Marsupialia, Marsupialia, Lagomorpha, and Lagomorpha, and

InsectivoraInsectivora

Marie RhodesMarie Rhodes

MarsupialsMarsupials

Typically has a pouchTypically has a pouch Differs from placental Differs from placental

mammals in mammals in reproductive traitsreproductive traits

Embryo is born at Embryo is born at early stage of early stage of development (4-5 development (4-5 weeks)weeks)

A Marsupial Near YouA Marsupial Near You

Virginia OpossumVirginia OpossumDidelphis virginianaDidelphis virginiana

NocturnalNocturnal SolitarySolitary OmnivorousOmnivorous AdaptableAdaptable Typically lives 2-4 Typically lives 2-4

yearsyears

LagomorphaLagomorpha

Resemble rodentsResemble rodents HerbivoresHerbivores Four upper incisorsFour upper incisors Males scrotum in Males scrotum in

front of penisfront of penis Penis has no bonePenis has no bone

Eastern CottontailEastern CottontailSylvilagus floridanusSylvilagus floridanus

Females are Females are bigger than malesbigger than males

Can have up to Can have up to seven litters a seven litters a yearyear

Litters usually Litters usually consist of three consist of three youngyoung

Appalachian CottontailAppalachian CottontailSylvilagus obscurusSylvilagus obscurus

Found in dense Found in dense conifer and conifer and deciduous forests deciduous forests at upper elevationsat upper elevations

Only cottontails Only cottontails known to feed known to feed heavily on conifer heavily on conifer needlesneedles

Snowshoe HareSnowshoe HareLepus americanusLepus americanus

Found in variety of Found in variety of habitatshabitats

NocturnalNocturnal Can have two to Can have two to

five litters per yearfive litters per year Populations Populations

fluctuate radically fluctuate radically over ten year cyclesover ten year cycles

American PikaAmerican PikaOchotona princepsOchotona princeps

Males and females Males and females have same size have same size individual territoriesindividual territories

Spend most of the Spend most of the day observing their day observing their surroundingssurroundings

Young are Young are independent a independent a mouth after birthmouth after birth

InsectivoraInsectivora

Long pointed Long pointed snoutssnouts

Sharp teethSharp teeth Eyes are usually Eyes are usually

small to absentsmall to absent Small to medium Small to medium

sizedsized

Shrews in PAShrews in PA• Long-tailed Shrew (right)

Sorex dispar• Smokey shrew (bottom right)

Sorex fumeus• Water Shrew (below)

Sorex palustris

Shrews in PAShrews in PA• Cinereus shrew (left)

Sorex Cinereus

• Northern short-tailed shrew (bottom Left)

Blarina brevicauda• Least shrew (below)

Cryptotis parva

Hairy-tailed MoleHairy-tailed MoleParascalops BreweriParascalops Breweri

Occur in a variety Occur in a variety of habitatsof habitats

Prefers loose soilsPrefers loose soils Eyes are very Eyes are very

smallsmall Have no external Have no external

earsears

Star-nosed MoleStar-nosed MoleCondylura cristataCondylura cristata

22 fingerlike 22 fingerlike appendages appendages surrounding its surrounding its nostrilsnostrils

Used for object Used for object manipulationmanipulation

Good swimmersGood swimmers

HedgehogsHedgehogs

Spines are hollowSpines are hollow OmnivorousOmnivorous NocturnalNocturnal Five toes on front Five toes on front

paws and 4 on paws and 4 on backback