Barka da zuwa shafi na 404! Kuna nan saboda shigar da adireshin shafi wanda babu shi ko an koma da shi wani adireshin.
Wannan shafin da kuka nema na iya juyawa ko an share shi. Hakanan yana yiwuwa cewa kun yi karamin typo lokacin shigar da adiresoshin - wannan yana faruwa har ma tare da mu, don haka sake bincika shi a hankali.
Da fatan za a yi amfani da maballin kewayawa ko kuma neman hanyar neman bayanin da kake sha'awar. Idan kuna da wasu tambayoyi, to ku rubuta wa shugaba.
Otter
Otter (lat. Lutra lutra) - dabba mai furry daga gidan Marten, wanda, ba kamar yawancin dangin sa na ƙasar ba, sun zaɓi rayuwar rayuwa ta rabin-ruwa.
Kuna iya saduwa da ita a cikin koguna na daji, tafkuna, tafkuna da kuma gefen tekun teku. Wurin zama ya yaɗu zuwa duk Turai da Asiya, ban da na Arewa mai nisa, kuma ta kame arewacin Afirka.
Babban abin da ake buƙata na otter zuwa tafki shine kasancewar masu ba da izinin kankara, wuraren waha da, ba shakka, adadin kifaye masu yawa. Yanke kusa da kamun kifin, yana iya haifar da mummunar lalacewa. Gaskiya ne, kwanan nan an rage wannan haɗarin, saboda yawan mayukan daji ya ragu sosai, duk da duk matakan da suka shafi muhalli da aka ɗauka.
An haramta farautarsu a cikin ƙasashe da yawa, amma, abin takaici, wannan bai dakatar da masu fashin ba, kamar yadda otters ke da ƙamshin gaske, wanda, bisa ga suttura da tsage cikin furry, ana ɗauka a matsayin 100%. Kayayyaki daga konkoma karɓar fata na otter na iya bauta wa kusan lokatai talatin, wanda ya zama sanadin wargaza taro na waɗannan kyawawan dabbobin.
Mai otter yana da dusar murɗa, mai hana ruwa tare da gashin kwarangwal, amma ƙazamar laushi da laushi. Irin wadannan rigunan da suke musu dumin jiki yayin da suke cikin ruwan kankara, saboda wannan dabba mai nauyin kilo goma bata da mai.
The otter ya bushe kuma yayi iyo sosai. Kuma wannan ba abin mamaki bane - da alama jikinta ya dace sosai don mamaye wuraren ruwa. Dabba mara nauyi da sassauƙa tare da tsawon jikinta 55 zuwa 95 cm cikin sauri ta yanke ta cikin ruwa, ƙwanƙwaran rabin m da wutsiya mai kauri suna aiki azaman tuƙi mai dacewa. Dogayen kunnuwa masu santsi suna sanye take da takaddun allo na musamman waɗanda ke kulle wurin buɗe ido a ƙarƙashin ruwa.
Mai otter yana da shugaban lebur, gajeru, ƙyalli mai kauri da kauri mai ƙarfi. Wsuduna biyu gajeru ne, tare da baƙaƙen kafafu da kuma membranes na yin iyo tsakanin yatsun. A wannan halin, kafafu na gaba sun fi gajerun kafafu na baya, wanda shima yana taimakawa mai iya yin iyo sosai. A kan kanta, kafafu da kuma bayanta tana da launin shuɗi mai launin shuɗi ko launin ruwan kasa, gefenta sun fi sauƙi, ciki kuma na azurfa ne.
Otter yana ciyar da kifi sosai, musamman ma yana da sha'awar ɗanye, wanda yake jurewa daidai da ruwa. Idan wani abu mai mahimmanci ya shiga cikin hakorar masanin masaniyar nan, dabbar tana jan abincin da take ci kuma ta ci da abinci. A da, ragowar irin waɗannan bukukuwan ne suka ba mafarauta mazaunin mazauna kogi, tunda yawan ƙasusuwa koyaushe suna kwance a cikin ramuka masu saƙar hankali.
