Grey shrike: noog lub neej, chaw nyob, nthuav qhov tseeb

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Grey shrike: noog lub neej, chaw nyob, nthuav qhov tseeb
Grey shrike: noog lub neej, chaw nyob, nthuav qhov tseeb

Video: Grey shrike: noog lub neej, chaw nyob, nthuav qhov tseeb

Video: Grey shrike: noog lub neej, chaw nyob, nthuav qhov tseeb
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Anonim

Lub Hom Grey Shrike muaj lub koob npe nrov raws li tus neeg tsis lees paub, vim nws tsis tshua muaj kev sib ntsib. Txhawm rau pom qhov feathered no, koj yuav tsum ua siab ntev thiab saib xyuas. Tab sis txij li thaum tus noog tsis txhob sib ze rau tib neeg, nws tuaj yeem pom tsuas yog ntawm ntug hav zoov, sab nrauv ntawm marshes, nyob rau saum cov ntoo thiab cov ntoo siab. Yog tias koj hnov ib zaj nkauj zoo li magpie, tej zaum yuav yog grey shrike.

Phau Ntawv Liab tau rov ntxiv nrog cov noog uas tsis tshua muaj no, txij li tus naj npawb ntawm hom muaj tsawg heev. Nws tau txais qeb thib 3. Txhawm rau khaws cov subspecies no, yuav tsum ceev faj tus cwj pwm rau hav zoov swamps thiab hav zoov qub.

siv grey
siv grey

Kev piav qhia ntawm shrike

hom noog no yog cov noog loj. Lub cev loj - qhov nruab nrab ntawm 26 cm. noog hnyav - txog 70 grams. Cov xim ntawm lub shrike yog lub teeb, nraub qaum yog tshauv-grey, thiab lub plab yog dawb. Muaj tus qauv ntawm lub hauv siab. Cov kauj ruam elongated Tail thiab tis yog dub. Nyob rau ntawm ntug ntawm tus Tsov tus tw plaub yog ib tug ciam teb dawb. Kuj tseem muaj lub teeb transverse bandhla dhau tis. Lub taub hau kuj tau dai kom zoo nkauj nrog kab txaij - dub "dawb npog" stretches ntawm lub beak los ntawm lub qhov muag. Txij li thaum tus noog no yog ib tug predator, nws tau "khoom plig" nrog ib tug nuv beak. Txiv neej thiab poj niam tsis sib txawv ntawm cov xim. Koj tuaj yeem pom qhov txawv ntawm lawv qhov loj me, "cov tub" loj me me.

Thaum tus grey shrike zaum ntawm ib ceg, nws tus Tsov tus tw nqis los yog lo tawm. Lub davhlau ntawm no noog yog undulating.

Habitat

siv grey
siv grey

Txawm hais tias muaj pes tsawg tus noog no tsawg, lawv qhov chaw nyob dav heev. Grey shrike nyob rau hauv me me nyob rau hauv tag nrho cov teb chaws Europe, ib tug tseem ceeb thaj chaw ntawm Russia, thiab North Africa. Tsis tas li ntawd, cov noog nyob hauv qee thaj chaw ntawm South Asia mus txog rau sab hnub tuaj ntawm Is Nrias teb. Tsis tas li ntawd, cov noog no nkag mus hauv Chukotka, nres ze ntawm hav zoov ntawm Tebchaws Meskas thiab Canada.

hom noog no nyiam nyob hauv qhov chaw qhib. Tab sis, txawm li cas los xij, lub shrike masters roob roob, taiga thiab tundra. Nws tuaj yeem raug sau tseg tias ze rau sab qab teb cov noog no yog cov nomadic, thiab cov neeg sawv cev ntawm thaj chaw qaum teb ya mus rau lub caij ntuj no.

Bird voice

Lub grey shrike ua suab zoo ib yam li cov nkauj ntawm magpies. Nws lub suab ntxhib. Cov nkauj tsis yog melodic, muaj cov suab nrov qis qis lossis lub suab nrov nrov. Tab sis nyob rau hauv nws repertoire tej zaum yuav muaj suab hnov los ntawm lwm cov noog. Nrog rau hnub nyoog, txiv neej sau ib repertoire, thiab lawv cov nkauj ua ntau artistic thiab varied.

grey shrike liab phau ntawv
grey shrike liab phau ntawv

Kuj nrog suabshrike xa cov ntaub ntawv. Piv txwv li, thaum raug hem, lawv tawm ib ntus "check-check-check". Lawv kuj txawv ntawm lawv qhov tshwj xeeb hu nkauj thaum lub caij sib tw.

