Americanblackbearsappearinavarietyofcolorsdespitethei...
问题详情: Americanblackbearsappearinavarietyofcolorsdespitetheirname.Intheeasternpartoftheirrange,mostofthesebearshaveshinyblackfur,butinthewesttheygrowbrown,red,orevenyellowcoats. 36 Eveninth...