, ▁green - wing ed ▁te al , ▁common ▁e ider , ▁Canada ▁go ose , ▁and ▁horn ed ▁and ▁red - ne ck ed ▁gre bes . ▁Sand hill ▁c ran es ▁also ▁nest ▁on ▁the ▁t und ra , ▁with ▁common , ▁Ar ctic ▁and ▁yellow - bil led ▁lo ons . ▁Se ab ird s ▁include ▁gla uc ous ▁g ull s , ▁Ar ctic ▁t ern s , ▁long - ta iled ▁ja eg ers ▁and ▁common ▁mur res . ▁Land bird s ▁include ▁will ow ▁and ▁rock ▁pt arm ig ans . ▁Pred atory ▁land bird s ▁include ▁per egr ine ▁fal cons , ▁snow y ▁ow ls ▁and ▁g osh aw ks . ▁End anger ed ▁species ▁at ▁Cape ▁Kr us enst ern ▁include ▁the ▁possibly ▁ext inct ▁E sk imo ▁cur le w , ▁and ▁threatened ▁spect ac led ▁e ider ▁and ▁St eller ' s ▁e ider . ▁ ▁We ather ▁in ▁the ▁coast al ▁monument ▁is ▁subject ▁to ▁extrem es . ▁A verage ▁low ▁temper atures ▁in ▁January ▁are ▁, ▁and ▁can ▁reach ▁night time ▁l ows ▁of ▁. ▁Summer ▁temper atures ▁average ▁around ▁, ▁and ▁can ▁reach ▁. ▁Since ▁the ▁park ▁is ▁above ▁the ▁Ar ctic ▁Circle , ▁the ▁sun ▁does ▁not ▁set ▁from ▁June ▁ 3 ▁to ▁July ▁ 9 , ▁and ▁the ▁sun ▁is ▁visible ▁for ▁only ▁ 1 - 1 / 2 ▁hour ▁on ▁the ▁winter ▁sol st ice , ▁with ▁long ▁periods ▁of ▁tw il ight ▁on ▁either ▁side