Itaciya dabba ce ta dare wacce take ɓoye a cikin gidanta lokacin awowi. Tabbas, mazaunin ta ba irin na mara da kyau bane, amma har yanzu tana da bushe da sarari. Amma ba ta son yin lingi na dogon lokaci a wuri guda - idan babu isasshen abinci ko idan duk tsutsotsin ba zato ba tsammani, otter zai shiga neman sabon fagen fama. Abin sha'awa, a ranar da ta sami damar shawo kan fiye da kilomita 15, a cikin tsananin dusar kankara.
A lokacin rani kusan kullum yana zaune, saboda a cikin lokacin dumi zaka iya bambanta abincinka tare da ƙananan ƙwayoyin, invertebrates, har ma da ducks da manyan bindigogi. Sannan ya kawo yaransa makafi, wadanda a cikin liyafa dayawa galibi daga biyu ne zuwa hudu. Duk da cewa cikin da kanta zata dauki kwanaki 63 ne kacal, lokacin haihuwar na iya shimfidawa har tsawon watanni 9, saboda otters, kamar bears, wani lokacin suna da latti na dogon lokaci.
Abin sha'awa shine, otters din suna da sauki kuma zasu iya koyan wasu dabarun nishadi. Amma ba za ku gansu ba a cikin jerin gwano, saboda ba shi yiwuwa a horar da waɗannan dabbobin da ba su da matsala: da ƙware da wani abu kuma an karɓi magani game da shi, nan da nan otter yayi ƙoƙari ya ɗan bambanta bambancin da mutum ke gabatarwa, wani lokacin yana canza shi sama da fifiko.
Yaɗa
Itacen otter ne mai rarrabewa, yankuna da aka rarraba a yankin. Daga cikin dukkan marten, shine mafi ƙarancin annabin: yana shimfiɗa gefen bankunan koguna, tafkuna da wuraren tafkuna. Mafarautan sun warwatsa Otter cikin ƙarni na 19. A cikin 1946, masu ba da ma'adinai sun yi ma'adinin a cikin Novoburasky, Samoilovsky da Volsky yankuna, a cikin 1948 - Balashovsky da Bazarno-Karabulaksky. Babu takamaiman bayanai game da rarraba ta yanzu a yankin Saratov. Wannan ya faru ne saboda raunin maharbi da kuma hanyar ɓoye rayuwa, kuma halin ta don sauƙin canza mazauninsu a kan kogin tare da raguwar albarkatun abinci ko damuwar ɗan adam. An lura da abubuwanda suka fashe a cikin rijiyar otter a cikin ambaliyar ruwan Khopra, Karamansky da Koshelevsky na babban yankin rafin Volgograd. Ziyarar ziyartar dabbar daga yankuna Voronezh, Samara da Penza mai yiwuwa ne.
Bayanin Otter
Otters membobi ne na dan mustel. Su dabbobi ne na hakika waɗanda ke da ƙaƙƙarfan jaws tare da manyan hakora. Wannan tsari yana ba su damar sauƙaƙe ƙwayoyin ƙwayoyin mollusks. Abubuwan da ke faɗuwa a teku suna da maɓoɓin kuɓutattun kafafun kafafunsu na gaba, wanda hakan yana haifar dasu haɗari musamman a cikin ƙanshin.
Bayyanar
Bayyanar da girman otters kai tsaye sun dogara da nau'in su. Abubuwan kogin kogin suna da tsayi, gawarwaki, gajerun kafafu, yatsun webbed, da dogaye, wutsiya mai kyau. Duk waɗannan na'urori suna da mahimmanci don rayuwarsu ta ruwa. An rufe jikin otter mai launin ja mai launin shuɗi a saman da wuta, tare da tintaccen azurfa akan ciki. Jawo kansa ya kasu kashi biyu gashi mai kauri da kuma kauri mai kauri mara ruwa. Otters kusan suna tsaftace furfuransu, saboda dabbar da ke da datti gashi na iya mutuwa a lokacin sanyi. Ja mai tsabta yana taimakawa wajen dima jiki, saboda kusan babu mai a jikin mayyar.
Maza manya daga cikin nau'in kogin rami suna da kimanin santimita 120 a tsayi, da suka hada da wutsiya, kuma suna da nauyin kilo 9 zuwa 13. Matan da suka manyanta ma kadan ne. Abubuwan da ke lalata koguna wani lokaci ana kuskure ga takwarorinsu na teku. Koyaya, maza na wakilai na ruwa a cikin girman sun kai santimita 180 da nauyi har kilo 36. Makon ruwan teku sun dace da ruwan gishiri, suna iyo zuwa gabar ruwa don ɗan hutu da kuma zuriyar. Mutane kogin za su iya yin tafiya akan ƙasa don dogon nisa.
