▁along ▁the ▁coast ▁with ▁time . ▁ ▁Flora ▁and ▁fa una ▁St ▁C yrus ▁has ▁a ▁war mer ▁climate ▁than ▁much ▁of ▁n ortheast ▁Scotland ▁due ▁to ▁the ▁war ming ▁influence ▁of ▁the ▁sea , ▁and ▁as ▁a ▁result ▁many ▁of ▁the ▁plants ▁found ▁here ▁are ▁living ▁at ▁their ▁northern ▁limits . ▁Ex amples ▁of ▁this ▁include ▁species ▁such ▁as ▁ma iden ▁p ink , ▁wild ▁liqu or ice , ▁yellow ▁v etch ▁and ▁the ▁car n iv orous ▁Not ting ham ▁catch fly . ▁ ▁With ▁the ▁abund ance ▁of ▁wild flow ers , ▁St ▁C yrus ▁N NR ▁is ▁also ▁an ▁important ▁site ▁for ▁but ter f lies , ▁moth s ▁and ▁grass ho ppers . ▁One ▁species ▁of ▁particular ▁note ▁is ▁the ▁small ▁blue ▁but ter fly , ▁a ▁United ▁Kingdom ▁B iod iversity ▁Action ▁Plan ▁( B AP ) ▁species ▁at ▁its ▁northern ▁habitat ▁limit . ▁Over ▁ 2 0 0 ▁species ▁of ▁moth ▁have ▁been ▁recorded ▁on ▁the ▁reserve , ▁including ▁the ▁c inn ab ar ▁moth : ▁St ▁C yrus ▁is ▁the ▁most ▁nor ther ly ▁location ▁at ▁which ▁this ▁moth ▁has ▁been ▁recorded . ▁The ▁reserve ▁is ▁also ▁the ▁northern ▁limit ▁for ▁the ▁land ▁sn ail ▁C ep ae a ▁nem or alis . ▁ ▁St ▁C yrus ▁N NR ▁is ▁one ▁of ▁the ▁best - known ▁bird ▁sites ▁in ▁Ang us ▁and ▁K inc ard ine , ▁with ▁over ▁ 7 0 ▁different ▁species ▁of ▁bird ▁having ▁been ▁recorded ▁here . ▁These ▁include ▁w aders