▁based ▁on ▁their ▁ranges ▁and ▁sk ull ▁structure . ▁ ▁Sh rew s ▁live ▁throughout ▁the ▁state , ▁even ▁on ▁isolated ▁islands , ▁in ▁habit ats ▁from ▁temper ate ▁rain ▁for ests ▁of ▁the ▁S out heast ▁to ▁Ar ctic ▁t und ra . ▁ ▁They ▁generally ▁eat ▁insect s , ▁sp iders , ▁and ▁other ▁small ▁in verte br ates , ▁though ▁they ▁may ▁also ▁eat ▁other ▁verte br ates ▁and ▁plants . ▁Their ▁pred ators ▁in ▁Al aska ▁include ▁we as els , ▁m arten , ▁fo x , ▁domestic ▁c ats , ▁other ▁sh rew s , ▁and ▁ow ls . ▁Sh rew s ▁may ▁be ▁helpful ▁in ▁agricult ural ▁areas ▁by ▁e ating ▁insect s , ▁but ▁elsewhere ▁they ▁may ▁be ▁p ests ▁by ▁e ating ▁household ▁meat ▁left ▁un cover ed . ▁None ▁of ▁Al aska ' s ▁sh rew ▁populations ▁is ▁threatened , ▁with ▁the ▁possible ▁exception ▁of ▁the ▁P rib il of ▁Island ▁sh rew . ▁ ▁B ats ▁B ats ▁are ▁not ▁abund ant ▁in ▁Al aska , ▁and ▁are ▁generally ▁found ▁only ▁in ▁S out heast ▁Al aska , ▁some ▁of ▁South central ▁Al aska , ▁and ▁in ▁the ▁Inter ior ▁as ▁far ▁north ▁as ▁the ▁Y uk on ▁River . ▁ ▁Car n iv or ans ▁ ▁Fel ids ▁ ▁Can ids ▁ ▁B ears ▁ ▁P inn ip eds ▁ ▁Pro cy on ids ▁ ▁Must el ids ▁ ▁Even - to ed ▁ung ul ates ▁ ▁Cet ace ans ▁ ▁Lag