Abubuwan kogi suna son yin wasa akan tsaunuka masu narkewa ko kuma dusar kankara, wani lokacin ma zaka iya ganin fari daga jikinsu akan dusar ƙanƙara. Kayan dabarun su yana bayyana akan shafukan memes akan Intanet, suna sa muyi murmushi koyaushe. Amma kar ka manta cewa bayyanar na iya zama yaudara.
Halin hali da salon rayuwa
Otter yana da matukar rufin asiri. An gwada shi ta yankuna na mazaunin ruwa daban-daban, daga ƙananan rafuffuka zuwa manyan koguna, tafkuna masu tsayi, lagoons na gabar teku da yashi. Koyaya, mayyar da ke rayuwa a bakin tekun ruwan gishiri dole ne ta sami damar zuwa wasu wuraren ruwan shan ruwa domin yin iyo. Kowane ɗayan mutane suna alama don alamar yankinsu. A cikin sa, otter na iya samun wuraren hutawa daban-daban, wanda ake kira sofas da bangon ƙasa - holts, wanda za'a iya kasancewa a nesa mai nisa (har zuwa kilomita 1) daga kogin. Otters ba sa gina gida. Sun mamaye burbushin beaver ko rami a ƙarƙashin dutse da tushen itacen.
Abin ban sha'awa ne! Abubuwan kogi suna aiki dare da rana idan basu jin haɗari ko kasancewar mutum a kusa. Duk tsawon lokacin da suke farkawa kan hanyoyin tsabtace jiki, ciyarwa da wasannin waje. Abubuwan kogi suna aiki duk shekara, kuma ƙari, suna cikin motsawa koyaushe. Banda mata kawai ke haihuwar zuriya.
Don kallon otters, kuna buƙatar zauna a hankali a wuri guda an ɗaukaka shi sama da ruwa. Wajibi ne a sami kusurwar kallo wacce ba za a hango mai kallo a cikin ruwa ba. Abubuwan kogi suna cikin tsoro, suna da haɓaka da ji da ƙanshi, amma suna da ɗan gani-gani kuma baza su iya lura da mai kallo ba idan yana jujjuyawar. Duk da kyawun dabi'ar dabba, kada kuyi kokarin matsowa ta kusa. Kodayake yawanci ba sa kai wa mutane hari, ba shi yiwuwa a hango ko hasashen halayen mace tare da jariran.
Iri Otters
Akwai nau'ikan otters 12. 13 daga cikinsu har zuwa lokacin da aka ayyana kogin Japan Otter na shekarar 2012. Wadannan dabbobin suna rayuwa ko'ina ba sai Australia da Antarctica ba. Wasu daga cikin ruwa na keɓaɓɓu ne, kamar mayukan teku waɗanda ke rayuwa a tekun Pacific.
Kuma wasu suna amfani da fiye da rabin lokacinsu a kan ƙasa, kamar babban otter da ke zaune a cikin gandun daji na ruwan sanyi na Kudancin Amurka. Dukkansu suna cin kifin, kifin kifi, lobsters da ƙananan dabbobi da aka samu a bakin gabar teku. Manyan otters suna cin abinci akan piranhas a kai a kai, kuma har ma an san masu allurar suna kama abin da suka kama.
Mafi ƙaramin otter shine Gabas ko Asiya Shorthair. Wannan kyakkyawan dabba ne, mai bayyanawa mara nauyi wanda bai wuce kilo 4.5 ba. Shorthair otters suna zaune a cikin gungun dangi na mutane 6 zuwa 12. Ana samun su a cikin yankuna masu bushewa a gefen tafkuna da koguna a Kudancin Asiya, amma adadinsu yana raguwa yayin da mazauninsu na asara suka ɓace.
