FAUNAI BIYOBON, jamei hayvonotero guyand, ki baroi dar biyobon zindagi kardan mutobiq gashtaand. Faunai biyobon gunogun boshad ham nisbat ba faunai mintaqahoi namnok, masalan, faunai jangal, hayvonotash kam ast.
Dar biyobonhoe, ki darakhtu butta dorand, hayvonot beshtar zindagi mekunand. Olami hayvonoti biyobonhoi bedolu darakht va regashon harakatkunanda, inchunin sanglokh khele kam ast.