Zaj dabneeg uas muaj ntau San Francisco butterflies yeej paub zoo thiab depressing. Tsam tau raug hnyav ncawv nyob rau ntawm tib neeg txoj kev loj hlob rau ntau tshaj li ob centuries thiab yog ib lub tsev mus thawj paub tias piv txwv txog kev tu noob npauj npaim American infamous, lub Xerces xiav. Hos lwm butterflies uas nws muaj dai rau, los yog nrhiav kev pab kom tswj . . . → Nyeem ntxiv: Thaum Taxonomy ua ib hom Critically tsawg sim