Cov plas dawb yog cov tsiaj tsis tshua muaj thiab zoo nkauj

Cov plas dawb yog cov tsiaj tsis tshua muaj thiab zoo nkauj
Cov plas dawb yog cov tsiaj tsis tshua muaj thiab zoo nkauj

Video: Cov plas dawb yog cov tsiaj tsis tshua muaj thiab zoo nkauj

Video: Cov plas dawb yog cov tsiaj tsis tshua muaj thiab zoo nkauj
Video: Koj Zoo Tshaj Cover by MyShoua ft. Deeda - Orginal Singer Los Tuam Vaj 2024, Kaum ib hlis
Anonim
snowy owls
snowy owls

Dawb owls yog cov neeg sawv cev ntawm tsev neeg owl, uas muaj cov yam ntxwv ntawm cov xim daj-dawb plumage. Tej zaum interspersed nrog tsaus xim av me ntsis uas tsim ob peb kab ntawm transverse kab. Los ntawm tus naj npawb thiab ci ntsa iab ntawm cov cim no, ib tus tuaj yeem txiav txim siab hnub nyoog thiab poj niam txiv neej ntawm tus noog: tus neeg laus dua, qhov chaw tsawg dua thiab, raws li, ntau xim dawb.

Lub chaw nyob uas cov plas daus ib txwm pom yog sawv cev los ntawm thaj chaw ntawm lub ncov qaum teb thiab thaj chaw huab cua: tundra ntawm North America thiab Eurasia. Tsis tas li ntawd, qhov no kuj suav nrog cov Islands tuaj loj nyob hauv dej hiav txwv Arctic, xws li Novaya Zemlya, Greenland, Severnaya Zemlya, Wrangel Island, thiab New Siberian Islands. Koj tuaj yeem ntsib tus tsiaj zoo nkauj no hauv Svalbard thiab Alaska.

Tus plas dawb yog ib tug noog loj uas muaj tis ntev txog li ib thiab ib nrab meters. Oddly txaus, cov poj niam yog ho loj dua cov txiv neej nyob rau hauv qhov hnyav thiab loj. Tsis tas li ntawd, qhov tseeb hais tias cov poj niam muaj ntau streaks ntawm plaub tuaj yeem suav hais tias yog qhov tshwj xeeb.

Dawb Owl
Dawb Owl

Hatched me nyuam qaib muajxim av, uas, raws li tau hais ua ntej, hloov mus rau cov daus-dawb plumage nrog hnub nyoog. Lub beak ntawm tag nrho cov noog yog dub thiab yuav luag mus rau lub taub hau yog them nrog me me tawv plaub. Cov ko taw clawed tseem npog nrog ib txheej tseem ceeb ntawm plumage. Nyob rau hauv tsos, nws zoo li cov ntaub plaub thiab tsim lub npe hu ua "hais".

Snowy owls zes nyob rau qhov siab dua, nrog qhov nyiam muab rau hauv av qhuav thiab toj. Kev tsim kho tuaj yeem pib txawm tias ua ntej cov daus melts, yog li kev xaiv qhov chaw yog qhov tseem ceeb tshaj plaws. Lub zes nws tus kheej yog lub qhov hauv av, qhov twg niam txiv owls coj los, cog rags thiab nas tawv nqaij. Txawm li cas los xij, thaj chaw tiv thaiv los ntawm cov tsiaj nyeg muaj thaj tsam txog li 6 square meters. km. Kev lig kev cai, cov noog no lo rau lawv qhov chaw zes qub thiab tsuas yog hloov pauv yog tias cov xwm txheej tau hais.

Cov plas dawb yog fickle hauv lawv txoj kev xaiv mating tus khub: hauv qee thaj chaw ruaj khov khub tau pom ntau xyoo, thaum nyob rau lwm qhov chaw owls "converge" tsuas yog ib xyoos xwb.

Yees duab snowy owl
Yees duab snowy owl

Lub neej nruab nrab ntawm cov noog no nyob hauv cov tsiaj qus yog li 9 xyoo. Txawm li cas los xij, nyob rau hauv cov khoom siv dag zog, tus nqi no tuaj yeem ncav cuag 30. Skuas yog suav tias yog cov yeeb ncuab ntuj tsim ntawm cov noog snowy, nrog rau hma thiab hma arctic, uas ua rau muaj kev hem thawj rau cov qe, hatchlings thiab cov noog hluas.

Npauj npaim dab ntxwg nyoog ua rau nas zoo li nas xws li lemmings, nrog rau pikas, hares, mepredators thiab noog. Tsis txhob thuam cov ntses thiab carrion. Winged predators ua lub luag haujlwm tseem ceeb hauv kev tsim cov tundra ecosystems, vim lawv yog cov neeg tswj hwm nas.

owl hauv davhlau
owl hauv davhlau

Cov plas daus muaj nyob hauv ntau yam ntawm huab cua thiab lub ncov qaumteb qabteb kab lis kev cai. Yog li, piv txwv li, nws yog lub cim tseem ceeb ntawm Canadian xeev Quebec, thiab tseem siv rau lub tsho tiv no ntawm caj npab ntawm Kayerkan. Lub ncov qaumteb qabteb muaj npe nyob rau hauv Phau Ntawv Liab thiab suav nrog hauv Cov Ntawv Ntxiv II ntawm CITES Convention. Saib cov duab uas tau nthuav tawm: cov snowy plas hauv davhlau zoo li luxurious thiab majestic.

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