SRD:Dire Bat

=DIRE BAT=

A dire bat has a wingspan of 15 feet and weighs about 200 pounds.

Combat
Dire bats swoop down upon unsuspecting prey from above.

Blindsense (Ex): A dire bat uses echolocation to pinpoint creatures within 40 feet. Opponents still have total concealment against the bat unless it can actually see them.

Skills: Dire bats have a +4 racial bonus on Spot and Listen checks. These bonuses are lost if its blindsense is negated.

See Wikipedia Entry: Bat