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Kwado lake: description, mazauninsu, photos

Kwado lake shi ne mafi girma wakilin irinsu. Mazauninsu shi ne quite m, don haka da launi tsari, dangane da yankin canji. Yawan ne yawanci yawa.

Kwado lake: description

Shi yana da wani elongated jiki da wani dan kadan nuna muzzle. Launi babba gefen iya zama daban-daban. Yawancin lokaci shi ne kore, amma wani lokacin akwai m da kuma ruwan kasa frogs. Dukan jiki da aka rufe tare da manyan duhu spots sababbu siffar.

Mai wakilan wannan nau'in tare da kashin baya, da kuma shugaban gudanar da rarrabe haske mashaya tare da kananan faci.

Kasa jiki yana da wani yellowish ko kashe-farin launi. Sau da yawa akwai kusan baki aibobi. Golden idanu. A irin wannan yanayi, da suke zaune har zuwa shekaru 10. Kwado lake tsiro zuwa 17 cm a tsawon. Ya kamata a lura cewa maza ne dan kadan karami fiye da mãtã, amma suna da wani rami. A rana ta zo daga lokaci zuwa lokaci a cikin ruwa don kara fata zafi, tare da wani karu a cikin dare da yawan zafin jiki ba miyagun rana bushe jiki surface.

mazauninsu

Amphibian fi son irin wannan halitta yankunan, a matsayin gauraye da deciduous gandun daji, steppes, a kudancin shi za a iya samu a cikin hamadar arewacin kawaici a wasu yankunan na taiga. Saboda haka, da na halitta mazauninsu na ta mazauninsu ne Tsakiya da kuma Kudancin Turai, Asiya, Kazakhstan, Rasha, da Caucasus, Iran, Arewacin Afrika.

Rana na zaune a cikin tafkin ruwan da sabo ruwa (zurfi fiye da 20 cm). Yana kawaici tafkunan, estuaries da kuma gaba da koguna da tabkuna. Ana iya gani a cikin birnin da kuma a kan kankare bankuna na tafkunan, a wani kurmi na Willows da kuma ciyayi. By gaban mutane kusa da nufin zare jiki.

Ko da ya fi matsananci yanayi zai iya daidaita da rana lake. A mazauninsu na wannan nau'in haka zai iya zama sosai daban-daban, su sami damar tsira a sosai najasa yankunan na sharar gida, amma a wannan yanayin akwai munanan a ci gaba.

Saukake da kuma sauri colonizes matsayin wucin gadi dams kuma Wuraren. Lokacin da bushe tafkunan iya yi ƙaura zuwa sabon mazauninsu, watse har zuwa 12 km.

hali

Kwado lake ne mai zafi-m nau'in. Active Agogon ne a zazzabi na daga +8 zuwa +40 ° C. A wani musamman zafi sa'o'i ɓoye, a cikin wasu inuwõyi na shuke-shuke.

Rana dabba ciyarwa biyu a kan tudu da kuma a cikin ruwa. A ƙasar basking a rana, alhãli kuwa shi ne na kullum. Duk da haka, da kyau kwarai ji da gani, a wata 'yar alamar hatsarin tsalle cikin ruwa. Ga kwado sami wani wuri a ɓõye, sau da yawa kawai clogging a sludge. A ruwa, zai iya zama quite dogon. Sai da bayan tabbatar da cewa hatsarin ba koma zuwa na ainihi wuri.

Da yake mai kyau wasan ninkaya, da shi har yanzu zai kawar da sauri igiyoyin, ko da yake ba mai tsanani, har ma da kalaman.

Hoton na da lake rana rai damar ta zauna domin hunturu a cikin wannan kandami. Wani lokaci yana motsa a search na da zurfi ruwa ko marẽmari. Ina da ruwa da aka ba daskarewa duk shekara zagaye, da rana da ya rage aiki har abada. Wintering yana game 230 kwanaki, duk lokacin da ta ke a cikin laka, ko a kan kasa. Top yakan zuwa tsakiyar watan Mayu, a lõkacin da ruwa warms isa. A cikin hali na babban adadin sanyi mutu frogs.

