Wadatacce
- asalin bear mai launin ruwan kasa
- Halayen Grizzly Bear
- grizzly bear mazaunin
- grizzly bear ciyar
- grizzly bear haifuwa
- grizzly bear hibernation
O Brown bear (Ursus arctos) Dabba ce yawanci kadaici, ana ganin su ne kawai a cikin ƙungiyoyi lokacin da suke 'yan kwikwiyo tare da mahaifiyarsu, waɗanda galibi suna zama da ita na' yan watanni ko ma shekaru. Suna kuma samar da tarawa kusa da wuraren abinci mai yalwa ko lokacin lokacin dabino. Duk da sunansu, ba duk beyar launin ruwan kasa ce wannan launi ba. Wasu mutane sun yi duhu sosai suna bayyana baƙar fata, wasu suna da launin ruwan zinari mai haske, wasu kuma na iya samun rigar launin toka.
A cikin wannan nau'in Kwararren Dabbobi, za mu yi magana game da wannan nau'in beyar da ke da Ƙungiyoyi 18 (wasu sun mutu). Za mu yi magana game da halayensa na zahiri, mazauninsa, abinci da sauran abubuwan sha'awa.
Source
- Amurka
- Asiya
- Turai
asalin bear mai launin ruwan kasa
Beyar launin ruwan kasa ɗan asalin ƙasa ne Eurasia da Arewacin Amurka, kasancewar su ma sun wanzu a Afirka, amma wannan nau'in ya riga ya ƙare. Kakansa, begon kogon, mutane na dā sun bautar da shi, kasancewa a allahntaka ga tsoffin al'adu.
Kasancewar beyar a Asiya da Arewacin Amurka tana da kamanceceniya sosai kuma yawancin jama'a ba su rarrabuwa, sabanin yawan jama'a a Yammacin Turai, inda yawancinsu suka ɓace, ana mai da su zuwa yankunan tsaunuka masu keɓe. A Spain, za mu iya samun grizzly bears a cikin Cantabrian da Pyrenees Mountains.
Halayen Grizzly Bear
Beyar launin ruwan kasa tana da halaye da yawa na mai cin nama, kamar tsayinsa mai tsawo, yatsun yatsa don tsagewa ta jiki da gajeriyar hanyar narkewa. Maƙogwaronku, a gefe guda, madaidaiciya ne, wanda aka ƙera don murƙushe kayan lambu. Maza za su iya kai nauyin kilo 115, mata kuma 90 kg.
Shin shuka, wato gaba ɗaya suna goyon bayan tafin ƙafa yayin tafiya. Hakanan zasu iya tsayawa akan ƙafafunsu na baya don ganin mafi kyau, isa ga abinci ko alamar bishiyoyi. Yana iya hawa da iyo. Dabbobi ne da suka daɗe, suna rayuwa tsakanin shekaru 25 zuwa 30 cikin 'yanci da ƙarin wasu shekaru lokacin da suke rayuwa cikin zaman talala.
grizzly bear mazaunin
Wuraren da aka fi so beyar launin ruwan kasa sune gandun daji, inda zaku iya samun abinci iri -iri, ganye, 'ya'yan itatuwa da sauran dabbobi. Beyar ta bambanta yadda take amfani da gandun daji gwargwadon kakar. Da rana, yana haƙa ƙasa don yi wa kansa gadaje marasa ƙarfi kuma a lokacin faɗuwa yana neman ƙarin wuraren duwatsu. A lokacin hunturu, yana amfani da kogon halitta ko tono su don yin bacci kuma ana kiran su gandun daji.
Dangane da yankin da suke zaune, suna da manyan yankuna ko ƙarami. Waɗannan yankuna sun fi faɗaɗa a cikin wuraren ɓoyayyiyar ƙasa, duka a Amurka da Turai. Bears suna rayuwa a cikin yankuna masu ɗimbin yawa saboda gandun daji sun fi yawa, suna da tushen abinci kuma suna buƙatar ƙarancin ƙasa.
grizzly bear ciyar
Duk da cewa yana da halaye na cin nama, beyar launin ruwan kasa tana da abinci iri -iri, wanda lokacin shekara ke tasiri sosai, inda kayan marmari suka fi yawa. A lokacin bazara abincinku ya dogara herbaceous da kuma gawar wasu dabbobin wasu lokuta. A lokacin bazara, lokacin da 'ya'yan itacen suka yi fure, suna ciyar da su, wani lokacin, kodayake yana da wuya, suna iya kaiwa hari shanun gida kuma su ci gaba da cin naman gawa, su ma suna neman mai daraja zuma da tururuwa.
Kafin bacci, lokacin faɗuwa, don ƙara yawan kitse, suna ci kwari na bishiyoyi daban -daban kamar beech da itacen oak. Lokaci ne mafi mahimmanci, yayin da abinci ke ƙarancin ƙarfi kuma nasarar tsira hunturu ya dogara da shi. bears suna buƙatar cin abinci tsakanin kilo 10 zuwa 16 na abinci a kowace rana. Don samun zurfi, muna ba da shawarar karanta labarin da ke bayanin abin da bears ke ci.
grizzly bear haifuwa
zafin beyar farawa a cikin bazara, suna da hawan keke guda biyu wanda zai iya wuce tsakanin kwana ɗaya zuwa goma. An haifi san cikin cikin kogon inda mahaifiyarsu ta shafe tsawon lokacin bacci a cikin watan Janairu, kuma sun shafe kusan shekara daya da rabi tare da ita, don haka mata za su iya samun jarirai duk bayan shekara biyu. Galibi ana haife su tsakanin tsakanin 1 da 3 kwiyakwiyi.
A lokacin zafi, maza da mata suna yin hulɗa da mutane daban -daban zuwa hana kashe -kashe na maza, waɗanda ba su da tabbacin ko zuriyarsu ce.
DA Ana jawo ovulationSaboda haka, yana faruwa ne kawai idan akwai kwaɗayi, wanda ke ƙara haɗarin samun juna biyu. Kwai baya dasawa nan da nan, amma yana ci gaba da shawagi a cikin mahaifa har zuwa kaka, lokacin da ya shiga ciki kuma da gaske yana fara ɗaukar ciki, wanda zai ɗauki watanni biyu.
grizzly bear hibernation
A cikin kaka, bears suna wuce lokacin hyperalimentation, inda suke cinye adadin kuzari fiye da yadda ake buƙata don rayuwa ta yau da kullun. Yana taimaka musu tara mai da kuma iya shawo kan bacci, lokacin da beyar ta daina cin abinci, sha, fitsari da bahaya. Bugu da ƙari, mata masu juna biyu za su buƙaci kuzari don haihuwa da ciyar da 'ya'yansu har zuwa bazara, lokacin da za su bar kogon beyar.
A wannan lokacin, bugun zuciya na raguwa daga bugun 40 a minti daya zuwa 10 kawai, saurin numfashi ya sauko da rabi kuma zazzabi ya ragu da kusan 4 ° C.