• Umzimba omnyama, omnyama noma omnyama ngwevu ngombala wokuhluka emuva emuva ngombala onsomi okhanyayo wezinhlangothi.
• Dlala omhlophe noma ukukhanya grey ngisesiteji.
• I emphinjeni mhlophe futhi isisu.
• Inhlawulo ephezulu ye-crescent dorsal.
• ejwayelekile, kahle imakwe ukukhanya grey patch sehhashi ngemuva fin amaphiko.
• Fast futhi eyingqabavu, ngokuvamile jumping ephuma emanzini.
• Imvamisa uhamba nemikhumbi ihamba iconsisa i-wave wave.
• zivamise ukwenzeka ngeenqhema balingisa abantu 30, ngezinye izikhathi zakha imihlambi abantu abangamakhulu amaningana.
• Uma ukuzingela ungakheka umhlambi exutshwe Atlantic ihlengethwa ezimhlophe emaceleni. Kwesinye isikhathi kuhambisana nemikhomo emikhulu.
• Abanye ifomu imihlambi exutshwe amahlengethwa grey, kanye uphelezela imikhomo emikhulu.
2.5-W, 0 m? I-1.7-2.6 m, n / a 1.1-1.2 m. Iningi langemuva linombala omnyama noma omnyama, kepha ngemuva kwendawo ephakeme kunendawo emnyama noma emhlophe (engasho lutho kubantu abasha), grey ukukhanya nge
umugqa omhlophe emaceleni emehlweni phansi ingquza, isisu emhlophe. Phezulu (ikakhulukazi kwabesilisa) i-crescent dorsal fin. ikhanda Round nge ngisesiteji emfushane, ngokuvamile grey ukukhanya noma amhlophe.
Ukwahlukana kusuka kwezinto ezifanayo
Ihlengethwa elimhlophe eliseceleni kwe-Atlantic lihlukaniswa ngokungabikho kwendawo eyisibeki emhlophe ne-rostrum emnyama, kanye nokwakheka komucu omhlophe ezinhlangothini zayo. Kufanele kukhunjulwe ukuthi umbala ihlengethwa elimhlophe-beaked zingase abantu atholakala ngisesiteji amnyama. ihlengethwa i-common mancane, Imizimba ngomusa ngaphezulu, ngisesiteji eside nombala.
Izinhlobo eziningi kakhulu zamahlengethwa oLwandle iBarents. Inombolo ephelele zilwane okungenani amashumi ambalwa ezinkulungwane abantu.
IUCN - LC, Russia - isigaba 3.
Indlela yokuphila nokuziphatha
Batholakala emaqenjini ezilwane ezingama-550, kwesinye isikhathi babutha imihlambi yabantu abangamakhulu amaningana. Abesifazane kanye lamawundlu ziqoqwa wokubukisa ngamaqembu ahlukene. Ngezinye izikhathi akha umhlambi exutshwe Atlantic ezimhlophe emaceleni ihlengethwa. Imvama ukuphuma emanzini. Zidla on inhlanzi, ezinamagobolondo futhi cephalopods. Ngokuvamile ahlele ukuzingela collective ezansi.
Ukuvuthwa kufinyelelwa eminyakeni eyi-7-12 ubudala. Ukukhulelwa izinyanga 11. Ubude bempilo, ngokusobala, eminyakeni engaba ngu-30-40 ubudala.
Isimo samanje sokucwaninga
Emanzini Russian engakaze wafunda. main
Ukusatshalaliswa kanye nabantu
Ezitholakala Olwandle uBarents. Mhlawumbe ngezinye izikhathi ongeza White Sea futhi engxenyeni eseningizimu oLwandle iBaltic. Uncamela izindawo ezixinile kunamahlengethwa amhlophe qhwa e-Atlantic.
Nezokudoba nokubaluleka kwezomnotho we
Idlanzana lezi amahlengethwa limbiwa ngasogwini Greenland and Labrador.
