Bayanin jiki na humpback whale
Humpback whale Wani nau'i ne na cetacean mysticete na dangin balenidae. Wadannan kattai na ruwa suna da girman girmansu, suna kai tsayin mita 12 zuwa 16 kuma suna auna tsakanin ton 25 zuwa 30. Jikinsa mai ƙarfi, mai launin duhu ya fito fili don shaharar kuncinta na baya da kuma dogayen ƙoƙon pectoral, waɗanda za su iya auna har zuwa kashi uku na tsayinsa.
Humpback Whales ana iya gane su cikin sauƙi ta hanyar ƙwanƙolin ƙoƙon ƙoƙon ƙwayayensu da kuma siffa ta musamman na kawunansu, an rufe su da ƙananan kusoshi da aka sani da tubercles. Wadannan tubers sun ƙunshi ɓangarorin gashi, kuma an yi imanin cewa suna iya samun ayyuka na hankali.
Mazauni da Hijira
da humpback whales Halittu ne na duniya, kamar yadda ake samun su a duk tekunan duniya. Suna ciyar da mafi yawan lokutansu a cikin ruwan polar da ruwan zafi, inda suke ƙaura a lokacin bazara don ciyarwa. A cikin hunturu, suna motsawa zuwa wurare masu zafi da ruwa masu zafi don haifuwa kuma su haifi 'ya'yansu.
Wadannan ƙaura na daga cikin mafi dadewa a cikin dabbobi, wanda ya kai kilomita 25.000. A lokacin wadannan tafiye-tafiye, whales ba sa cin abinci, suna rayuwa daga kitsen da suka tara a lokacin ciyarwarsu.
Ciyarwar Humpback Whale
da humpback whales Sune masu tacewa. Wannan yana nufin suna ciyar da ƙananan halittun ruwa, kamar krill da ƙananan kifi, suna tace su daga ruwa tare da balin su. Don ciyarwa, whale ya buɗe bakinsa kuma ya ɗauki ruwa mai yawa. Daga nan sai ta rufe bakinta ta fitar da ruwa ta cikin balin ta, wanda ke kama ganima.
Wadannan cetaceans suna amfani da dabarun ciyarwa masu ban mamaki, gami da kafa "tarun kumfa" don kama ganima. Wani lokaci, da yawa na whales na humpback suna aiki tare don haɗa babban makarantar kifi ko krill a cikin gidan kumfa, sannan su tashi sama tare, suna cinye ganima.
- Hali da haifuwa
Waƙar Humpback Whale
Daya daga cikin mafi sanannun halaye na humpback whales Wakarsa ce. Maza na nau'in nau'in suna samar da jerin kyawawan sauti masu rikitarwa waɗanda zasu iya wucewa daga 'yan mintoci kaɗan zuwa fiye da sa'a guda. Waɗannan “waƙoƙin” tsarin sauti ne da aka tsara sosai, tare da tsararriyar jeri na ƙara, nishi da sauran sautuna.
Abin sha'awa, waƙoƙin whale suna canzawa akan lokaci. Kowace shekara, ana ƙara sassan waƙar, gyara ko cirewa. Duk da cewa ba a fahimci manufar wadannan wakoki ba, ana kyautata zaton za su iya taka rawa wajen sha'awar mace da kuma gasar maza da maza.
Humpback Whale Conservation
Abin takaici, da humpback whales An yi farautarsu har zuwa bacewa a cikin ƙarni na 1986. Ko da yake an hana yin kifin kifi a duniya a shekara ta XNUMX, kuma yawan whale na humpback sun nuna alamun farfadowa, har yanzu akwai manyan barazana ga rayuwarsu.
Canjin yanayi, gurɓacewar teku, da kuma cuɗe-kaɗe a cikin kayan kamun kifi, wasu ne daga cikin barazanar whales na humpback. Har ila yau, ayyukan ɗan adam na iya tsoma baki tare da ƙaura da tsarin ciyarwa, wanda zai iya haifar da mummunar tasiri ga rayuwar nau'in.
A ƙarshe, akwai buƙatar gaggawa don kare waɗannan halittu masu ban sha'awa da kuma adana wuraren su don tabbatar da rayuwarsu na dogon lokaci. Tun daga waƙarsu mai ban sha'awa zuwa tsalle-tsalle masu ban sha'awa, ƙwanƙwasa kifin kifi suna ɗaya daga cikin abubuwan ban mamaki na duniyarmu.