{$mEDiAurl}
whAt is onE ADvAntAgE oF EstABlishing BorDErs BEtwEEn DiFFErEnt AnimAl groupsA．thE groups CAn pAtrol thEir BorDErs ConstAntly.
B．thE mEmBErs oF EACh group CAn spEnD timE looking For FooD、
C．FooD CAn BE shArED Among thE DiFFErEnt groups.
D．Fighting BEtwEEn DiFFErEnt groups CAn inCrEAs