Njengazo zonke izilwane ezincelisayo zasolwandle zaseNyakatho ye-Atlantic, amahlengethwa anombala omhlophe athola kakhulu ukungcoliswa yinsimbi ezisindayo nama-organochlorines. Isibalo izilwane befa ngenxa by-catch nokudoba incane futhi akusho iwusongo kuya Ukuqhubeka kwalezi zilwane zikhona.
Ukubukeka ihlengethwa elimhlophe-beaked
Ubude bomzimba obuphakathi behlengethwa lobuso obumhlophe buphakathi kwamamitha angama-2,9-3.1, izintokazi - amamitha ayi-2,6-2.8. Shona osayizi ezisukela 42 kuya ku-48 amasentimitha.
Baye evuthiwe amaphiko pectoral, okuyinto evamile akhawunti 17-18% wenani obuphelele umzimba.
I-caudal fin iphakathi ngosayizi, ikhumbuza ukwakheka kwayo njengenyanga encane. Amaphiko fin lesifanele ucwezana ukuma, ngeminyaka anda usayizi-30 cm. Uqhwaku lwenhlanzi okuthiwa i lolu hlobo amahlengethwa esifushane, akuvamile zihlukaniswa ezingaphezu kuka-5 cm. Ngokuvamile okuhlanganisiwe nge ebunzini ezitshekile futhi has ngokuphelele cishe imperceptible inkatho lateral. Emaphethelweni udebe eliphezulu ngokuvamile kukhona ukukhanya noma amhlophe.
Izinhlangothi zimnyama, futhi umbala omnyama wehlela ezisekelweni zamaphinifa e-pectoral. Ngokuvamile kukhona strip amnyama esisuka kusukela phansi fin pectoral ukuba ekhoneni lomlomo, esemgwaqweni ngaphezu okusaqanda indawo elimhlophe. Zonke amaphiko ngokuvamile ababethi emnyama noma black umbala, kodwa ngezinye izikhathi phansi umsila kanye amaphiko pectoral kuthiwa ukubopha e grey.
I-dolphin enamakhanda amhlophe (iLagenorhynchus albirostris).
Umlomo whitebeaked amahlengethwa aqhoshe elikhulu, amazinyo enamandla 6-8 mm obukhulu. I ongenhla itholakala 22-28 ngazimbili amazinyo, inombolo efanayo futhi ezansi.
Indawo yokuhlala dolphin ebheke ebusweni obumhlophe
Lezi zilwane amahle ezitholakala eNyakatho ye-Atlantic ngasogwini France futhi kuze kube oLwandle uBarents. Ngakolunye izinhlangothi ukukhahlamezeka kwendawo yemvelo kungagcini Labrador futhi Davis Strait phansi Massachusetts. Imvamisa kusabalele oLwandle lwaseNorway, kanye naseNyakatho yolwandle ngasogwini lweNorway nase-UK. ungabona imihlambi emikhulu le zinhlobo Varanger Fjord, inombolo ukufinyelela ezilwaneni ayizinkulungwane eziningana ukubonwa.
Ubusika zonke ayahamba labantu kuya ezifundazweni eziseningizimu ye-ububanzi, eduze ukushisa. Kutholakala yonke indawo eRussia ogwini lwaseMurmansk, kanye naseFeninsula Yezokudoba. Sekube amacala elimhlophe-beaked ihlengethwa observation eRiga futhi eGulf of Finland, kodwa indawo lezi zilwane akunakubangelwa ngaphezulu kuya okungafakwa. Uhlala nasogwini Sweden e oLwandle iBaltic.
Ngokuqondene nombala, iningi lomzimba wale dolphin obheke ebusweni obomhlophe mpunga noma limnyama ngombala, kepha isisu noqhwaku kuvame ukuba mhlophe, okunikeze igama lawo igama.
