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Three
Most Common Bats
in Orange County
Yuma
Myotis
|
Flight:
Swift and erratic.
x
Forages
primarily over water surfaces to feed on aquatic emergent
insects (caddisflies, flies, midges, small moths, and small
beetles).
x
Peak
activity is during the first two hours after
sunset in spring and summer.
x
Roosts:
In natural and artificial structures: cliffs, caves, mines,
trees, bridges, buildings.
x
Habitat:
Occurs w. North America in variety of habitats,
especially near permanent water. |
Mexican
free-tailed Bat
|
Flight:
Straight
& rapid; wings long & narrow.
x
Forages
at
high elevations for variety of agricultural pests (primarily
moths) at over 25 mph. Often flies more than 30 miles
from roost to foraging area.
x
Emerges
shortly after dusk and returns to day roost before
sunrise.
x
Roosts:
In
natural and artificial structures: caves, mines, rock crevices,
bridges, buildings, and bat houses.
x
Habitat:
Usually
in dry, lower-elevation habitats, but also in a variety of
others.
x |
Big
Brown Bat
 |
Flight:
Slow,
straight, and steady. Forages
within
a few kilometers of its day roost, feeding on heavy-bodied
flying insects (beetles) but also eats mosquitoes, moths,
and wasps.
Emerges
before darkness and is active, with periodic breaks, until
dawn.
Roosts:
In natural and artificial structures: buildings, bridges
(night roosts) and sycamore cavities, but also in caves
and mines.
Habitat:
Found
from Alaska to nor. South America in wide variety of habitats |
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