Brown bears: alamu na ci gaba da ci gaban

A kasa-kasa bear da aka samu a boreal gandun daji, duwãtsu, kuma conifers jiha windbreak. The m habitats iya shirya yawa yawan jama'a. A tsakiyar hunturu, da mace ruwan kasa bear kwiyakwiyanta aka haife. Yadda ake da ci gaba da kuma girma? Abin da ya faru bayan da haske ya bayyana kadan ruwan kasa bear?

Shi ne ya kamata a lura cewa mahaifiyar bear yana da wani m biyu. A cikin ma'abota kakar, wanda za a fara a cikin marigayi spring, da rawar da mata iƙirarin da dama maza. A wannan lokacin, su ne sosai m, na nacewa gasa da juna, ta faɗa sau da yawa ƙare a cikin mutuwar daya daga cikin contenders. A lashe ne guda biyu tare da wata mace ba, amma da ƙungiyar dade kasa da wata daya. To, ku yi bar shi kadai, da kuma a cikin hunturu, yawanci a watan Janairu, an haife ruwan kasa bears. Mafi sau da yawa, biyu daga gare su, kuma su ne sosai kankanin. The nauyi na beyar wuya wuce 500 grams.

A cikin farkon watanni biyu na ruwan kasa bear kwiyakwiyanta ba bar kogon, sauran karkashin uwarsa ta gefe. A lokacin da wannan lokaci, da iyali daga cikin mafi m. Saboda ruwan kasa bears ba su kasance a kare rare jinsuna, tare da banda wasu, sa'an nan suka yi ta buɗe farauta kakar. Dajin tare da kwiyakwiyanta ne sau da yawa a kyawawa manufa domin dayansu. A yankunan da sanaki] imbin beyar, sosai a bayyane "kai sawu", wanda su ne waɗanda dabbobi.

Jariri ruwan kasa bear cub aka haife tare da m woolen alkyabbar, da Hooded idanu da kunnuwan. Bayan makonni 2 na kafa cikakken kunne ramukan da kuma ya buɗe idanu. A farko fitarwa na lair auku a watanni 3. A wannan lokaci, ruwan kasa kare bears isa wani talakawan size, kuma ku auna nauyi daga 3 zuwa 6 kg. Duk wannan lokaci suna ciyar na musamman tare da madara, amma tare da farkon lokacin zafi na akwai wani sabon abinci - kayan lambu. Koyi da uwar Sun fara gwada sabon kanka bi - Tushen, berries, kwayoyi, daji hatsi, tsutsotsi da kuma sauran kwari. A lokacin shekarar farko ta rayuwa zveryata su rabu da uwarsa. Sun ci gaba da rayuwa tare da ita, jawabin da wani hunturu tare.

Bayan kai da shekaru 3-4 shekaru, mutane suna dauke jima'i balagagge da kuma fara kai mai zaman kanta rayuwa. Amma da cikakken} uruciyarsa suka isa 8-10 shekaru. Balaga da launin ruwan kasa bear - a manyan dabbobin daji, yin la'akari har zuwa 300-400 kg. Duk da haka, da aka sani da daya type, da ake kira "Kodiak" kuma yana zaune a zuciyarku Alaska, a cikin abin da akwai maza yin la'akari har zuwa 750 kg.

Launi mafi yawa launin ruwan kasa, amma zai iya bambanta daga budu rawaya zuwa duhu, kusan baki. A Jawo ne sosai m, lokacin farin ciki da dogon. Haka kuma, mazaunan arewacin latitudes gashi ne fiye da na kudancin mazauna. A wutsiya ne takaice, boye a karkashin Jawo. Long baki fika isa 10 cm a tsawon.

Zama wani m adult dabba, ruwan kasa bear fara duba a raba ƙasa, maza na sirri yanki fi girma fiye da mãtã a cikin 7-10 sau. Duk da fearsome bayyanar, wadannan dabbobi ciyar a kan shuka abinci da kuma kwaro nagulivaya lokacin bazara na subcutaneous mai. Amma idan bear isasshen nauyi riba, zai iya tashi a tsakiyar hunturu da kuma je farauta. Suna da tsananin m, kai hare hare duk wanda zai sadu da su a kan hanya, da kuma gagarumar barazana ga mutane.