Amazing Izilwane - grey uphawu

uphawu Gray - impela isilwane esikhulu, isidumbu obuphelele imayelana ezimbili amamitha kwabanye abantu - futhi ezintathu. Umzimba ubukeka namandla ngempela, njengoba inhloko, phambi ingxenye yayo yinde ngokwanele ukuthi leli gama lisikisela. Lezi zilwane obukhulu amadevu, ngokuvamile kube semikhawulweni lwalugobile. Phela, uphawu grey, grey uphawu - kuyahambisana.

ukubukeka

Umbala uvolo abantu abavuthiwe iyahlukahluka kakhulu kuye ngokuthi indawo yokuhlala, ubulili nobudala. kwezimvu eziningi zamanzi zihlukaniswa grey umbala, kodwa shades kungaba yini - kusuka ugodo ukuze ayegcwele. Ngezinye izikhathi phakathi kwezithunjwa kukhona abantu ezincane ezimnyama. Uphawu emuva njalo ngesineke kancane licace kakhulu esiswini. Emhlabeni isiqu isilwane ngezikhathi zihlakazeke bacebe kakhulu ngemuva eziyisisekelo, izindawo of emasayizi nabobunjwa labehlukene. Zingaba oblong, emincane, okweqanda. Ezinhlangothini futhi isisu igqamile kakhudlwana futhi esimnandi, futhi ngemuva - ayilutho. I Baltic grey uphawu, lokhu lover athandekayo ice, cishe lowehlukile fur yayo kusuka kwamanye izinhlobo uthanda owomileyo.

Habitat nokuthuthela kwamanye amazwe

Eziningi zalezi izilwane abahlala eNyakatho Atlantic, okungukuthi indawo yayo athokomele. Yonke indawo ziseZwini oLwandle iBaltic. Lokhu kuhlanganisa Bothnia (akuzona zonke), Riga futhi eGulf of Finland. Seals luvamile kusukela oLwandle uBarents ukuze English Channel, kungenzeka ukuba babahlangabeze, futhi ngasogwini Ireland naseNgilandi. Ngaphezu kwalokho, ayikho into okuthiwa ihlukile Faroe, Orkney, Shetland kanye le Hebrides. Zihlala emanzini asogwini we enkabeni nasenyakatho Norway futhi Iceland. uphawu Gray, ngaleyo ndlela, itholakala ezindaweni eziningi. endaweni yaso ngempela ebanzi.

Kunezinhlobo ezimbili zenyathi ezimpawu grey: aseBaltic, ahlala olwandle efanayo, futhi i-Atlantic, ohlala emanzini European.

Lokho ukudla lezi zilwane?

Yidla ompunga uphawu ngokuyinhloko inhlanzi, ezingenamgogodla, basebenzisa akuzona kancane kakhulu futhi ngokuvamile. Badla njengoba nezimfanzi, izinkalankala nezinye izinhlobo squid. Ngo oLwandle iBaltic eziningi ngukudla kubo: cod, eels, salmon, i-herring, bream. Ngokuphathelene Murmansk ogwini, futhi kukhona inhlanzi-undlunkulu. nabo badle ama-cod. Futhi lokho emanzini European? Kube eliqinisa udle ezinye izinhlobo flatfish ne-cod inhlanzi no i-halibut. Kodwa eGulf of St Lawrence ukondla ngaphezulu. Lapho, ngaphezu flatfish, cod-herring, kukhona salmon, ushaka, mackerel futhi stingrays. Lokhu futhi uyazondla empunga uphawu. incwadi Red, ngasendleleni, sekuyisikhathi eside ingenza isilwane.

Lokuzaliswa nokukhula

uphawu Gray ezithakazelisa ngoba nabesifazane ukukhiqiza kabusha ngesikhathi ehluke ngokuphelele. Futhi lokhu awasebenzi kuphela abantu kusuka izindawo ezahlukene, kodwa futhi izilwane ovela labantu olulodwa. Ngaphambili, zonke izimvu zamanzi schenyatsya aseBaltic, kuthathwe ukukuthanda kolwandle ice eponymous; ngokuvamile ezizala ngasekupheleni kwentwasahlobo ebusika futhi. Singathini ngezilwane ezihlala kwezinye izindawo? bona bonke abelethela umhlaba, futhi kwenzeka ngemva kweminyaka eminingi kwabhalwa e lwezimpawu iBaltic. Izinsuku ngempela sisalokhu. Kuyinto lokhu grey seal ihlukile kwezinye izilwane eziningi.

izingane nje uzalwa embozwe uboya baba mhlophe, abushelelezi, eside futhi obukhulu. It has a kwe-tint sinombala. Kodwa ngokushesha noboya ushintsho kwenzeka futhi Young ikhula nezinwele ezimfishane kanye obukhulu, nobuntu zezinhlobo ovuthiwe. Lapho namazinyane azo zesifazane ezidla ubisi, kunalokho ekhula ngokushesha, kuthatha cishe amasonto amathathu.

Ezinye izinyoni eziyizinsikazi zikhula kudala njengoba eneminyaka emihlanu ubudala, kodwa iminyaka eyisithupha konke ube ovuthiwe ngokobulili. Futhi kuthiwani kwabesilisa? Ziba abantu abadala, ngokuvamile eminyakeni eyisikhombisa, Nokho, iqhaza ekuqaleni imifanekiso, kusobala, kuphela uma ziba eziyishumi. Kuyinto kule nkathi ye empunga uphawu Ungasavele kubhekwe ovuthiwe.

indlela yokuphila

Mpunga uphawu ukuziphatha luncike kanjani isimo emvelweni basonta. Ake sibheke Gulf of St. Lawrence futhi khona oLwandle iBaltic. Kukhona iqhwa ukuma izimpilo. Phakathi moulting futhi ezifanelekayo ukufuya lezi zilwane kungabonwa elele iqhwa eduze nogu. Ngamanye nezikhathi grey uphawu cishe njalo emanzini.

Ngokuqondene izilwane ezihlala kwamanye amasimu, zingabantu izikhathi eziningana unyaka wonke uze emhlabeni, njengoba umthetho, ezindaweni ukuthi Sekuyisikhathi eside abakhethiwe. Kuyinto ikakhulukazi eziqhingini ezincane noma amanye amasayithi akude, ne ogwini olunamadwala. Nokho, izimvu zamanzi Kubalulekile ukuthi evele ayeqondile, namathafa, nemithambeka ukuze amanzi - hhayi emaweni kakhulu.

Lezi zilwane zivame ukuhlangana namaqembu amakhulu, ikakhulukazi ngesikhathi yokuzalela. Sinenkosi ezimbili izinhlobo zobulili kuvamile: esithenjini (ngaphezu ejwayelekile zabo ngisho indlovu) kanye monogamous (ejwayelekile seningi lwezimpawu kweqiniso). Okubizwa ngokuthi harems kungabonwa kuphela emhlabathini - kukhona ngokuvamile emhlabeni elilodwa leduna ihlangabezana zesifazane eziningana.