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 Myotis Myotis 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; 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.
Northern Myotis Myotis septontrionalis Formerly Keen’s Myotis, Myotis keenii
Indiana Myotis Myotis sodalis Federally Endangered
Distinctive calcar
Small-footed Myotis Myotis leibii PA Threatened
Silver-haired Bay Lasionycteris noctivagans
Eastern Pipistrelle Pipistrellus subflavus
Big Brown Bat Eptesicus fuscus
Red Bat Lasiurus borealis
Hoary Bat Lasiurus cinereus
Evening Bat Nycticeius humeralis
Vampire Bat