Waterfowl

Waterfowl - tsis yog ib tug scientific lub sij hawm, tab sis, theej ib tug pib xyaum ua. Raws li nws cov noog koom ib lub npe, nyob rau hauv lub hauv paus ntawm lawv cov uas lub neej. Nws yog tib yam, yog tias koj muab cov generic sij hawm "marine tsiaj" whales, jellyfish thiab ntses, uas, raws li lub feem ntau txais scientific kev faib mus rau ntau taxonomic pawg.

Waterfowl yog suav hais tias yog noog, uas yog tau nyob rau hauv cov dej saum npoo. Yog li, tsis yog txhua txhua tus noog, leading dej txoj kev ntawm lub neej thiab muab zaub mov nyob rau hauv pas dej, yog Waterfowl. Ib tug striking kabke ntawm no - lub cranes thiab storks. Khoom noj khoom haus lawv mined mas nyob rau hauv ntiav dej - nyob rau hauv lub marshes los yog lakefront. Lawv tsis tas yuav lug tau sai dlua kos duab rau ntawm ntab, raws li lawv lob zaub mov ntev beak. Yog li ntawd, lawv tsis muaj kev qauv ntawm ko taw, raug Waterfowl - webbed, uas ua raws li flippers.

Lwm yus feature ntawm uas yog Waterfowl - tuab Plumage thiab muaj cov tshwj xeeb sebaceous qog, uas tsis pub leejtwg paub yog los ntub cov plaub, tiv thaiv lawv los ntawm ntub.

Waterfowl - los yog Carnivores los yog omnivores. "Vegans" yog tsis nrog lawv. Txhua yam ntawm "tshwj xeeb" nyob rau hauv nws siab tawv, yog li txawv Waterfowl heev xyuam xim qhia tib cov hav iav, lub pas dej los yog lub hiav txwv nto zajlus, hom occupying cov ecological niche.

Seagulls, piv txwv li, lob ib tug ntses los ntawm cov dej saum npoo, cormorants ntsaub rau nws tob nrog altitude, thiab os-dives ntsaub los ntawm cov dej saum npoo. Ib txhia hom thaum tau txais khoom noj khoom haus xwb dipped rau hauv cov dej lub taub hau. Thiab ntawm no nws tag nrho cov nyob rau qhov ntev ntawm lub caj dab. Os dej dawb tau txais khoom noj khoom haus es loj tob thiab Weft uas tsis txheeb dives - nrog deb tsawg dua. Thiab tag nrho cov muaj tag nrho, thiab tsis muaj ib tug yuav tsis muaj ib tug yuav lav.

Nyob rau hauv Russia, lub cheeb tsam nyob qhov twg lub Waterfowl yeej ib txwm muaj nyob rau hauv loj qhov ntau, yog tus Arctic, lub Far East thiab nyob ib sab territories. Adhering rau cov tsoos lub neej ntawm lub hauv paus txawm haiv neeg ntawm sab qaum teb nyob rau hauv lub mus yos hav zoov lub caij stocking ntawm cia txhiab tus noog. Ces lawv haus, las, khov nyob rau hauv glaciers thiab tau noj tej nqaij nyob rau hauv lub ntev ncov qaumteb qabteb lub caij ntuj no.

Niaj hnub nimno sab qaum teb, raws li cov northerners, los ua npaum li cas poorer nyob rau hauv no hwm, qhov teeb meem no tau hloov txog qhov kawg nees nkaum-tsib - peb caug xyoo. Yuav ua li cas yog mus blame - yog uncontrolled yos hav zoov, los yog kev puas tsuaj ntawm yug me nyuam rau qhov chaw, los yog ib txhia lwm zoo tshaj unaccounted - ornithologists tseem tsis tau xam tau tawm. Yog thiab txiav txim seb puas poob cov pejxeem, yog tsis tau. Txawm tias cov noog, nyob rau hauv lub tswv yim ntawm cov northerners, muaj tsawg, lawv muaj pes tsawg yog tseem zoo li ntawd hais tias me ntsis incalculable. Hais tias yog, "tsawg" yog ib tug subjective kev ntsuam xyuas, thiab nyob rau hauv xov tooj, tsis muaj ib tug yuav txiav txim li cas nws yog "me me" dua zoo nkaus li.

Floodplains ntawm loj ntws yog kuj tej chaw uas muaj ntau yam dej noog nyob, albeit nyob rau hauv me me qhov ntau tshaj nyob rau hauv lub North. Thiab yog hais tias tus dej ntws sparsely populated expanse ntawm Siberia mus rau lub noog, nyob rau hauv cov European ib feem ntawm lub teb chaws, qhov chaw uas cov pejxeem ceev yog ntau dua nyob rau hauv lawv lub zog ncaj qha muaj feem xyuam rau cov tib neeg zoo tshaj raws li ib tug banal yos hav zoov, nrog rau poaching.

Lawv yog cov tseem ceeb heev, thiab cov neeg ua kev puas tsuaj, thiab cia li nyiaj txiag kev ua ntawm tus txiv neej, uas feem ntau txav ntawm qhov chaw uas ib txwm nyob Waterfowl. Cov duab tuag los ntawm cov roj nchuav rau gulls thiab lwm yam xws li "amenities" tau ntev ua commonplace tej miv. Alas ...