A wani m mazauninsu ga yankin yawan halittar dabba mai kafafuwa ne kawai ban mamaki. Sau da yawa rana zaune a kan tudu mai girma da garkuna, da farfajiya na kandami ne jiha da yawa protruding muzzles.

rabon abinci

A fadama rana ci? A duk ya dogara da shekaru, mazauninsu, jima'i da kuma kakar. Suna ciyar da abinci duka biyu a kan ƙasa, kuma a cikin ruwa.

Mafarautan ƙasa daukan wuri kamar 'yan mita daga bakin gaci. Wannan amphibian - a real predator. Godiya ga yin ishãra size, ta m ganima iya zama karamin lizard da wani maciji, linzamin kwamfuta, chick, da kuma rana, ko da karami.

A ruwa a abincin dare ne newts, kananan kifi da tadpoles nasu. Babban rage cin abinci kunshi kwaro - crustaceans, kwari, mollusks, millipedes da tsutsotsi.

Marsh rana zai iya kama su ganima, ko da a kan gardama. Yawancin lokaci shi ne malam, kwari, dragonflies. A lokacin farauta, ta rayayye yana amfani da harshen harshen su, amai da shi 'yan santimita gaba. M gamsai taimaka kiyaye mobile ganima. Idan aka azabtar ne a wata babbar nesa, amphibian sneaks up to shi a hankali. A rana ne ma daidai iya tsalle, saukowa a daidai wurin.

Babban rage cin abinci na tadpoles - kananan algae.

Kamar yadda na ninka fadama rana?

Mãtan isa jima'i balaga zuwa shekara uku. Ba kamar sauran halittar dabba mai kafafuwa, haifuwa auku yawa daga baya a lokacin. Kwado jira har sai da ruwa zazzabi yakan zuwa +18 ° C. Yawanci wannan shi ne karshen May ko Yuni. Qwai ne dage farawa a cikin wannan jiki na ruwa, a cikin abin da ya yi kawaici, musamman hijirarsa da wannan manufa ba yi.

Tun zuwan na farko rana bayan rashin himma kafin spawning faruwa daga daya mako zuwa wata.

Domin kiwo, suka tattara a cikin manyan kungiyoyin. Maza a cikin wannan lokaci, musamman wadanda suka da sosai mobile. Lokacin da croaking suka kumbura har a cikin sasanninta na bakin kogo. Har ila yau da kiwo lokacin maza a gaban kafa a farko yatsa bayyana like - aure masara.

Su "songs" jawo hankalin hankalin mace. Kafin caviar shelving ma'abota faruwa. Duk da haka, hadi ne na waje. Wannan shi ne yanayin a kusan dukkanin halittar dabba mai kafafuwa, shi ne ba togiya da kwado lake.

A bayanin wannan tsari, wadannan: namiji yalwaci da mace, sabõda haka, da gaban kafafunsa ne a kan kirji. Kamar wancan akwai lokaci daya buttonhole maniyyi da kuma qwai a cikin ruwa, wanda na taimaka wa takin mafi qwai. Wani lokaci daya kawai mace iya "runguma" biyu ko uku maza.

A haifuwa lokaci ne wata daya. Daya mace na iya sa har zuwa 6,000 qwai.

Marsh kwado Tadpoles

3-15 kwanaki bayan hadi akwai tadpoles. Nan da nan bayan haihuwa, suka shimfiɗa a fadin kandami. A lokacin da rana su ne mafi aiki da dare buya a cikin kasa. Suna isa wani tsawon 9 cm. Duk da haka, bayan da metamorphosis na frogs kawai 1.5-2.5 cm a kawai 2-3 watanni.

A mafi m ga su ruwa zazzabi + 20-28 ° C, a + 5-6 ° C, da cin tashar, kuma a + 1-2 ° C a kashe su. Ba duk tadpoles juya a cikin wani adult rana lake. Mafi yawansu ba su zama abinci na predatory kifi da kuma da dama daga cikin tsuntsaye.

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