Lub Tricolored Blackbird yog suav nrog 2014 Lub Xeev Ntawm Cov Noog Saib. Twb tau teev tseg tias Kev Tiv Thaiv Kab Mob Los ntawm IUCN-World Conservation Union, cov tsiaj yog tam sim no tus neeg sib tw rau npe nyob rau hauv US Endangered Species Act (ESA), nrog rau California lub xeev ESA.
Vim li cas cov noog dub dub thiaj li muaj kev puas tsuaj?
Lub paj yog raug hem nrog kev ploj tuag vim yog kev cuam tshuam ntawm kev hloov pauv huab cua thoob ntiaj teb, suav nrog kev poob qis thiab dej qhuav, qhov chaw hloov pauv thiab nce noob predation los ntawm cov tsiaj me. Tricolored blackbirds ib zaug tsim cov zes loj heev ntawm ntau lab tus noog hauv California's Central Valley.
Puas muaj Tricolored Blackbirds tshuav?
Txawm tias lawv tseem tsim cov cheeb tsam loj, tus naj npawb ntawm Tricolored Blackbirds tau poob qis heev txij li xyoo 1930. Kev tshawb fawb tau ua nyob rau xyoo 1930s kwv yees tias muaj nyob ib ncig ntawm 2–3 lab Tricolored Blackbirds, tab sis tam sim no cov kws tshawb fawb kwv yees tias tsuas muaj ncig 300, 000.
Puas yog noog dub tiv thaiv?
Blackbirds yog tsoomfwv tiv thaiv hom tsiv teb tsaws chaw. Blackbird yog ib lo lus dav dav siv los piav txog lub tsev neeg Icterinae uas suav nrog, starlings1, orioles, cowbirds, grackles, liab-tis dub noog, rusty blackbirds, Brewer's blackbirds thiab yellow-headed blackbirds.
Koj tuaj yeem tua tus noog dub?
Nyob zoo ostxhaj tshuaj lub cev. Blackbirds yog cov noog uas tsis yooj yim, thiab txhaj tshuaj plawv / ntsws yuav tua lawv yuav luag tam sim.
