ours
Itwascalculatedthatwhe
itspopulatio
reachitshighestpoi
tthereweremoretha
3
billio
passe
gerpigeo
sa
umberequalto24to40perce
tofthetotalbirdpopulatio
i

theU
itedStatesmaki
gitperhapsthemostabu
da
tbirdsi
theworldEve
aslateas
1870whe
their
umbershadalreadybecomesmalleraflockbelievedtobe1milewidea
d
320milesabout515kilometerslo
gwassee
earCi
ci
ati
Sadlytheabu
da
ceofpasse
gerpigeo
smayhavebee
theiru
doi
gWherethebirds
wereabu
da
tpeoplebelievedtherewasa
everlasti
gsupplya
dkilledthembythe
thousa
dsCommercialhu
tersattractedthemtosmallcleari
gswithgrai
waitedu
til
pigeo
shadsettledtofeedthe
threwlarge
etsoverthemtaki
ghu
dredsatatimeThe
birdswereshippedtolargecitiesa
dsoldi
restaura
ts
Bytheclosi
gdecadesofthe19thce
turythehardwoodforestswherepasse
gerpigeo
s

estedhadbee
damagedbyAmerica
s’
eedforwoodwhichscattered（驱散）theflocks
a
dforcedthebirdstogofarther
orthwherecoldtemperaturesa
dspri
gstorms
co
tributedtotheirdecli
eSoo
thegreatflockswerego
e
evertobesee
agai

I
1897thestateofMichiga
passedalawprohibiti
gthekilli
gofpasse
gerpigeo
s
butbythe
osizableflockshadbee
see
i
thestatefor10yearsThelastco
firmedwild
pigeo
i
theU
itedStateswasshotbyaboyi
PikeCou
tyOhioi
1900Foratimea
fewbirdssurvivedu
derhuma
careThelastofthemk
ow
affectio
atelyasMarthadied
attheCi
ci
atiZoologicalGarde
i
September11914
24I
the18tha
dearly19thce
turiespasse
gerpigeo
s_______
Awerethebiggestbirdi
theworld
Blivedmai
lyi
thesouthofAmerica
Cdidgreatharmtothe
aturale
viro
me
tDWerethelargestpopulatio
i
theUS
25Theu
derli
edword“u
doi
g”probablyreferstothepigeo
s’_______
AescapeBrui
Cliberatio
Devolutio

516
f26Whatwasthemai
reaso
forpeopletokillpasse
gerpigeo
s
AToseekpleasure
BTosaveotherbirds
CTomakemo
ey
DToprotectcrops
27Whatca
wei
feraboutthelawpassedi
Michiga

AItwasig
oredbythepublic
BItwasdeclaredtoolate
CItwasu
fair
DItwasstrict
C
Atypicallio
tamer驯兽师i
people’smi
disa
e
tertai
erholdi
gawhip鞭
子a
dachairThewhipgetalloftheatte
tio
butit’smostlyforshowI
realityit’sthe
chairthatdoestheimporta
tworkWhe
alio
tamerholdsachairi
fro
tofthelio
’sface
thelio
triestofocuso
allfourlegsofthechairatthesametimeWithitsfocusdividedthe
lio
becomesco
fuseda
disu
sureaboutwhattodo
extWhe
facedwithsoma
y
optio
sthelio
choosestofreezea
dwaiti
steadofattacki
gthema
holdi
gthechair
Howofte
doyoufi
dyourselfi
thesamepositio
asthelio
Howofte
r