Mary Allen
Txawm tias cov Greeks, Loos, thiab Germans khaws cov geese hauv tsev ua tsiaj. Lawv cov poj koob yawm txwv yog cov tsiaj qus greylag geese, yog li lub npe vim yog xim ntawm lawv cov plaub.
Cov yam ntxwv
Domestic geese thiab grey geese zoo li cas?
Zoo li tag nrho cov geese, domestic geese thiab grey geese belongs rau tsev neeg Anatidae thiab yog cov zoo nkauj chunks: Domestic geese yog 75 mus rau 90 centimeters ntev thiab thaum lawv fattened lawv hnyav plaub thiab ib nrab mus rau tsib thiab ib nrab, tej zaum kuj mus txog rau. thiab ib nrab kilograms. Cov tsiaj ntawm Emden geese txawm hnyav kaum mus rau kaum ob kilograms. Tsiaj qus geese feem ntau sib dua li cov geese hauv tsev thiab, zoo li greylag geese, hnyav tsuas yog peb mus rau plaub kilos.
Cov geese hauv tsev muaj cov plumage dawb. Cov plaub ntawm grey geese yog lub teeb grey mus rau brownish. Domestic geese thiab grey geese belongs rau cov noog ua luam dej. Qhov ntawd txhais tau tias lawv nyob hauv thiab hauv dej thiab lawv cov tawv nqaij-xim ko taw yog webbed kom lawv tuaj yeem ua luam dej zoo dua. Ob txhais ceg yog xim liab. Txiv neej thiab poj niam yuav luag indistinguishable los ntawm lawv cov yam ntxwv sab nraud. Nyob ib ncig ntawm Lub Xya Hli, cov geese pib molt: uas txhais tau tias lawv maj mam tau txais plumage tshiab.
Domestic geese thiab grey geese nyob qhov twg?
Niaj hnub no, cov geese dawb tau kis thoob plaws ntiaj teb los ntawm tib neeg. Feem ntau cov qus geese nyob rau sab qaum teb hemisphere. Muaj ntau hom tsiaj hauv Arctic tab sis lub caij ntuj no hauv thaj chaw me me. Greylag geese, piv txwv li, muaj nyob hauv Europe, North America, thiab Asia. Lawv thaj tsam ntawm Iceland mus rau sab hnub poob Siberia thiab los ntawm Portugal thoob plaws North Africa mus rau Afghanistan.
Qee cov greylag geese tseem yug me nyuam ntawm no, tab sis feem ntau yog nyob rau sab qaum teb thiab sab hnub tuaj Europe thiab Asia. Nyob rau hauv lub teb chaws Yelemees, greylag geese tuaj yeem pom nyob rau hauv cheeb tsam Danube thiab nyob rau sab qaum teb lub teb chaws Yelemees. Ntau tus tsiaj tsiv mus rau sab qab teb mus rau thaj tsam Mediterranean thiab txawm mus rau North Africa rau lub caij ntuj no. Txij li tsuas yog ob peb tus tsiaj yug ntawm no, feem ntau koj tsuas pom greylag geese thaum lawv tsiv teb tsaws.
Zoo li yuav luag tag nrho cov tsiaj qus geese, greylag geese xav tau qhov chaw nyob nrog cov pas dej thiab cov dej ntws uas nyob ib puag ncig los ntawm reeds, rushes, lossis hav zoov kom cov tsiaj tuaj yeem nkaum zoo thaum yug me nyuam. Lawv kuj tuaj yeem pom hauv thaj chaw swampy. Nws yog ib qho tseem ceeb uas lawv nrhiav tau teb thiab meadows ze ntawm cov dej ntub dej no. Qhov no yog qhov chaw zoo tshaj plaws kom pom greylag geese thaum lawv tab tom nrhiav zaub mov. Lub sijhawm no, txawm li cas los xij, greylag geese kuj tuaj yeem pom ntawm cov pas dej hauv cov chaw ua si.
Hom goose muaj dab tsi?
Niaj hnub no, muaj ntau ntau hom goose breeds. Qhov tseem ceeb tshaj plaws suav nrog Diepholz goose, Emden goose, Pomeranian goose, thiab Rhenish goose. Cov tsiaj qus geese tau muab faib ua ob pawg: lub teb geese nrog kaum hom, uas suav nrog, piv txwv li, greylag goose, thiab hiav txwv geese nrog rau hom.
Muaj ib tug sab hnub tuaj thiab sab hnub poob yug ntawm cov qus greylag goose. Lub beak ntawm western yug yog ntau txiv kab ntxwv-liab. Ib tug txheeb ze ze ntawm greylag goose yog taum goose. Nws yog tib qhov loj me tab sis xim xim ntawm lub taub hau, caj dab, thiab forews. Cov goose liab-ko taw yog me dua greylag goose thiab tsuas yog tuaj rau tebchaws Askiv thiab ob peb thaj tsam ntawm sab hnub poob Europe thaum lub caij ntuj no. Piv txwv ntawm hiav txwv geese suav nrog Canada goose, brent goose, barnacle goose, thiab Hawaiian goose.
Thaum thawj peb hom, zoo li greylag goose, nyob hauv thiab hauv dej thiab yog cov noog tsiv teb tsaws, Hawaiian goose muaj txoj hauv kev tshwj xeeb ntawm lub neej. Cov goose no, uas hnyav txog ob kilograms thiab muaj cov plumage brownish, nyob tshwj xeeb tshaj yog nyob rau ntawm ob peb Islands nyob rau hauv Hawaiian Islands pab pawg, uas yog Hawaii, Maui, thiab Kauai. Txawm li cas los xij, nws tsis nyob hauv ntug dej hiav txwv muaj, tab sis sab hauv ntawm cov kob.
Hauv Hawaii, piv txwv li, lawv tuaj yeem pom ntawm lub roob hluav taws kub ntawm Mauna Loa. Nyob ntawd nws nyob ntawm lava teb ntawm qhov siab ntawm 1500 txog 2500 meters. Hauv cheeb tsam no, muaj qhov deb thiab dav tsis muaj pas dej lossis kwj dej. Tab sis vim tias cov av noo siab heev thiab nws los nag ntau zaus, muaj ntau cov nyom, bushes nrog berries, thiab ntau lwm yam nroj tsuag. Lub caij yug me nyuam yog thaum lub Kaum Ib Hlis txog Lub Ob Hlis. Cov geese tsim ib lub zes ntawm lub lava pem teb thiab kab nws.
Cov qe yog incubated rau txog ib hlis. Tsis zoo li lwm cov geese, cov tub ntxhais hluas tsis yog precocial, tab sis tsuas yog tawm hauv lub zes thaum lawv muaj hnub nyoog ob mus rau peb lub hlis. Hawaiian geese yog ib qho ntawm cov gees uas tsis tshua muaj neeg, thiab lawv muaj kev phom sij heev: lawv tau raug tua thiab lawv poob raug tsim txom rau cov tsiaj uas tau qhia los ntawm tib neeg xws li dev, miv, thiab nas.
Thaum kawg ntawm lub xyoo pua 18th, tsuas yog 30 Hawaiian geese tau muaj sia nyob. Txawm li cas los xij, cov noog tau tsa thiab tso tawm hauv qhov kev qhia rov qab, thiab hnub no muaj kwv yees li 1,000 tus neeg dawb-roaming Hawaiian geese dua. Txawm li cas los xij, lawv tseem raug suav hais tias muaj kev phom sij.
Greylag geese tau muaj pes tsawg xyoo?
Greylag geese tuaj yeem nyob txog 17 xyoo. Cov geese hauv tsev tuaj yeem loj hlob tuaj.