Babban bera: hoton manyan wakilai
Halin bera yana daya daga cikin mafi yawa a tsakanin rodents kuma yana da aƙalla nau'ikan nau'ikan 64. Wakilan wannan nau'in sun fi sau da yawa ƙananan, amma kuma akwai nau'o'in nau'o'in nau'i masu yawa. Dangane da haka, tambaya ta taso: wane bera ne ya fi girma?
Abubuwa
Wadanne nau'ikan beraye ne ake daukar su mafi girma?
Beraye na cikin dangin linzamin kwamfuta ne, amma sun fi mici girma sosai. Nauyin mafi yawan rodents na wannan nau'in yana da gram 100-300, kuma tsawon jikin bai wuce 15 cm ba, amma akwai samfurori waɗanda tsayinsu zai iya kaiwa fiye da 90-100 cm, ciki har da wutsiya. An san manyan nau'in berayen a duniya:
- bakar bera. Tsawon jikinsu yana da kusan 20-22 cm, kuma tsayin wutsiya yana da kusan 28 cm.
- Turkestan bera. Jiki da wutsiya na rodent suna kusan tsayi iri ɗaya - kuma a cikin duka suna iya kaiwa 50 cm
- Musk kangaroo ko Zepponog. Jiki na iya kaiwa 35 cm tsayi. Wutsiya ya fi guntu - kawai 12 cm.
- Grey babba ko Pasyuk. Tsawon jiki, ciki har da wutsiya, yana da kusan 60 cm, tare da wutsiya kusan rabin tsawon jiki.
- Potoroo. Jikin rogon ya kai tsayin kusan cm 41, kuma wutsiyansa ya kai cm 32.
- Bamboo. Tsawon jikin dabba ya kai 48 cm, kuma wutsiya tana da tsayin 15 cm kawai.
- Reed. Tsawon jikinsu yana da kusan 60 cm, kuma tsawon wutsiya yana da kusan 26 cm.
- Kangaroo Jimlar tsawon jikin rodent da wutsiya yana da kusan cm 95. Wutsiya ta kusan 10-15 cm gajarta fiye da jiki.
- Papuan Tsawon jikin mafi girman samfurin da aka samo shine 130 cm, ciki har da wutsiya. Bugu da ƙari, wutsiya ya fi guntu sau uku fiye da jiki.
Wane nau'in bera ne ya fi girma duka?
Babban wakilin wannan iyali shine Bosavi woolly bera ko Papuan bera. An fara gano dabbobin wannan nau'in a cikin 2009 a Papua New Guinea.
Mafi Girma: Bosavi.
Rodents sun kai 80-100 cm tsayi kuma suna da nauyin jiki kusan 1,5 kg. A cewar wasu rahotanni, samfuran mutum na wannan nau'in na iya kaiwa nauyin kilo 15 kuma suna da tsawon zuwa berayen gindi, amma suna kama da Kattai a kan asalinsu.
Dabbobin ba sa nuna wani zalunci ga mutane kwata-kwata kuma cikin natsuwa suna ba da damar a dauka ko a shafa su. Masana kimiyya sun ba da hujjar wannan halin kwanciyar hankali na berayen da gaskiyar cewa an yanke mazauninsu gaba ɗaya daga wayewa.
An gano Bosavi ne kawai a cikin wani dutse mai aman wuta a Papua New Guinea.
Mafi girman nau'in berayen kayan ado
Berayen kayan ado galibi suna kanana a cikin girmansu, amma a cikinsu akwai nau'ikan nau'ikan nau'ikan nau'ikan iri. Manyan nau'ikan berayen ado sune:
- Brown bera. Dabbobin wannan nau'in na iya yin nauyi kusan gram 400-600, kuma tsayin jikinsu yawanci shine 16-20 cm;
- Daidaitacce. Nauyin jikin wannan rodent zai iya kai gram 500. Tsawon jiki da wutsiya shine yawanci 50 cm;
- Bera launin toka na ado. Nauyin irin waɗannan dabbobi kuma ya kai gram 500, kuma tsawon jikin zai iya zama kusan 60 cm, gami da wutsiya;
- Baƙar bera kayan ado. Nauyin wannan bera shine kimanin gram 400-500. Tsawon jiki yana da kusan 22 cm, kuma wutsiya shine 28 cm;
- Dumbo. Nauyin babban bera ya kai gram 400. Tsawon jiki ban da wutsiya yana da kusan 20 cm.
Daidai zaɓaɓɓen nau'ikan kayan ado - i. Amma kuma suna buƙatar kulawa mai kyau da ilimi.
Rayuwar berayen kayan ado shine shekaru 2-3 kuma ya dogara da yanayin tsarewa.
Abubuwa masu ban sha'awa game da manyan nau'in berayen
Game da 1000 shekaru da suka wuce, Gabashin Timor yana zaune da manyan berayen, wanda girmansa ya kai kusan sau 10 girman wakilan wannan nau'in. Masana ilimin kimiya na kayan tarihi ne suka gano ragowar wadannan manyan rodents kwanan nan. Masana kimiyya sun yi iƙirarin cewa nauyin jikinsu zai iya zama kusan kilogiram 5 kuma waɗannan su ne wakilai mafi girma na dangin linzamin kwamfuta da suka wanzu a duniya.
Kangaroo flail ko miski dabba ce mai ban sha'awa. Siffar sa giciye ce tsakanin bera da kangaroo. Dabbobin suna fitar da ƙamshi mai ɗanɗano, kuma matan wannan nau'in suna ɗaukar 'ya'yansu a cikin jaka, kamar kangaroos.
Beran kangaroo ya sami sunan sa saboda wani dalili. Jikin rowan yayi kama da tsarin jikin kangaroo. Dabbar tana da kyawawan ƙafafu na baya kuma tana motsawa ta tsalle.
https://youtu.be/tRsWUNxUYww
ƙarshe
Wakilan jinsin bera galibi suna haifar da kyama a cikin mutane, kuma a ambaton manyan berayen da suka kai tsayin 100 cm, wasu suna firgita kawai. Koyaya, galibi mafi yawan nau'ikan dangin linzamin kwamfuta sun zama ba su da ban tsoro kamar yadda ake gani. Waɗannan dabbobin suna da ƙarancin hulɗa da mutane kuma a zahiri ba sa nuna zalunci a kansu, wasu nau'ikan ma suna kawo fa'ida ga mutane.
A baya