Birai suna da cikakkiyar kulawa da dabbobi masu shayarwa guda huɗu, waɗanda sun fi kusanci da asali da tsarin jikinsu ga mutane. A wata ma'ana mafi fadi, duk birai wakilan wakilai ne na tsarin birrai (Primates). Dangane da sabon tsarin harajin, an kasafta birai na gaskiya ga masu cutar da irin ta Biri, kuma ana hada su da tarsiers, suna nufin sub-bushewar busassun birai (Narlorhini). Dukkanin birai na kusa (ban da tarsiers) an sanya su zuwa ƙananan biranen Warfin Rigar-hanci (Strsirrhini).
Bayanin birai
Kwakwalwar birai tana da kyau sosai, saboda haka tana da abin da ake kira hadadden tsari.... Manyan birai suna tattare da kasancewar wasu sassan kwakwalwa masu matukar bunkasa, wadanda ke da alhakin ma'anar motsi. Gani a cikin mafi yawan birai abu ne mai mutuƙar gani, kuma fararen idanuwa, tare da ɗalibai, suna da launin baƙar fata. Tsarin hakori na biri ya yi kama da na hakoran mutum, amma birai masu kunkuntar hanci da fadi-hanci suna da wasu bambance-bambance - akwai hakora 32 da 36. Manyan birai suna da manyan hakora tare da hadadden tsarin tushe.
Bayyanar
Tsawon jikin manya birai na iya bambanta - daga santimita goma sha biyar a cikin jinsunan Pygmy marmoset har zuwa kamar wata mitoci a cikin gorillas na maza. Nauyin dabbar kuma kai tsaye ya dogara da halayen nau'in. Nauyin jikin mafi ƙanƙan wakilai ba zai iya wuce gram 120-150 ba, kuma kowane ɗayan, manyan gorilla galibi suna da nauyin 250-275.
Wani muhimmin bangare na jinsin biri, wanda ke tafiyar da rayuwa irin ta al'adun gargajiya, suna da dogon baya, gajere da gajere, da kuma kasusuwa na kashin baya.
Gibbons da orangutans suna dauke da kirji mai fadi da girma, kazalika da ingantattun abubuwa, manyan kasusuwa na pelvic. Wasu jinsunan birai ana rarrabe su ta wutsiya mai tsayi sosai, sun wuce tsayin jiki, sannan kuma suna yin aikin daidaitawa yayin motsawar dabba ta cikin bishiyoyi.
Birai da ke zaune a ƙasa suna da alamar gajeren wutsiya, amma nau'in anthropoid ba su da ɗaya ko kaɗan. Jikin birai, a cikin matakai mabanbanta na tsayi da girma, yana rufe gashi, launinsa wanda zai iya bambanta daga launin ruwan kasa mai haske da launuka ja zuwa baƙar fata da fari da launin zaitun masu launin toka. Wasu shekarun mutane suna yin furfura a cikin shekaru, har ma bayyanar da faci a fuska halaye ne na yawancin birai maza.
Yana da ban sha'awa! Launin fatar a cikin nau'ikan daban ya sha bamban, don haka akwai dabbobin da ke da fata mai launin nama, mai haske ja da shuɗi, baƙar fata har ma da launuka masu launuka iri-iri, kamar na mandrill.
An rarrabe dabbobi masu ɗauke da makamai guda huɗu ta hanyar wayar hannu da haɓakar hannu na sama, waɗanda aka basu yatsu biyar. Phalanx ya ƙare da ƙusa. Hakanan daya daga cikin siffofin birai daban shine kasancewar 'yan adawa na babban yatsa. Hanyar rayuwa kai tsaye ta dogara da ci gaban ƙafafu da hannayen dabba. Jinsunan da suke amfani da mafi yawan lokutansu kawai a cikin bishiyoyi suna da manyan yatsu, wanda ke taimaka musu cikin sauƙin tafiya daga wannan reshe zuwa wancan. Kuma, alal misali, ƙafafun biri suna da tsayi da aka faɗi har ma da wani alheri, wanda ya sa ya dace da motsawa a ƙasa.
Hali da salon rayuwa
Har yanzu ba a fahimci halayyar zamantakewar birai da kyau ba, duk da haka, sanannen cikakken bayani game da yanayi da hanyar rayuwar irin waɗannan birrai. Misali, tamarin da marmosets suna yin rayuwa irin ta arboreal, kuma farantin ƙusa, waɗanda suka juye zuwa ƙafafun ƙafafu masu ƙarfi, suna ba wa irin waɗannan birai damar hawa bishiyoyi cikin sauƙi. Duk birai masu ɗaure sarƙoƙi, lokacin da suke tattara 'ya'yan itace daga bishiyoyi, rassan suna da tabbaci tabbatacce ne tare da doguwar wutsiya mai ƙarfi.
