Chiroptera (hand-wing)
Order Chiroptera
• only true flying mammals• date to Eocene (50 mya)• worldwide
– 17 families– 170 genera– 850 species
• suborders– Megachiroptera-flying foxes of tropics– Microchiroptera-worldwide
Pennsylvania’s Bats• all are Verspertilionids, ‘evening’ bats• all are insectivorous, hence migrate or hibernate• 11 species belonging to 6 genera
Little Brown MyotisMyotis lucifugus
Little Brown Myotis
Just the facts:• PA’s most common bat• 6-9 grams• may live to 25 years• favors ponds and streams for foraging• forages at about 13 mph, 3-6 m above ground• mate in early autumn; fertilization in spring upon rousing; 50-
60 day gestation• move to maternity colonies of hundreds• born after 30 minute labor in late May weighing1.5 grams• reaches sexual maturity at 8 mos.
notch
Northern MyotisMyotis septontrionalis
Formerly Keen’s Myotis, Myotis keenii
Indiana Myotis/Pink-faced BatMyotis sodalis
Federally Endangered
Distinctive calcar
Small-footed MyotisMyotis leibii
PA Threatened
Silver-haired BatLasionycteris noctivagans
Eastern PipistrellePipistrellus subflavus
Big Brown BatEptesicus fuscus
Red BatLasiurus borealis
Hoary BatLasiurus cinereus
Evening BatNycticeius humeralis
Vampire Bat