Otter na Turai, wanda kuma aka sani da Eurasian ko na kowa, shine mafi yawan jinsunan. Waɗannan dabbobin sun fi dacewa da daidaita yanayin rayuwa kuma suna iya rayuwa a kan samfurori da yawa, nau'ikan da suka bambanta da kifi zuwa kifaye. Ana iya same su a ko'ina cikin Turai, a cikin yankuna da yawa na Asiya, da kuma a wasu sassan Arewacin Afirka. Wadannan ababe masu yawan farare ne. Suna aiki dare da rana, kuma suna farauta cikin ruwa da kan tudu.
Babban gizon otter shine mafi tsayi nau'in, wanda ya kai santimita 214 a tsawon ban da wutsiya da kilo 39 na nauyi. Wadannan masu cutar sune yawancin nau'in zamantakewar al'umma kuma suna da salon rayuwa mai kama da Wolves. Groupsungiyoyin su daban-daban suna da alfa biyu, waɗanda su kaɗai ne ke haifar da zuriya. Sun kuma farauta a cikin fakitoci, suna kashewa suna cin biranen birai, birai da dabbobi. Amma babban nau'in abinci shine kifi.
Tushen abinci mai gina jiki shine kifi, invertebrates da ƙananan dabbobi masu shayarwa. Wani lokacin zomaye suna zama ganima. Waɗannan ne maƙiyan da ke son hawa kan tuddai mai dusar ƙanƙara. Bakin otter shine zakara mai nauyi. Yaro mai shekaru ya kai kilo 45 a nauyi. Wannan dabbobin dabba ce mai rayuwa a cikin Tekun Pasifik.
Abin ban sha'awa ne! Otter na Kogin Arewacin Amurka wata dabba ce 90 zuwa 12 santimita tsawo daga hanci zuwa wutsiya kuma tana da nauyi har kilo 18. Yawancin lokaci suna zaune a cikin ƙananan rukuni, ƙasa da sau ɗaya.
Ba a iya ganin bakin teku a bakin teku. Su ma suna cin abinci suna iyo a bayansu suna amfani da ciki kamar farantin karfe. Waɗannan dabbobin suna amfani da ƙananan duwatsu daga ƙasa don buɗe ɓarna na mollusks, wanda alama ce ta nuna hankali.
Habitat, mazauni
Yankin otter na iya shimfiɗa ta tsawon kilomita da yawa. Jimlar adadin kewayon ya dogara da yawan abinci. An yi imanin cewa ana samun ƙananan yankuna akan yankunan bakin teku, suna yin nisan mil 2. Ana samun mafi yawan yankuna a cikin rafuffukan ruwa, inda mutane a cikin kewayon kusan 20 kilomita suna mazaunin ɗan adam don abinci. Yankin maza, a matsayin mai mulki, ya fi girma fiye da na mace. Wasu lokuta sukan yi cudanya. Estimatedididdigar yawan jama'a kusan 10,000.
Otters na ƙasa da ke kewaye da shi zai iya amfani da gidaje da yawa. Sukan mamaye wuraren da ake tonon duwatsun, sarakuna a gindin bishiyoyi da ke girma a bakin kogunan koguna. Wadannan mazaunin na halitta suna da hanyoyin da yawa waɗanda ba a gan su daga waje don tabbatar da amincin dabbobi. Otters ba sa gina mazauni, amma suna iya mamaye gidajen zomaye ko gidajen wake. Otter din shima yana da kayan mahalli - wanda yake a nesa a cikin ciyayi mai nisa da ruwa. Wajibi ne a lokuta na ambaliyar farko.
Abincin Otter
Abubuwan kogi kogi dama ce da ke ba da abinci iri-iri, amma galibi kifi ne. Yawancin lokaci sukan ci ƙananan kifaye masu santsi a hankali, kamar irin kifi, ƙwallan laka. Koyaya, mayya suna ta fafutukar neman lamuran salmon, suna tafiya mai nisa a bayan sa.
Abin ban sha'awa ne! Abubuwan kogi suna narkewa kuma suna sarrafa abinci da sauri wanda yawancin abincin da aka ci yana tafiya cikin hanjin cikin awa daya.
Har ila yau, kogin kogi suna cin muskon ruwa, crayfish, crayfish, amphibians, manyan ƙwaro irin na ruwa, tsuntsaye (galibi sun ji rauni ko kuma duwatsar iyo iyo geese), ƙwai tsuntsu, ƙwai kifi da ƙananan dabbobi masu shayarwa (muskrats, bera, beavers matasa). A ƙarshen hunturu, yawan ruwa yakan saukar da ƙasan kankara a cikin koguna da kekunan daskararre, barin wani iska mai ba da damar otters kogi don tafiya da farauta kai tsaye a ƙarƙashin kankara.
