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IDing Arkansas bats
n/a
7
Biology
Undergraduate 3
05/18/2011

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Term
Pale gray or brown above, buff below. Wings and interfemoral membrane naked. Enormous ears extend to middle of body when laid back. 2 large glandular lumps on nose. FA 1 1/2–1 7/8" (39–47 mm)FA 1 3/8-1 5/8" (35-42 mm)
Definition
Townsend's Big Eared Bat
Term
Large. Dark-light brown above, usually glossy. Belly paler, with dark hairs at base. Wings and inter-femoral membrane black. No fur on wings. Tragus short, broad, and rounded. FA 1 5/8–2" (42–51 mm)
Definition
Big Brown Bat
Term
Mahogany brown, with slight silver frosting. Interfemoral membrane furred above. Ears short and rounded, tragus very short. FA 1 3/8"–1 3/4" (35–45 mm)
Definition
Seminole Bat
Term
Dark brown, with short, thick, wooly fur. Hairs show little to no contrast between base and tip. Toes have long hairs extending beyond tips of claws. Skull has saggital crest. Typical short, rounded tragus.
Definition
Southeastern Bat
Term
Reddish brown to dark brown above. No fur on wings or interfemoral membrane. Tragus short and curved. Interfemoral membrane black. FA 1 1/4–1 1/2" (33–39 mm)
Definition
Evening Bat
Term
Brown, with white tipped fur on the belly. Wings and membrane naked. Large ears extend to middle of back when laid down. 2 large glandular lumps on nose. FA 1 5/8–1 3/4" (40–46 mm)
Definition
Rafinesque's Big Eared Bat
Term
Small. Reddish to light brown. Hair tricolored, dark at base, pale in middle, dark at tip. Tragus blunt. FA 1 1/4–1 3/8" (31–35 mm)
Definition
Tricolor Bat
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