Cov lus teb luv yog: tsis feem ntau. Tam sim no, cia peb paub meej, crows yuav tua thiab noj qe, nestlings thiab txawm tias cov noog laus yog tias lawv tuaj yeem tau txais lawv txhais tes ntawm ib qho. … Caws lawv tus kheej raug rau tib cov tsiaj nyeg no thiab lawv cov hluas tsawg heev yuav ua rau neeg laus.
Yuav ua li cas ib tug tsaj tua noog?
"Crow yog thaj chaw thiab lawv tiv thaiv tshwj xeeb thaum cov tub ntxhais hluas tawm hauv lub zes. Yog tias lawv ntseeg tias txhua yam kev hem thawj nyob ze - miv, dev lossis tib neeg - lawv yuav tawm tsam. " Matthews tau hais tias qhov laj thawj tseem ceeb ntawm kev tua neeg yog qhov crows nqis peev ntau lub sijhawm thiab lub zog rau lawv cov hluas.
Nkauj noog tua noog noj?
Crows muaj ob peb tus tsiajhauv tebchaws Askiv tab sis yog cov noog txhoj puab heev uas yog thaj chaw hnyav. … Cov jay feem ntau pom thab cov qaib ntxhw thaum nruab hnub roosts whereas rooks thiab jackdaws yuav mob cov noog ntawm cov tsiaj txhu uas txav ze ze rau rookeries thaum lub caij yug me nyuam.
Vim li cas Blackbirds tua crows?
Lawv feem ntau ua qhov no hauv kev mob siab rau tshem tawm cov tsiaj nyeg uas muaj peev xwm los ntawm thaj chaw yug me nyuam, zes lossis hluas, lossis ib lub tsev tsis muaj kev yug me nyuam. Feem ntau mobbers muaj xws li chickadees, titmice, kingbirds, blackbirds, grackles, jays, thiab crows. … Cov noog yuav caum lwm cov noog kom deb ntawm lawv thaj chaw lossis chaw noj mov.
Yuav ua cas yaim lwm tus noog?
Nkauj ntsuag raug kev txom nyem nyob rau hauv lub koob npe nrov"phem." Crows raid qoob loo, nquag nyiag qe thiab menyuam qaib los ntawm lwm lub zes noog, thiab tau paub tias nyiag khoom ci ntsa iab xws li cov khoom ntawm cov hniav nyiaj hniav kub los ntawm tib neeg. Txawm li cas los xij, cov noog dub no yog cov neeg txawj ntse tshaj plaws.
