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Northern Yellow Bat, Lasiurus intermedius floridanus

Generic  LAIN photo illustrates distinctive appearance & typical roost behavior – dead palm fronds

LAIN

Echolocation: Typical Lasiurine pattern of oscillating calls (25 – 30K), lower in freq than LASEBO.  Sometimes confused with TABR

Florida Distribution:  Peninsular FL

Roosting Behavior: Beneath dead palm fronds, tree foliage & Spanish moss.  Usually solitary, may  roost in small groups during maternity season.

Foraging Behavior: Leaf and plant hoppers, damselflies, ants, beetles, flies Thought to prefer upland pine and oak habitats.

Reproduction: Mate in fall? 2-4 young born late May-June.

Management and Conservation Recommendations:  LAIN acoustic files were recorded during surveys in FL, GA and SC.  Forest conservation that includes conservation of oak & palm hammocks, and landscape practices that preserve  palm skirts and limit removal of dead fronds

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Urban Bat Status

Buildings
BatHouses

No

No

Status

FWS / USGS
Florida
FNAI
IUCN

none

Undetermined / SNR

G4/G5

LC

Description—Measurements

Mass g

FA mm

Wingspan

Total length

Tragus

Calcar

10 – 20  (avg 12-14)

47 - 52

350 - 390

112 - 131

blunt

 

Yellowish color with tips of hairs gray or brown, tail membrane furred only on the anterior half .

 of upper surface