Kiwo da zuriya
Kodayake masu sihiri na iya yin asali a kowane lokaci na shekara, yawancin suna yin wannan a cikin bazara ko farkon bazara. Mace tare da taimakon alamomin maras kyau tana alamta maza game da shirinsu na balaga.
Cutar ciki tana kimanin wata biyu, bayan wannan ne ake haihuwar zuriyar 'yan mata. Yawancin lokaci akwai jarirai biyu ko uku a cikin zuriyar dabbobi, amma biyar sun gani. Wata biyu, kafin samun 'yancin jarirai, mahaifiyar zata ja su tsakanin gidajen. Matasa masu tsayi suna zama a cikin dangi har na tsawon watanni shida ko ya fi tsayi kafin su watsu don ƙirƙirar danginsu.
Abokan halitta
Abubuwan bakin teku suna amfani da nasu saurin ƙarfi da ƙarfi don kariya. Yawan nau'in kogi sun fi fuskantar rauni, musamman idan suna kan kasa. Masu yin gandun daji (coyotes, karnukan daji, cougars da bears) suna kai hare-hare kan dabbobi matasa.
Hakanan, mutane suna kama magudanan kogi don sarrafa yawan kifayen a cikin tafkuna masu zaman kansu da kuma shinge na kasuwanci, don hana lalacewar kadarorin masu zaman kansu. Jawo wannan halittar shima yana da amfani. Mafi mahimmancin tasiri a kan yawan otter sun haɗa da ƙarancin ingancin ruwa saboda gurɓataccen sinadarai da gurɓar ƙasa, gami da canje-canje a cikin mazaunan bankunan kogin sakamakon canje-canje.
Yawan jama'a da matsayinsu
A yau a cikin daji, akwai game da 3,000 California otters da Alaskan 168,000 da Russia otters teku. Yawan otabilar Irish ya kasance ɗayan dattako a Turai.
Abin ban sha'awa ne! Akwai wasu hujjoji cewa, bayan gudanar da binciken farko na ƙasa, an lura da raguwar wannan nau'in halittar a farkon 1980s.
Ana fatan cewa za a magance dalilan wannan faduwar ta hanyar gano takamaiman wuraren kiyayewa, gudanar da kimantawa na kasa da ci gaba da sahihan bincike. Hadarin da ke tattare da yawan mazaunan na yanzu shine rashin abinci a cikin mazauninsu da kuma samar da wuraren nishaɗi da wuraren shakatawa.
Halaye da salon rayuwa
A yammacin yankin Saratov, yankin otter yana zaune galibi koguna masu arziki a cikin kifayen, tare da bankunan da gandun daji ya mamaye. Ta hanyar tashar, tana zaɓar wurare tare da raƙuman ruwa waɗanda ba su daskarewa a cikin hunturu, kuma tsaunin tsaunukan bakin teku masu ruwa suka wanke kuma ana buƙatar jigilar iska. Yawancin lokaci a cikin irin waɗannan biotopes akwai mafaka da yawa da kuma wuraren da za a iya gina burrows.Dukkanin manyan ayyukan otter suna faruwa ne a kan kunkuntar tsattsauran rairayin bakin teku - kusan mil 100 a kowane tsibiri, yanki yana mamaye daga kadada 12 zuwa 300. Ya fi ƙasa da yawa a cikin tabkuna koguna.
Ana amfani da otter galibi da daddare, a cikin hunturu a cikin hadari mai yanayi zaka iya ganin sa da rana. Wani ɓoyayyen rayuwa yana ba ta damar zama ko da a cikin manyan ƙauyuka. A cikin ƙasa, otter yana da rauni kuma mai nutsuwa, cikin ruwa yana da sauri da tsufa.