I Davis Strait zivela kanye porpoises entwasahlobo, lapho uya Beluga futhi Narwhal, amelela bayingozi amahlengethwa. Nokho, ngo-November, azisekho ahlangane khona - bona uthuthe eningizimu.
Indlela yokuphila nokudla kwamahlengethwa abhekene namhlophe
Njengezinye izinhlobo eziningi, amahlengethwa - yizilwane nomphakathi. Zihlala amaqembu 5-8 abantu, futhi ngokuvamile kulawo maqembu kukhona ezimbalwa ecacile kabani ubuhlobo sinamandla ngempela. Uma kunokudla okwanele, futhi kulula kakhulu ukubamba, imihlambi emikhulu yezikhathi, kwesinye isikhathi ibalelwa kuma-dolphin amadala ayi-1000. Lapho ukudla ayasweleka, umhlambi futhi bahlukana ngamaqenjana ngelulela ziyofuna ukudla.
Encwadini yakhe nge-spare time ukuzingela la imikhomo ukudlala futhi zibukisa, kuyashesha a ijubane 30-40 km ngehora. Ngasikhathi sinye, benza gxuma eliyisiqalo, bendiza phezu kwamanzi ngamamitha ayi-10-12.
On ukuphila ihlengethwa elimhlophe-beaked is kancane eyaziwa, ngoba silwane esincelisayo esiyivelakancane.
Ngokuvamile ephelezelwa yinkantolo ngenxa nje yelukuluku yakhe. Njengokuhlinzekwa, la mahlengethwa awaneme nganoma yini: zonke izinhlobo zezinhlanzi ezi-benthic, ama-mollusks, ama-crustaceans - konke lokhu kudla njengokudla kwedolini elibhekwe mhlophe. Ngo izisu zilwane wafunda wathola ama-cod, i-herring, capelin, mackerel kanye nezinye izinhlobo eziningi zezinhlanzi. Futhi kalula udle squid. Kwesinye isikhathi, ukondla umzimba ngamavithamini kanye namaminerali adingekayo, izitshalo ze-algae nezasemanzini ziya ekudleni dolphin.
Kabusha ihlengethwa elimhlophe-beaked
Ngokuvamile usathandana kwalesi silwane ihlengethwa kuyinto ehlobo noma kwentwasahlobo. Owesilisa unakekela owesimame futhi amvundise. Phakathi ihlobo elilandelayo, ukukhanya okuzelwe ihlengethwa, ogama usayizi amabanga kusuka 110 kuya 160 cm. It kuhlangene ngokungenakuhlukaniswa unina onyakeni wokuqala wokuphila, ngemva kwalokho-ke uqala ukudla kuphela, futhi ingena khulula-ukubhukuda. Eminye imininingwane ukutshela mayelana yokuzalanisa ihlengethwa elimhlophe-beaked, maye, akunakwenzeka - basuke kakhulu kabi afunda, futhi amaqiniso abaningi ayikaziwa ezazini zesayensi.
Ngokwesilinganiso, isikhathi sokuphila dolphin endaweni yaso yemvelo siyiminyaka engama-35 kuya kwengama-40, kepha ekudingisweni, isikhathi sempilo sincishiswa kakhulu.
Lolu hlobo ihlengethwa is hhayi Kunconywa ukuba bahoxe ekungeneleni imvelo, njengoba zokuzalela kubo ekuthunjweni ungatholi, okuyinto izindlela ukuthi abantu abanjalo abasoze efa kancane kancane.
Kungase kutholakale imiphumela emihle kwi womuntu wukukhanya lezi zilwane ultrasound. Ngenxa yalesi senzo, kanye nokudlala kwaso, lezi zilwane ngezinye izikhathi ezisetshenziswa emapaki amanzi kanye namahlengethwa.
Uma uthola iphutha, sicela ukhethe ucezu lombhalo bese ucindezela I-Ctrl + Faka.