Yana da ban sha'awa! Wakilan birai da yawa da ke jagorantar salon rayuwa ba sa sauka a saman duniya, tunda irin waɗannan dabbobin suna iya samun duk abin da suke buƙata don rayuwa a cikin rawanin itace.
Speciesananan birai suna wakiltar wasu ƙananan birai, waɗanda aka rarrabe su ta hanyar motsi mai ban mamaki, da makaƙu da dabbobin da ke zaune a Asiya da Afirka bincika da tattara abinci a ƙasa, amma suna kwana ne kawai a cikin rawanin itace. Abowararrun aboan farin dawa suna zaune a mafi buɗe wurare a cikin savannas da plateaus. Irin waɗannan dabbobin ba su da motsi sosai kuma suna cikin rukunin birai na ƙasar.
Hankalin birai
Manyan birai dabbobi ne masu matukar hankali, kamar yadda wasu sharuɗɗan kimiyya da gwaje-gwaje suka nuna. Mafi kyawun karatun har zuwa yau shine ƙwarewar chimpanzees, wanda asalin sa kusan kusan kashi casa'in daidai yake da alamun mutum. Wannan jinsin yana da kusanci da mutane ta yadda a wani lokaci masana kimiyya ma suka ba da shawarar a danganta irin wannan dabba ga jinsin Mutane.
Chimpanzees waɗanda ba sa iya magana saboda yanayin keɓaɓɓun kayan aikin murya na iya sadarwa da yaren alama, alamomi da alamomin aiki. A karkashin yanayin yanayi, jinsin dan adam sau da yawa kuma suna amfani da kayan aikin tattara ruwa da zuma, kamawa da tururuwa, dabbobin farauta da fasa kwayoyi. Ko da kuwa dangantakar da ke tsakanin garke ko garken, birai suna da halaye masu rikitarwa. Yawancin ji daɗi ba su da alaƙa da irin waɗannan dabbobi, haɗe da abota da soyayya, hassada da ƙiyayya, ƙiyayya da makirci, tsananin fushi, gami da juyayi da baƙin ciki.
Yana da ban sha'awa! Makka na kasar Japan sune birrai masu matukar ban sha'awa wadanda, saboda godiyarsu ta ban mamaki, sun sami hanyar da zasu kare kansu daga sanyi a mazauninsu kuma suyi nutso domin dumama su har zuwa wuyansu a cikin maɓuɓɓugan ruwan zafi.
Birai suna kokarin hadewa a garken dabbobi ko garken tumaki, saboda haka ana tilasta su ci gaba da sadarwa da juna. Godiya ga alamun ɓoye daga ƙanshin ƙanshin ƙanshi, dabbobi suna karɓar bayani game da jima'i da shekaru, da kuma yanayin zamantakewar wani mutum. Koyaya, mafi mahimmanci ga sadarwa sigina ne na gani, gami da girgiza kai, buɗe baki, buɗe hakora da kuma naushi a ƙasa. Misali, tsabtace juna daga ulu ba batun tsabtace jiki ba ne kawai, amma kuma yana aiki ne a matsayin wani nau'i na hade abubuwa wanda ke karfafa alakar mutane tsakanin kungiyar.
Birai nawa suke rayuwa
Birai galibi suna rayuwa kusan rabin karni a cikin daji, kuma sun fi tsayi kadan lokacin da aka tsare su cikin bauta. Matsakaicin tsaran rayuwar birrai ya bambanta ta jinsuna da mazauninsu. Tare da sauran membobin tsari na birrai, duk birai suna shiga matakan ci gaba kamar na mutane.
Yana da ban sha'awa! Babban adadin birai sun mutu kafin shekara hamsin, suna faɗawa cikin haɗari, hare-haren mahauta ko mutane.
Birinin da aka haifa gaba daya suna dogaro ne da iyayensu mata har zuwa shekaru biyar, kafin su shiga matakin samartaka. Matashiya a birrai yawanci yakan fara ne tun yana da shekara takwas, kuma 'yan birrai suna balaga tun suna shekara goma sha shida, lokacin da dabbar ta zama mai' yanci kuma ta manyanta.