Yawancin lokaci otter a cikin mazaunin yana da rami na dindindin da mafaka na ɗan lokaci. Nora ya gamsu, a matsayin mai mulkin, a kan babban kogin rafi. Babban hanyar tana kasancewa cikin zurfin ruwa, kuma ɗakin mazaunin, akasin haka, yana cikin tudun bakin teku a wani tsayi mai tsayi sama da ruwan wanda idan matakin tafki ya sauka, koyaushe yana zama ba'a cika ambaliyar da shi ba. A Iskar iska tana kaiwa zuwa saman duniya daga falo mai rai. Amintacciyar ɗakuna an yi ta da ciyawa ko bushewa.
Siffofin haihuwa a cikin yankin Saratov ba su da karanci, amma tabbas dukkan manyan abubuwan da suka shafi haihuwa suna faruwa ne kamar yadda ake yin su a sauran bangarorin yankin. Man canjin yana faruwa a watan Fabrairu - Maris, ciki yana makonni 9 zuwa 9, tare da latent tsawon lokacinsa yana ƙaruwa zuwa kwanaki 270. Cuban sandar a cikin zuriyar dabbobi ne yawanci 2 -4. A wasu wuraren da ke cikin ɓangaren ɓangaren Rasha na kewayonta, sanannu ne yanayin haifuwar shekara, sannan kuma jarirai kan fito a kowane lokaci na shekara.
The otter yana jagorantar rayuwar rayuwa mai ruwa-ruwa, saboda haka mafi yawan lokuta yakan sami abinci a ruwa. Yana ciyarwa galibi akan ƙananan kifin: kifin kifin, pike, roach, da maraƙi. A cikin hunturu, yakan ci kwaɗi, wanda yake farauta a cikin rami na hunturu. Kari akan haka, yana kama kifin kifi, yana kai hari ducks da manyan bindigogi daga ƙasa daga ruwa, yana cin abinci a lardin caddise da sauran hanyoyin ruwa, kuma a kan tudu lokaci-lokaci yakan yi kamari a kan jijiyoyin kamar (voles na ruwa, berayen daji, da jan baki).
Iyakan dalilai da matsayi
An jera jigogin cikin wannan littafin a cikin littafin Red na yankin Saratov. Matsayin Kariya: 1 - lambobi ne masu matukar wahala, masu haɗarin gaske tare da adadi mai ƙarancin lamba da kekantaccen yanayin yanki na kewayon, wanda ke fuskantar barazanar lalata. Cikakken bayanan lissafi na yankin Saratov ba. Da alama, a cikin kwaruruka na kogin Don basin, akwai kusan mutane biyu zuwa uku, an san yawancin ƙauyuka masu yawa a cikin babban yankin rafin Volgograd, a gefen kogunan Volga akwai wasu mutane waɗanda sukan yin doguwar ƙaura daga wannan kogin zuwa wani.
Koyaushe ana daukar mai koken kare kogin farashi mai mahimmanci. An ƙare da farko saboda kyakkyawan kyakkyawa mai dorewa, abin sawa a cikin kasuwancin Jawo yana ɗaukar 100%. Yau, saboda ƙaramin lamba da kuma matakan da aka ɗauka don kare farauta masu farautar otter a yankin ba a gudanar da shi ba. Koyaya, na iya mutu ba da gangan ba, a haɗa da tarun mashin, an kama shi cikin tarko ko tarko da aka kafa akan dabbobin ruwa kusa da ruwa. Sauran dalilai marasa kyau waɗanda ke rage yawan mayu da rage yaduwar sun haɗa da rikice-rikice na mazauna ta hanyar magudanar da kwararar kogin da lalata gandun daji. Yana da matukar muhimmanci ga mai farautar cewa akwai isasshen kifaye a cikin tafki, don haka raguwar kifayen ya sa ba zai yiwu ga mai danshi ya kasance akan yawancin koguna a yankin ba.
Sauran abubuwan bayarwa:
Cascade na tafkunan da shuka Ostapenko
VIP kandami "Black duwatsu"
Taron shakatawa na kandami
Gona kandami Podgornovsky
Pond farm "Golden Carp"
Yelshansky Pond Cascade
Babbar Raba Wuri
Wurin Wurin Zinare
Wajan a ciki tare da. Alexandrovka
Dabbobi na yankin Saratov
Mai otter yana da dusar murɗa, mai hana ruwa tare da gashin kwarangwal, amma ƙazamar laushi da laushi. Irin wadannan rigunan da suke musu dumin jiki yayin da suke cikin ruwan kankara, saboda wannan dabba mai nauyin kilo goma bata da mai.
