Waterfowl

Waterfowl - ba wani kimiyya lokaci, amma wani mai son. A cewar shi da tsuntsaye raba na kowa sunan, a kan tushen da su kowa rai. Yana guda, idan ka hada da Generic Kalmar "marine dabbobi" Whales, jellyfish da kifi, wadda bisa ga kullum yarda da kimiyya rarrabuwa ciki daban-daban taxonomic kungiyoyin.

Waterfowl suna dauke da tsuntsaye, da suka sami damar tsayawa a kan ruwa surface. Saboda haka, ba duk da tsuntsaye, jagorancin cikin ruwa hanyar rayuwa da kuma samar da abinci a cikin tafkunan, suna waterfowl. A daukan hankali tabbatarwa da wannan - da cranes da storks. Abinci da suka mined yafi a cikin kududdufi ruwa - a cikin Marshes ko lakefront. Ba su bukatar Master ma'adanin na taso kan ruwa, kamar yadda suka ansu rubuce-rubucen abinci dogon baki. Saboda haka, ba su da wani musamman tsarin da kafar, hankula waterfowl - webbed, wanda aiki a matsayin flippers.

Wani rarrabe wanda suke waterfowl - m launin gashi kuma gaban musamman sebaceous gland, wanda asiri ne ga sa mai da gashinsa, da hana su daga samun rigar.

Waterfowl - ko dabbobi masu cin nama ko omnivores. "Vegans" ba daga gare su. Kowane irin "na musamman" a kan ta mãsu kauri, mãsu haka daban-daban waterfowl quite amince raba guda fadama, lake ko teku surface mãkirci, nau'in mamaya da muhalli alkuki.

Seagulls, misali, ansu rubuce-rubucen da wani kifi daga cikin ruwa surface, cormorants nutse domin ta zurfin da tsawo, da kuma duck-dives nutse daga ruwa surface. Wasu iri lokacin samun abinci kawai tsoma a cikin ruwa shugaban. Kuma a nan shi duka ya dogara da tsawon na wuyansa. Swan iya kama abinci wajen babba zurfin kuma weft wanda ba ya da lãbãri a gare dives - tare da m kasa. Kuma duk suna cika, kuma babu daya to babu daya da'awa.

A Rasha, da yankin inda da waterfowl yi ko da yaushe yana cikin manyan yawa, ne Arctic, Far East da kuma m yankuna. Manne ga gargajiya rayuwa na 'yan asalin mutanen arewa a cikin farauta kakar kara haja na zahiri dubban tsuntsaye. Sai suka kyafaffen, salted, daskararre a glaciers da kuma ci su nama a cikin dogon iyakacin duniya hunturu.

Modern arewa, bisa ga 'yan Arewa, ya zama yawa poorer a cikin wannan girmamawa, da halin da ake ciki ya canza game da karshe ashirin da biyar - shekara talatin. Mene ne zargi - ko dai uncontrolled farauta, ko halakar da kiwo wurare, ko wasu sauran factor unaccounted - masana sun ba tukuna fitar da siffa. Haka kuma ƙayyade ko rage yawan, ba zai yiwu. Ko da yake da tsuntsaye, a cikin ra'ayi na 'yan Arewa, akwai m, da lambar shi ne har yanzu haka mai girma cewa kadan incalculable. Wannan shi ne, "kasa" shi ne na ra'ayin wani kimantawa, da kuma a cikin lambobin, babu wanda zai iya sanin yadda za shi ne "karami" fiye da kamannuna.

Floodplains na manyan koguna ne ma wuraren da yawa ruwa tsuntsaye rayuwa, albeit a karami yawa fiye da a Arewa. Kuma idan kõguna sparsely lugar sararin Siberia zuwa ga tsuntsãye, a cikin Turai ɓangare na kasar, inda da yawan yawa ne yafi hakan a kan su ƙarfi kai tsaye rinjayar da mutum factor a matsayin banal farauta, ciki har da farautar.

Su na bayar da muhimmanci, kuma mutum ya bala'i, da kuma kawai na tattalin arziki aiki na mutum, wanda sau da yawa ta halakar da wuri inda al'ada rayuwa waterfowl. Photos of mutuwa daga mai zube gulls da kuma sauran irin wannan "more rayuwa" ya dade zama sananne muhalli nune-nunen. Alas ...