Dabbobi masu rarrafe

Wadatacce

• Me ke faruwa da jikin dabbar?
• Misalan baccin dabbobi
• Ire -iren dabbobin da ke yin bacci

Therashin barci Shi ne tsarin da wasu dabbobin ke rage kashe kuzarin kuzarin su a cikin shekara, saboda suna cikin matsanancin sanyi na wasu watanni. Misali: bear, jemage, kadangare.

Tsarin bacci yana bayyana godiya ga iyawar wasu dabbobin don daidaita yanayin. Muguwar yanayin zafin jiki na haifar da ƙarancin abinci (ana iya rufe filayen da kankara da dusar ƙanƙara), har ma yana iya mutuwa. Ikon yin hibernate ya taso saboda martani ga waɗannan matsanancin matsalolin sanyi.

Me ke faruwa da jikin dabbar?

Dabbobi suna shirya jikinsu don tsarin bacci, da makonni da yawa kafin fara shirin samuwar ajiyar mai hakan zai ba da damar juriya a wannan lokacin. Bugu da ƙari, a wancan lokacin da suka gabata dabbobin suna shirya mafaka a hankali inda za su yi waɗancan watanni.

Sannan, lokacin da yanayin zafin yanayi ya faɗi zuwa ƙasa fiye da ƙasa, dormancy yana faruwa inda dabbar za ta iya bayyana ko ta mutu. Wani lokaci dabbobin suna ɗaukar wani siffa don mafi kyawun kare kansu daga sanyi, kamar na ƙwallo.

Jiki, hibernation ya ƙunshi samun yanayin bacci ko bacin rai, wanda a matsayin babban sakamako a cikin jiki raguwar bugun zuciya, ana iya rage bugun zuciya har zuwa 80%, a cikin 50% ƙimar numfashi kuma a cikin digiri huɗu ko biyar. Dabbar ta daina yin wasu ayyuka waɗanda a matakin da suka saba da mahimmanci, kamar cin abinci, sha, bayan gida ko fitsari.

A lokacin hibernation, dukkan nau'ikan suna da motsa jiki na farka tare da motsi inda zafin jiki ke ƙaruwa, yana buƙatar kashe kuzarin kuzari na musamman don lokacin bacci, wanda shine lokutan da ake kashe ƙarin kuzari.

Lokacin bazara ya zo, waɗannan dabbobin suna komawa yanayin zafin jikinsu na al'ada kuma su koma rayuwarsu ta al'ada, gabaɗaya tare da asarar nauyi mai ƙarfi. Gabaɗaya wannan lokacin ya zo daidai da farkon lokacin yin jima'i.

Misalan baccin dabbobi

Ire -iren dabbobin da ke yin bacci

Ba duk dabbobi ke yin bacci ba, amma waɗanda suka saba da rayuwa a cikin yanayin yanayi, daidai lokacin da lokacin sanyi ke haifar da rashin daidaituwa mai ƙarfi.

Yawancin lokaci ana rarrabewa tsakanin hibernation na:

• Dabbobi masu jinin jini (galibi ƙananan dabbobi kamar kwari, katantanwa, caterpillars ko ma kifi, waɗanda ke da fifikon ɗaukar nau'ikan musamman waɗanda ke ba su damar isa yanayin zafi mafi girma);
• Dabbobi masu ɗumi-ɗumi (wanda ya fi yin sulhu da yanayin yanayin zafin jiki, daga cikinsu akwai masu shayarwa masu bacci, dabbobin ƙwari da wasu ƙanƙara).

• Hakanan: Dabbobin jini masu zafi da sanyi

Yana iya ba ku:

• Misalan Dabbobi masu rarrafe
• Misalan Hijira Dabbobi
• Misalan dabbobin gida