The otter ya bushe kuma yayi iyo sosai. Kuma wannan ba abin mamaki bane - da alama jikinta ya dace sosai don mamaye wuraren ruwa. Dabba mara nauyi da sassauƙa tare da tsawon jikinta 55 zuwa 95 cm cikin sauri ta yanke ta cikin ruwa, ƙwanƙwaran rabin m da wutsiya mai kauri suna aiki azaman tuƙi mai dacewa. Yana da nauyin kilo 6 zuwa 10. Wutsiyar dabba ba ta ƙoshin iska kwata-kwata, amma sanye take da adadin tsokoki. Ralarshe sassan wutsiya suna da babban tarin ƙwayar collagen wanda yakamata don tara mai. Dogayen kunnuwa masu santsi suna sanye take da takaddun allo na musamman waɗanda ke kulle wurin buɗe ido a ƙarƙashin ruwa.
Mai otter yana da shugaban lebur, gajeru, ƙyalli mai kauri da kauri mai ƙarfi. Wsuduna biyu gajeru ne, tare da baƙaƙen kafafu da kuma membranes na yin iyo tsakanin yatsun. A wannan halin, kafafu na gaba sun fi gajerun kafafu na baya, wanda shima yana taimakawa mai iya yin iyo sosai. A kan kanta, kafafu da kuma bayanta tana da launin shuɗi mai launin shuɗi ko launin ruwan kasa, gefenta sun fi sauƙi, ciki kuma na azurfa ne. Rufin bazara ya ɗan rage gashin gashi na hunturu, amma launi ba ya canzawa. Tsarin musamman na gashin gashi ya ba da izinin otter don kada ya jike a ruwa.
Otter yana ciyar da kifi sosai, musamman ma yana da sha'awar ɗanye, wanda yake jurewa daidai da ruwa. Idan wani abu mai mahimmanci ya shiga cikin hakorar masanin masaniyar nan, dabbar tana jan abincin da take ci kuma ta ci da abinci. A da, ragowar irin waɗannan bukukuwan ne suka ba mafarauta mazaunin mazauna kogi, tunda yawan ƙasusuwa koyaushe suna kwance a cikin ramuka masu saƙar hankali. Itace ma fi son ƙananan kifi zuwa manyan kifi; A cikin hunturu, yana cin kwaɗi, a kai a kai - ƙarancin caddis. A lokacin rani, ban da kifi, yana kama voles na ruwa da wasu mashinai, kuma a wuraren yakan farauta manyan giwayen da duwatsun. Wadanda abin ya ritsa da su wasu lokuta zomaye, tsuntsaye da sauran dabbobin. Bugu da kari, ita ma za ta iya cin abincin shuka.
Tsari tsari ne mai kariya kuma wanda ba iya ganuwa ga kowa, mink, ƙofar wanda yake ƙarƙashin ruwa. Haka kuma, minks sun yi layi tare da ciyawa da ganyayyaki a ciki, a matsayin mai mulkin, suna da bayanai biyu da abubuwan fito. Wani lokacin yakan shirya hanyarsa zuwa cikin kogo ko, kamar gida, a cikin ciyawar da ke kusa da ruwa. Mai otter yayi iyo ya mutu daidai, kuma a ƙarƙashin ruwa na iya wanzu har zuwa minti 5. Kafin zuwa bakin teku, otter din yayi saurin jujjuyawar yana kallo, kuma yakan sanya mafitar dindindin tare da rassa ko kafa.
Godiya ga tasirin mahimmin abu, yana da wahalar kawar da kanta daga gare ta, har ma ta hanzarta canje-canje ta shugabanci. Sukan yi farauta sosai koda a cikin ruwa mai laka, suna tantance wurin da kifin yake tare da kayan aikinsu. Koyaya, don cimma burin, otter yana ɗaukar makamashi da yawa. Daya daga cikin ukun kokarin yayi nasara. Kafin cin abincinta, za ta ɗan ɗan more ɗan lokaci tare da ita, wanda ke tabbatar da amincewar malamin a cikin kansa. Lokacin da aka gama, otter na iya kwanciya barci.
