▁listed ▁end anger ed ▁California ▁least ▁t ern ▁( S tern a ▁ant ill ar um ▁brow ni ), ▁light - fo oted ▁rail ▁( R all us ▁ob so let us ▁lev ipes ) ▁and ▁least ▁Bell ' s ▁v ire o ▁( V ire o ▁bel li i ▁p us ill us ), ▁as ▁well ▁as ▁the ▁salt ▁mar sh ▁bird ' s - be ak ▁( C ord yl anth us ▁mar it im us ▁mar it im us ), ▁an ▁end anger ed ▁plant ▁species . ▁Design ated ▁as ▁a ▁G lob ally ▁Import ant ▁Bird ▁Area ▁by ▁the ▁American ▁Bird ▁Conserv ancy , ▁over ▁ 3 7 0 ▁species ▁of ▁birds ▁have ▁been ▁sight ed ▁on ▁the ▁refuge . ▁ ▁The ▁refuge ' s ▁habitat ▁and ▁wild life ▁management ▁programs ▁focus ▁on ▁the ▁recovery ▁of ▁end anger ed ▁species ▁through ▁research , ▁habitat ▁rest oration , ▁and ▁environmental ▁education . ▁ ▁See ▁also ▁ ▁T iju ana ▁River ▁Est u ary ▁ ▁References ▁ ▁Category : National ▁Wild life ▁Ref ug es ▁in ▁California ▁Category : Mar sh es ▁of ▁California ▁Category : Pro te cted ▁areas ▁of ▁San ▁Diego ▁County , ▁California ▁Category : S outh ▁Bay ▁( San ▁Diego ▁County ) ▁Category : Land forms ▁of ▁San ▁Diego ▁County , ▁California ▁Category : Pro te cted ▁areas ▁established ▁in ▁ 1 9 8 0 ▁Category : 1 9 8 0 ▁establish ments ▁in ▁California <0x0A> </s> ▁Wer au h ia ▁ac umin ata ▁is ▁a ▁plant