Kaka lokacin kaka ne daga lokacin zafi zuwa lokacin sanyi. A wannan lokacin, canje-canje masu mahimmanci suna faruwa a cikin yanayi: yanayin zafin jiki yana raguwa kuma ana rage lokutan hasken rana, ganye ya faɗi kuma ciyawar ta zama rawaya, tsuntsayen ƙaura da jemagu suna ƙaura, kwari da dabbobi suna shirin hunturu. Waɗannan nau'ikan fauna waɗanda suka kasance cikin ɗakunan yanayi na hunturu suna nuna halaye daban:
- kifi yayi zurfi cikin ramin hunturu;
- sababbi suna rarrafe daga cikin ruwa zuwa ƙasa, suna taɓewa a ƙarƙashin ganye, a cikin ƙasa ko cikin kabura;
- toads da kwadi suna yin wuraren kansu a cikin layin siliki;
- kwari suna lalube a cikin rami na bishiyoyi, suna ɓoye a ƙarƙashin bawon;
- wasu nau'in malam buɗe ido suna tashi zuwa yankuna masu dumi.
Babban abin sha'awa shine yadda dabbobi ke shirya lokacin hunturu.
Ernaura da canjin launi
Dangane da jinsin, dabbobi daban-daban suna shirya don hunturu ta hanyarsu. Wasu daga cikinsu hibernate:
- Da Biya;
- bushiya;
- badgers;
- dormouse;
- marmotsi;
- raccoons;
- jemagu;
- chipmunks, da dai sauransu
Yawancin dabbobi suna canza launi don hunturu. Don haka kuskure, tundra partridges, reindeer, hares da arctic foxes sun zama fari a lokacin sanyi, sabili da haka suna haɗuwa tare da shimfidar wuri, wanda ke basu damar ɓoyewa daga masu farauta. Wasu lokuta yakan faru cewa jinsin da ke da alaƙa da juna ba sa canza launi a cikin hanya ɗaya. Hakanan ya dogara da yanayin latti. Su da wakilai iri ɗaya na iya canza launi ta hanyoyi daban-daban, idan canje-canje na yanayi da yanayin rayuwar wani yanki suna buƙatar hakan.
Kayan abinci na abinci don hunturu
Yawancin jinsunan dabbobi suna adana abinci don lokacin sanyi. Beraye da hamsters, voles da sauran berayen da ke girbin amfanin gona. Squirrels suna tattara namomin kaza, acorns da nuts. Chipmunks yana adana kwaya Pine da tsaba don hunturu. Rodents kamar ciyawa suna adana ciyawa a lokacin hunturu, wanda ake tara ganyaye iri-iri a ciki kuma a tsabtace su da kyau.
Dabbobin dabbobi ma suna ba da abinci don lokacin sanyi. Ermines da weasels suna tara beraye dozin guda 2-3 a cikin burodi. Baƙin baƙin fata yana adana kwadi da yawa. Don abinci, minks suna shirya kansu kilo da yawa na kifaye daban-daban. Bears, wolverines da martens suna ɓoye abincinsu a cikin rassan bishiyoyi, duwatsu da ramuka, ya dogara da wuraren hunturu.
Duk wakilai na duniyar dabbobi suna shirya don farkon sanyi a cikin kaka. Wasu suna tara kitse kuma suna faɗuwa cikin dogon bacci, wasu kuma suna adana abinci a cikin rami, wasu kuma suna canza yanayin sanyi zuwa mai dumi da dacewa. Kowane nau'in nau'in fauna yana da nasa abubuwan da zai dace da su wanda zai ba su damar dacewa da mummunan yanayi kuma su rayu.
