Cowbirds noj txog 75% cov noob (nyom, nroj tsuag, nplej) thiab 25% arthropods (tshwj xeeb tshaj yog thaum lub caij yug me nyuam.) Lawv tuaj yeem noj cov qe qe tawm ntawm cov kab mob cab, lossis tej zaum lawv cia li muab lawv tso rau hauv av.
Pob nyuj rov qab los rau lawv cov menyuam?
Louder tsis ntev los no tau tshaj tawm txoj kev tshawb fawb uas pom tias nyuj nyuj niam tsis txhob tso lawv cov tub ntxhais hluas tom qab tso lawv qe, tab sis khaws tab rau lawv thiab txawm siv qhov ua tsis tiav lossis ua tiav ntawm sib txawv zes los qhia lawv cov kev txiav txim siab txog qhov twg yuav nteg cov me nyuam yav tom ntej.
Kuv Yuav Pub Cowbirds?
Thaum xaiv cov zaub mov yuav siv, nco ntsoov cowbirds nyiam noj cracked pob kws, millet thiab sunflower noob. Nrog rau qhov no hais tias, nws yog ib qho kev xaiv ntse es tsis txhob muab Nyjer noob, nectar, safflower noob, suet los yog tag nrho cov txiv laum huab xeeb.
Nej yuav tsis noj dab tsi?
Siv raj noog feeders uas muaj ib tug luv luv perch thiab me ports rau cov noob. Pub cov noog thistle/nyger, noob safflower, tag nrho cov txiv laum huab xeeb, lossis suet. Cowbirds yuav tsis noj qhov no. Tshem tawm cov pob kws tawg, cov noob paj noob hlis, thiab cov nplej los ntawm koj cov khoom noj tshwj tsis yog tias koj muaj cov khoom noj me me uas Cowbirds siv tsis tau.
Npau suav phem phem?
Nws kis tau cov xov xwm phem rau lwm cov noog: Cowbirds nteg lawv cov qe hauv zes ntawm lwm cov noog. Cov kab mob hnyav hnyav los ntawm cowbirds tau thawb qee hom mus rau qhov xwm txheej ntawm "muaj kev phom sij" thiab tej zaum raug mobcov pejxeem ntawm qee leej lwm tus.