Itaciya dabba ce ta dare wacce take ɓoye a cikin gidanta lokacin awowi. Tabbas, mazaunin ta ba irin na mara da kyau bane, amma har yanzu tana da bushe da sarari. Amma ba ta son yin lingi na dogon lokaci a wuri guda - idan babu isasshen abinci ko idan duk tsutsotsin ba zato ba tsammani, otter zai shiga neman sabon fagen fama. Abin sha'awa, a ranar da ta sami damar shawo kan fiye da kilomita 15, a cikin tsananin dusar kankara.
A lokacin bazara, kusan kowane lokaci rayuwa ke zaune, "Shafin sirri" na otter ɗaya ya ƙunshi wani ɓangaren kogin daga tsawon 2 zuwa 18 kilomita mai tsayi kuma kusan zurfin 100 zuwa cikin gabar teku. Otters marasa amfani ne marasa kyau, kuma wani lokacin harda zubar jini. Very wayo da dodgy.
Tafiya kewaye da shafin yanar gizon sa, dabbar tana motsawa koyaushe tare da tudu, kawai lokaci-lokaci iyo. Tana nasara da babbar hanyar ruwa, ta gangara zuwa ƙasa, da tarkace da rapids ta ƙasa. Wannan dabbar na da hankali, tana tashi daga saman tudu, sau da yawa tana yanke wata hanya, tana wucewa zuwa wurare masu ƙanƙanta. Kowane hanyar da ake samu ta wannan hanyar miƙa mulki ta yau da kullun ana nuna ta ta hanyar ingantacciyar hanyar da mai iska ke gudana ba da daɗewa ba, ba tare da tsayawa ba. Bayan ya isa ga ruwa, dabbar ta yi biris da sauri, kuma daga tsaunin zuwa ƙwanƙwasa tana birgima a ciki.
Abun kogi, dabba mai tarin yawa, baya manne da abokin tarayya. Abokan adai sun guji haduwa da juna, sai idan dabbobi sun aure. Otters ba su da takamaiman lokacin kiwo, yawanci a watan Maris-Afrilu. Amma a ƙarƙashin wasu yanayin yanayi, suna iya haifar da kusan duk shekara. A wannan lokacin, otters suna zama masu wasa. Amma ko da a lokacin wasannin, akalla ɗayansu ya kasance mai lura sosai kuma yana bincika yankin. Maza yawanci sukan shirya fada don 'yancin mace.
A cikin lokacin mating, otters suna da alaƙa da juna sosai. Dabbar canji yakan faru ne a ruwa. Bayan wata biyu, mace ta fara tsabtacewa a gidanta, tana shirya shi don bayyanar jariran. Tana ragargaza ƙasa kuma tana faɗaɗa rami. Matar tana haihuwar aboutan kimanin kwanaki 63, kodayake dukkan ɗaukar ciki kwana 270 ne. Aya mace tana haihuwar yara biyu zuwa 4.
Tsawon jariri ya bambanta daga 10 zuwa 18 cm tare da nauyin jiki na 77-133 g. Lokacin haihuwa, ƙananan otters ba su ganin komai kwata-kwata. Idanun sun buɗe a ranakun 9-10. Ot matasa masu tsalle-tsalle suna iyo da kyau, amma wasu mutane suna jin tsoron ruwa, dole ne uwa ta ja su daga ƙasa zuwa ruwa.
Anan, yaran suna bin mahaifiyarsu, suna koyon inda zasu kama, inda zasu nemi mafaka, inda ruwa ke tafiya da sauri kuma a hankali. A hankali, ,an sandunan ya saba da ruwa kuma baya jin tsoron nutsewa da iyo. Cikakken sa maturean sun cika shekaru biyu a rayuwarsu. Tuni a wannan zamani, sun sami damar mallakar zuriyarsu.
Abin sha'awa shine, otters din suna da sauki kuma zasu iya koyan wasu dabarun nishadi. Amma ba za ku gansu ba a cikin jerin gwano, saboda ba shi yiwuwa a horar da waɗannan dabbobin da ba su da matsala: da ƙware da wani abu kuma an karɓi magani game da shi, nan da nan otter yayi ƙoƙari ya ɗan bambanta bambancin da mutum ke gabatarwa, wani lokacin yana canza shi sama da fifiko.
Tsawon rayuwa na wani abu a cikin yanayi shine shekaru 10.