Byhannah Richter, science.org, 30 July 2024
Five minutes later, a big brown bat (mouse-size, despite its species name) was the first to be trapped.
—Brandon Loomis, The Arizona Republic, 20 May 2024
Little brown bat populations declined 89%, big brown bats dropped 47%, and Indiana bats saw the smallest effects, dropping 15%.
—Karl Schneider, The Indianapolis Star, 16 Apr. 2024
Cite this Entry
“Big brown bat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/big%20brown%20bat. Accessed 3 May. 2026.
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