Khoom noj

Ntxhais grey yog ib tug bold predator, yog li nws pub rau qhov nws catches. Kev noj zaub mov yuav suav nrog cov kab loj xws li locusts, kab loj, dragonflies, thiab lwm yam. Tab sis tus noog kuj preys ntawm me me vertebrates, vim hais tias muaj tsawg heev kab nyob rau hauv sab qaum teb cheeb tsam. Lub shrike txaus siab ntes lizards thiab me me amphibians. Tsis tas li ntawd, nws hlub cov nas xws li voles, shrews, nas, moles thiab noj cov noog me (sparrows, warblers, tits).

Tom qab tus tsiaj raug ntes tau, shrikes tam sim ntawd noj nws. Tus noog tsis ua kom muaj peev xwm, txawm hais tias muaj ntau cov zaub mov, nws tuaj yeem qhuav tus neeg raug tsim txom los ntawm kev dai nws ntawm ib rab koob los ntawm acacia, thiab tawm hauv cov vertebrate nyob rau hauv rab rawg ntawm ceg. Tab sis nws tsim nyog sau cia tias tsis yog tag nrho cov grey shrikes nquag ua rau tus cwj pwm zoo li no.

common grey shrike
common grey shrike

Zoo noog

Vim tus grey shrike yog ib tug noog loj, nws lub zes kuj loj. Feem ntau tsuas yog tus poj niam ua lub tsev zoo li no. Cov txiv neej tsis tshua koom nrog qhov no. Ib ceg tsim nyog raug xaiv los tsim lub zes. Feem ntau nws yog ib tug tuab offshoot ntawm ib tug Bush los yog ntoo. Tsis tas li ntawd, lub tsev tuaj yeem txuas nrog lub cev nws tus kheej. Lub zes yog qis, los ntawm 1 mus rau 2.5 meters. Nws yog ob txheej. Sab nrauv yog woven los ntawm nyias ceg los ntawm shrubs thiab ntoo, thiab qhuav nplooj ntawm nyom kuj woven ntawm no. Ib tug yam ntxwv feature ntawm shrike lub zes yog ib feem ntawm cov ceg nrog ntsuab nplooj.

Internalsab yog ua los ntawm cov khoom softer. Yog li lub tais kis tau nrog cov ntaub plaub, cov hniav nyias nyias thiab cov plaub ntau, txawm tias qee lub zes yuav tsis muaj.

Young loj hlob

Lub sijhawm ua zes txawv ntawm cheeb tsam mus rau thaj tsam. Qhov no yuav yog lub Plaub Hlis lossis Tsib Hlis, thiab nyob rau sab qaum teb ntawm thaj tsam nws yog Lub Rau Hli. Lub clutch ntawm ib tug shrike muaj 4-6 qe nrog ib tug dawb-ntsuab tint thiab xim av me ntsis. Tus poj niam incubates cov xeeb ntxwv, thiab txiv ib zaug xwb hloov niam.

nthuav qhov tseeb txog grey shrikes
nthuav qhov tseeb txog grey shrikes

Lub grey shrike tseem nyob ntawm lub clutch mus txog 15 hnub. Ob lub lis piam no, tus txiv neej tsis ya mus deb ntawm tsev neeg. Ob niam txiv pub cov me nyuam yug los. Cov txiv neej thiab poj niam saib xyuas cov hluas li 20 hnub. Lub sijhawm no, cov menyuam qaib tau npaj ya. Tab sis nws yog qhov nthuav tias qee zaum txawm tias ua ntej cov me nyuam kawm ya tau zoo, lawv twb ya tawm ntawm lub zes. Txog thaum kawg, niam txiv saib xyuas cov xeeb ntxwv. Ob niam txiv tuaj yeem pub lawv cov menyuam qaib tau ntev.

Kev noj zaub mov ntawm cov tsiaj hluas suav nrog cov kab mob orthopterans thiab kab, thiab qee zaus lawv tau muab kab ntsig thiab larvae.

Cov ntsiab lus ntxiv thiab qhov tseeb nthuav txog grey shrikes

Ntxhais yog ib tug noog uas txawj ntse nrog npau taws heev. Yog li ntawd, nws nyiam ntxias me me falcons thiab hawks. Pom tus yeeb ncuab, tus cunning nce mus rau saum ntoo thuv thiab pib hu nkauj tsis tu ncua. Tus neeg tua tsiaj ceeb toom nws thiab maj nrawm mus tua, tab sis tus shrike deftly nkaum hauv tuab tuab.

Tus noog no tswj tau cov noog uas loj dua nws. Nws yog xav paub yuav ua li cas lub shrike tswj ua qhov no. Ua li no, nws txhob txwm spoils kev yos hav zoov rau tag nrho cov tsiaj nyeg, noog thiab tsiaj txhu. Nws ceeb toom tus neeg raug tsim txom nrog lub suab tias tus neeg yos hav zoov tab tom nyiag ntawm nws, thiab yog li tseem yog tus tswv ntawm nws thaj chaw.

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