Rattlesnake

Daya daga cikin mafiya hatsari dabbobi masu rarrafe dauke rattlesnake. Ta wani wakilin wani iyali na rami viper. Wannan dabba zaune da farko a Kudu-East Asia, da Amurka da kuma Rasha.

Kamar yadda guga rattlesnake? The dabba ta kai ne triangular a cikin siffar, da almajirin da ido - a tsaye. A tsawon fara tasawa iya isa fiye da daya da rabi mita. A halayyar siffa daga cikin wakilan wannan nau'in - gaban biyu dogon m hakora, na wanda tsaye daga da kuma m guba. A kan shugaban dabbobi masu rarrafe, tsakanin idanu da kuma kafafen hancinsa, akwai biyu termoretseptornye rami, kyale su su gane zazzabi bambance-bambance a kan wanda aka azabtar. Wadannan m rabe iya amsawa ga ko da dan canje-canje a cikin iska zazzabi (0.1 digiri). Wannan yanayin ba da dabbobi wajen farautar nasarar ko da dare.

Sunan mai rattlesnake samu ta hanyar ƙaras, located a kan tip ta wutsiya. Yana da wani modified mobile ma'auni. A kan aiwatar da hawa da sauka, da suka yi karo da juna, emitting halayyar "rattling" sauti.

All iri macizai na iyali rami viper yafi ciyar a kan kananan vertabrate dabbobi masu shayarwa. Suna iya zama quite lokaci mai tsawo a cikin 'yan kwanto, jiran aka azabtar za a zaba a kusa yadda ya kamata, sa'an nan kuma ba zato ba tsammani kai farmaki ta. Domin wintering rattlesnakes zabi wuraren da za su iya jin dadi, soaking up juna, cikin dukan zamanin da rashin himma. A cikin kaka na dabbobi masu rarrafe kokarin kamar yadda sau da yawa yadda zai yiwu ja jiki daga cikin sunshine zuwa bask karkashin ta haskoki.

Kusan duk mambobi ne na iyalin rami viper viviparous. A 'yan mintuna bayan da qwai an dage farawa, da matasa da zũriyarta harsashi karya da aka haife. Adult macizai kullum gani da shi cewa babu daya zo kusa da gida da zurriyarsu. A matasa shekaru wutsiyoyi macizai da haske launi, contrasting tare da launi na jiki. A daidai wannan lokaci da matasa yi ƙaras-ƙaras a kan tip na wutsiya bace, ta bayyana yawa daga baya.

Kamar sauran scaly dabbobi masu rarrafe aji, rattlesnakes lokaci zuwa lokaci Molina. Bayan kowane canji na fata, da dabba yi ƙaras-ƙaras a kan wani ƙarin sabuwar jaraba kashi. Sun macizai Molina auku quite akai-akai - har zuwa sau shida a shekara. A manya - sau daya a wata shekara da rabi. Kafin farkon molting cornea ne ido na dabba hasarar da nuna gaskiya da kuma ya zama m. A wannan lokaci, da maciji ne ba iya gani. Ta ciyarwa kusan duk lokacin da a tsara, muddin mafarkinsa bai komo ba. Wayarwa a sarari taimaka macijin harshe, da kuma samun abinci - termolokator. Hakora masu rarrafe amfani ansu rubuce-rubucen da kuma kashe da ganima.

Lokacin da wani rattlesnake ta ji tsoron hadari, shi folds a cikin wani m spring, a shirye a kowane lokaci zuwa juya da tsananin ƙarfi. A wannan yanayin, da wutsiya rabo yayi kama da karkace zobe, da cibiyar da abin da yake a yi ƙaras-ƙaras-yi ƙaras-ƙaras, wanda wallafa madalla rustling. A gaban wani ɓangare daukan nau'i na high shafi.

Rattlesnakes ne yafi nocturnal. Bayan duk, a cikin duhu, mafi yawan su ya shafa yake aiki. Bugu da kari, da dare farauta damar da dabba don kauce wa zafin rana da kuma sunburns. A lokacin da rana dabbobi masu rarrafe boye a karkashin kankara ko a burrows hakori.

A mutum hadari ga mutum daukawa mai Maciji dafin dauke a cikin salivary gland na dabba da aka daukar kwayar cutar ta hanyar da cizo. Shi ne wani lokacin farin ciki daidaito m launi ruwa dauke da mai girma yawan hadaddun ilimin aiki jamiái. Da zarar a cikin jini, guba nan da nan rinjayar duk tasoshi da tukwane na jikin mutum ta Kwayoyin. Saboda haka, a lokacin da wani cizon maciji da matukar muhimmanci shi ne a yi wani mutum gwani kiwon lafiya.