Samuwar, Kimiyya
Grizzly bear - a ferocious cin ganyayyaki
Grizzly Bear ne a North American subspecies na da launin ruwan kasa bear, duk da haka, ya bambanta daga shi a cikin wani yawan sigogi. Na farko, da American ne yafi karfi, amma a lokaci guda kuma mafi m fiye da Turai bear. Ya gashi dan kadan duhu, ya fi tsayi, kuma tari Fluffy. A wutsiya ne guntu, amma da wani fika! Har zuwa 13 santimita dogon kuma mai lankwasa, kamar wani Gabas wuƙa! Medvedev kansa ya burge tare da size: idan ta fito a kan ta Hind kafafu, shi zai isa mita uku a tsawo. Don kwatanta: wani ruwan kasa mazauni na Turai gandun daji ya kawai girma mita 2 (mafi girma misali - 2.2 m). Grizzly Tã kan rabin ton.
American Potapych kawaici a cikin gandun daji da kuma dutsen kwaruruka na Alaska, British Columbia da kuma a Canada. Daga Turai bears grizzly bear yana da wani karin short kunnuwa, lebur da kuma fadi da kwanyar, convex hanci kasusuwa. Shi ne ma mafi m, kwancen kafa, da rolls kan da rocking. Just zama wani cub, grizzly for fun hau itatuwa. Girma, ya bar wani irin motsa jiki. Amma ya ba ji tsoron ruwa da kuma sauƙi iyon m Rapids Alaskan kogin. Kamar dukan bearish, ya fāɗa cikin rashin himma.
Wannan irin manyan dabbobi ya dade shahara a matsayin wani m, kuma m carnivore. Ko ta Latin sunan, Ursus horribilis, fassara a matsayin "kai mai tsanani." Duk da haka, a mafi cikakken nazari bayyana cewa grizzly - yawanci cin ganyayyaki. Yana ciyarwa a kan kifi, har ma da dasa abinci - hatsi, berries da zuma. Wani lokaci, duk da haka, a yankunan da sparse ciyayi, da kuma akwai masu cin nama, an kai hare hare manyan dabbobi. Amma da yawan dabbobi masu cin nama su cin ganyayyaki - 1 to 99.
Cikin dukanin ta tarihi, da wuya dangantaka da mutum grizzly bear ya kan gab da karewa, amma sa'a, a lokacin da matakan sun taimaka wajen ci gaba da wannan nau'in nan gaba. A baya, wadannan dabbobi suna gilla yanka, kuma ko da la'akari da wani sakamako ga shugaban kowane matattu dabba. Su sa karnuka, shirya tarkon warwatse guba koto. A sakamakon haka, da grizzly ya zama karami, suka zama mafi m da kuma fĩfĩta ka ci gaba a cikin wani wuri kowa. Yanzu suna a cikin International Red Littãfi. Matakan ga kariya na yawan haifa 'ya'yan: a shekarar 2000, da Dutsen McKinley reserves, Yellowstone da gleiser Park zauna kawai 250 mutane, cewa tuni a shekarar 2005 akwai 600.
A arewa iya zama your grizzly iri. Kai wannan, kamar yadda shi dai itace, za su iya Dede tare da iyakacin duniya fari, da kuma a cikin wannan yanayin akwai wani matasan da cewa daukan kan gastronomic dandani fari takwarorinsu. Me ya sa yake al'ada ga North American giant - mafi yawan cin ganyayyaki da kuma kifi masu cin su yi tsayayyen irin wannan mummunan suna? Da haɗari, kuma ferocious dabba ... shi ya aikata mummunan gannai. Yawanci, dabba zachuyav mutum zai yi kokarin kauce wa shi. Yana yiwuwa kuma dame sawu baya, sa hanyoyin da gefen zuwa buga saukar da wani yiwu korarsu. Tsayar ba zato ba tsammani fuska da fuska, da dabba ne firgita. Duk da haka, ganin ta share magabaci a cikin size, cike take da rushes harin. Attacking mafi yawa suka ji rauni dabbobi ko wadanda suka kula da su matasa. Saboda haka, a shekarar 1987 a Canada, kashe wata dabbar biyu mata da suka sami wani jariri da kuma yanke shawarar yi wasa tare da shi.
Shekaru da dama da hankali kariya daga nau'in da ya kai ga cewa grizzly sake fara kai farmaki mutane. Yanzu, duk da haka, wadanda su ne ba dayansu, da kuma yawon bude ido da suka ciyar da dabbobi, duk da ban. Big Bear saba gane da mutum a matsayin tushen handouts, wasu sabis wanda ya zo da abinci, kuma ya kasance da kaina zo da tantuna da kuma zuwa hanyoyi. Jin tsoron mutum kare ta musamman dokar ya dade da aka rasa, da kuma audacity to score isa ya bukaci ƙonawa. Idan akwai wani bi, kuma shi ba ya da dandana, ko shi da aka bai isa ba, da grizzly iya fada a cikin wani fushi da kai hari.
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