pro sa ▁or ▁Spanish ▁p ond ▁t urt le . ▁Its ▁activity ▁is ▁very ▁low ▁and ▁it ▁is ▁not ▁commonly ▁seen . ▁ ▁M amm als ▁▁ ▁The ▁only ▁native ▁species ▁to ▁the ▁Crist ina ▁Island ▁mar sh es ▁is ▁the ▁ot ter ▁( l ut ra ▁lut ra ). ▁Although ▁other ▁rat ▁species ▁( O nd atra ▁z ib eth icus ▁or ▁mus k rat ) ▁and ▁m ice ▁can ▁be ▁present , ▁they ▁don ' t ▁exactly ▁belong ▁to ▁this ▁e cos ystem . ▁ ▁See ▁also ▁▁ ▁Natural ▁park ▁( Sp ain ) ▁ ▁References ▁▁ ▁Category : Land forms ▁of ▁And alus ia ▁Category : W et lands ▁of ▁Spain ▁Category : Mar sh es ▁of ▁Europe ▁Category : Ge ography ▁of ▁the ▁Province ▁of ▁H uel va ▁Category : N atural ▁par ks ▁of ▁Spain ▁Category : N atural ▁par ks ▁of ▁And alus ia ▁Category : Special ▁Prote ction ▁Are as ▁of ▁Spain ▁Category : Art icles ▁containing ▁video ▁cli ps <0x0A> </s> ▁Luther ▁Bu xt on ▁( Oct ober ▁ 1 2 , ▁ 1 8 2 2 ▁– ▁August ▁ 2 3 , ▁ 1 8 9 7 ) ▁was ▁an ▁American ▁phys ician ▁and ▁politician . ▁ ▁Born ▁in ▁Dan by , ▁R ut land ▁County , ▁Verm ont , ▁Bu xt on ▁graduated ▁from ▁Cast leton ▁University ▁and ▁Alb any ▁Medical ▁College . ▁In ▁ 1 8 4 9 , ▁Bu xt on ▁served ▁in ▁the ▁New ▁York ▁State ▁Assembly , ▁from ▁Br