Lawv tsiv teb tsaws chaw, caij ntuj no nyob rau hauv Central America, West Indies, thiab sab qaum teb South America, thiab yog tsis tshua muaj vagrants mus rau sab hnub poob Europe. Thaum lub caij yug me nyuam, lub redstart inhabits open-canopy, feem ntau deciduous forests, thib ob loj hlob, thiab hav zoov ntug.
Puas yog American redstarts ntau?
American Redstarts yog ntau lub caij nplooj ntoo hlav thiab caij nplooj zeeg caij nplooj zeeg nyob rau sab hnub tuaj. Nws yog cov neeg tsiv teb tsaws chaw tom qab lub caij nplooj ntoo hlav (mus txog lub Tsib Hlis hauv ntau lub tebchaws Asmeskas thiab Canada) thiab cov neeg tsiv teb tsaws chaw nruab nrab lub caij nplooj zeeg (Lub Cuaj Hli-Lub Kaum Hli Ntuj).
Puas Redstarts common?
Habitat and time
Nyob rau kev tsiv teb tsaws chaw, nws yog ib tug noog ntawm ntoo, hedges thiab bushes. Dub Redstart yog ib hom tsiaj hauv nroog, ua xav tsis thoob hauv cov nroog thiab cov zos ntawm Tebchaws Europe. Hauv tebchaws Aas Kiv nws yug me me - tsawg dua 100 khub - nquag nyob rau sab qab teb sab hnub tuaj.
Puas yog American redstarts tsawg?
Tseem nthuav dav thiab ntau heev, tab sis kev tshawb fawb qhia tias tus lej yuav poob qis me ntsis. Thib ob-loj ntoo, dej groves. Breeds nyob rau hauv qhib deciduous thiab mixed woodland, preferring ntug ntawm forests los yog thib ob kev loj hlob.
Koj tuaj yeem qhia qhov pib tshiab li cas?
Redstarts tau txheeb xyuas tam sim los ntawm lawv cov txiv kab ntxwv-liab liab tails, uas lawv feem ntau quiver. Cov txiv neej yug me nyuam saib ntse, nrog slate grey sab sauv, dub ntsej muag thiab tis thiab ib tug txiv kab ntxwv rump thiab hauv siab. Cov poj niam thiab cov hluas yog duller. Redstarts 'bob' nyob rau hauv ib tug heev robin zoo li, tab sissiv sij hawm me ntsis ntawm theem av.
