Bowha Whale yana rayuwa a cikin ruwan polar. Jikin wata kifin whale mace ya kai tsawon m 22, yayin da maza, ba daidai ba, iyakar girman su 18 m.
Bowhabin nauyin kifi, yana iya zama daga tan 75 zuwa 150. Wannan ba lamari ne da ake yawan faruwa ba, a mafi yawan lokuta kifayen ruwa ba sa nutsewa haka, a matsakaici yana da mintuna 10-15 a ƙarƙashin ruwa.
Suna yin ƙaura cikin fakiti, inda suka kasu kashi uku: manya, balagaggun jima'i kuma ƙasa da shekaru 30. Lokacin da ake nazarin halaye, an lura cewa ana baiwa mata da cubasan gata su fara ciyarwa, sauran garken suna layi a bayansu.
Bayanin kwarjin kifin... Ofaya daga cikin siffofin halayyar whale shine ƙananan ɓangaren jikin kifin whale sun fi launi launi sosai.
Wani fasalin tsarin shine girman jaws. Bakin bakin kifi yana da girma kuma yana da madaidaiciyar siffar baka.
Shugaban kifin whale yana da girma ƙwarai, dangane da jiki duka, yana ɗauke da sulusin duka tsawon nifin. Yayinda aka fi kusa da tsarin, an lura cewa a kusa da kan wannan dabba mai shayarwa akwai wurin da yayi kama da wuya.
Wakilin wannan nau'in bashi da hakora, amma an rufe bakin bakin tare da adadi mai yawa na faranti na whalebone. Tsawon su daga 3.5 zuwa 4.5 m, kuma lambar su ta bambanta zuwa 400.
Layer mai subcutaneous a cikin dabbobi masu shayarwa yana da kauri sosai - har zuwa 70 cm, irin wannan layin yana taimakawa wajen jimre wa matsi yayin zurfafa ruwa, yana riƙe da zazzabi na yau da kullun, wanda a cikin kifin kifin kifi daidai yake da yanayin zafin jikin mutum.
Idanun kifin k'anana ne tare da murfin kauri, suna nan a tarnaƙi, kusa da kusurwoyin bakin. A lokacin hawan bayan zurfin zurfin ruwa, whale na iya busa maɓuɓɓugar-jet biyu zuwa tsayin 10 m.
Whales ba su da auricles na waje, amma sauraro yana ci gaba sosai. Tsinkayen sauti a cikin dabba mai shayarwa yana da fadi da fadi sosai.
Wasu daga cikin ayyukan ji a cikin whale na polar suna kama da sonar, godiya ga abin da dabba ke iya sauƙaƙa kansa a ƙarƙashin ruwa, koda a cikin zurfin. Wannan ikon ji yana taimaka wa kifi kifi don ƙayyade nesa da wurare.
Headungiyar Whale ta Bowhead - wasu sassan Arctic Ocean. Ana samun galibi makarantun waɗannan dabbobi masu shayarwa a cikin ruwan sanyi na Chukchi, Gabashin Siberia da Tekun Bering.
Kadan gama gari a cikin Tekun Beaufort da Barents. A lokacin bazara da bazara, kifayen teku suna tafiya zuwa cikin ruwan sanyi, kuma a lokacin sanyi suna komawa yankin bakin teku.
Duk da cewa kwarjin kifin yana rayuwa a cikin tsaunukan Arctic, ya fi son motsawa cikin ruwa mai tsabta ba tare da ƙanƙarar kankara ba. Idan kifin whale ya buƙaci ya fito ƙarƙashin ruwa, yana iya ratsewa ta kankara 25 cm mai kauri.
Yanayi da salon rayuwar kifin whale
Kifin Whale sun fi son zama a cikin garken, amma wani lokacin ana iya samun daidaikun mutane marasa aure. A hutawa ko barci, kifin kifin yana saman ruwa.
Saboda girmanta da ban tsoro, kifin kifin baka yana da 'yan magabta. Kashe kifi whale ne kawai, ko kuma wani garken tumaki, na iya haifar da mummunan lahani ga dabba mai shayarwa, galibi matasa waɗanda suka yi yaƙi da garken sun zama ganimar whale killer.
Na halitta, zabin yanayi ba ya shafar yawan jama'a sosai, amma yawan guguwar da wannan halittar da mutane ke yi ya haifar da raguwar mahimmin bahalo a cikin yanayi. Yau baka a cikin littafin ja, a cikin duniya mutane kusan dubu 10 ne kawai. Tun 1935, an hana farautar su sosai.
Mene ne kifin kifin kifi yake ci?
Babban abinci na pola whale shine plankton, ƙananan crustaceans da krill. A wannan lokacin, abinci yana shiga cikin rami kuma tare da taimakon harshe yana motsawa zuwa cikin esophagus.
Saboda kyakkyawan tsarin whalebone, bayan tacewa, kusan dukkan katako, har ma da ƙananan ƙananan abubuwa, sun kasance a cikin bakin kifin. Dabba babba tana shan abinci har tan 2 na abinci kowace rana.
Sake haifuwa da tsawon rai na ƙirar ƙirar baka
Ofaya daga cikin siffofin wannan nau'in na dabbobi masu shayarwa shine kwaikwayon waƙar da ake samu ta hanyar miji. Yanayin sauti da haɗuwarsu ya juye zuwa kida na musamman wanda ke ƙarfafa mace ta saduwa.
Saurari muryar kifin whale
Baya ga abin rakiyar sauti, whale na iya yin tsalle daga cikin ruwa kuma, a daidai lokacin da ake ruwa, ya tafa karfi a saman tare da wutsiyarsa, wannan kuma yana jan hankalin mace. A watannin farko na 6, ana shayar da jariri, kuma koyaushe yana kusa da uwa.
Bayan lokaci, yana ɗaukar ƙirar mata kuma yana ciyar da kansa, amma yana ci gaba da kasancewa tare da mace har tsawon wasu shekaru 2. Sau da yawa akan sami daidaikun mutane waɗanda, bisa ga bincike, suna rayuwa fiye da shekaru 100.
Akwai ra'ayin cewa a cikin yanayi akwai wakilan jinsunan, wadanda shekarunsu suka fi shekaru 200, wannan lamari ba safai ake samun sa ba, amma duk da wannan, jinsin yana da'awar kasancewa masu daɗewa na girmamawa tsakanin dabbobi masu shayarwa.
Irin wannan rayuwar ta dogon lokaci ta tayar da sha'awa tsakanin masana kimiyya, a duk duniya. Whales na Polar suna da ƙwarewar kwayar halitta waɗanda ke haɗuwa da cikakken gyaran kwayar halitta da juriya da cutar kansa.
