|SREL Reprint #2124
Trap Height and Capture Success of
Arboreal Small Mammals: Evidence
from Southern flying Squirrels (Glaucomys volans)
Studies of small mamnials often rise live traps, but the effect of
different trapping heights on capture effectiveness of arboreal
mammals has not been directly addressed. We compared the
capture success of three trap heights ("low" = 2 m, "meditim" =
4.5-5 m, and "high" = 8-8.5 m) in capturing arboreal mammals.
Southern flying squirrels (Glaucomys volans) constituted 86% of
the captures. Low traps captured approximately half as many
squirrels (I 5) as either mediuni (30) or high traps (28), and
individual squirrels were recaptured at a single trap height more
often than expected based on chance. Traps at the three heights
exhibited significantly heterogeneity in initially capturing individual
flying squirrels (i.e., previously unmarked squirrels). We reject the
hypothesis that trap height does not affect capture success of
southern flying squirrels in southern forests during the stimnier.
We discuss the general importance of trap height in studies of
mammalian community ecology and conservation.
SREL Reprint #2124
Risch, T.S. and M.J. Brady. 1996. Trap height and capture success of arboreal small mammals: evidence from southern flying squirrels (Glaucomys volans). American Midland Naturalist 136:346-351.