Nau'in birai
Abubuwan da ke tattare da birai an wakilta su biyu masu amfani:
- Birai masu fadi-hanci (Plаtyrrhini);
- Birai masu ƙyallen hanci (Сatаrrhini).
A cikin rarrabuwa ta zamani, fiye da nau'ikan nau'ikan birai ɗari huɗu sun yi fice, kuma daga cikin abubuwan ban mamaki da ban sha'awa a halin yanzu da suka cancanta sun haɗa da:
- Black yaya (Аlоuаttа сaraya) daga dangin biri Spider, wanda ke zaune a Paraguay, Bolivia, Brazil da Argentina. Wakilan jinsunan suna yin sauti na musamman, suna da ƙarfi. Maza suna da baƙar fata, yayin da mata ke da launin rawaya-launin ruwan kasa ko zaitun. Tsawon babban bala'in namiji mai baki kusan 52-67 cm tare da nauyin jiki na kilogiram 6.7, kuma mace ta fi ƙanƙanta. Tushen abincin yana wakiltar 'ya'yan itace da ganyaye;
- Jana'iza capuchin (Cebus olivaceus) daga dangin da ke zaune a cikin gandun daji na Venezuela, Brazil da Suriname. Matsakaicin nauyin namiji shine 3.0 kilogiram, kuma mace tana da kusan ƙasa da kashi uku. Launi na gashi yana da launin ruwan kasa ko haske mai haske, tare da ruwan toka mai ruwan toka. Akwai halayyar triangle mai launin baki a cikin yankin shugaban. Irin wannan nau'ikan garken suna yin kisan yara ta hanyar kisan yara da gangan, kuma ana samun kariya daga masu zubar da jini ta hanyar shafa ulu da niƙa mai dafi. Jinsin mai kowa ne;
- Kambi, ko Blue biri (Itisеrсоритесus mitis) yana zaune a cikin yankunan daji da bishiyoyi na gora a nahiyar Afirka. Dabbar tana da launin toka-toka mai launin shuɗi da fari mai ɗamara a jikin rigar da ke bisa gira kuma tana kama da kambi. Matsakaicin tsaran jikin birai manya ya bambanta tsakanin 50-65 cm, tare da nauyin jiki na 4.0-6.0 kg. An bambanta maza ta hanyar ingantaccen farin fata da kuma dogon canines;
- Gibbon mai farin hannu (Нylobates lаr) daga dangin Gibbon, da ke zaune a yankunan da ke dazuzzuka na kasar Sin da Malay Archipelago. Manya, a matsayin mai mulkin, suna girma zuwa tsawon 55-63 cm tare da nauyin jiki a cikin kewayon 4.0-5.5 kg. Jiki yana da Jawo na baƙar fata, launin ruwan kasa ko launi, amma yanki na hannu da ƙafa koyaushe halayyar farare ne. Tushen abinci yana wakiltar 'ya'yan itace, ganye da kwari;
- Gabon gorilla (Gorilla berringei) shine mafi girman biri a duniya, wanda tsawon sa yakai kimanin 185-190 cm tare da matsakaicin nauyin jikin kilogiram 150-160. Babbar dabbar tana da babban kai da kafadu masu faɗi, buɗe kirji da doguwar ƙafa. Launi na sutturar galibi baƙar fata ce, amma raƙuman ruwa na gorillas na dutse suna da alamar launin shuɗi. A bayan balagaggen namiji, akwai tsiri na gashin azurfa. Abincin abincin yana wakiltar shuke-shuke da fungi, sau da yawa ƙananan masu juji;
- Kodadde, ko saki fari (Pithecia yaya) Biri ne mai fadi da hanci mai doguwar riga mara kyau. Girman dabba babba ya bambanta tsakanin 30-48 cm, wanda nauyinsa bai wuce kilogiram 1.9-2.0 ba. Baƙin bakar namiji ya bambanta sosai da launin ruwan hoda ko fari. Ana bambanta mace baliga da launin baƙar ruwan toka-toka ko launin toka-zuwa kasa mai launin toka kuma tana da fuska baƙaƙe. Abincin abincin yana wakiltar iri da fruitsa fruitsan itace waɗanda ke girma a Venezuela, Suriname da Brazil;
- Hamadryad, ko farin kyankyaso (Rario hamadryas) daga nau'ikan Birai masu karancin hanu da kuma nau'ikan Baboons, suna zaune a sararin Afirka da Asiya, gami da Habasha, Somaliya da Sudan, da Nubia da Yemen. Tsawon jikin babban namiji ya bambanta tsakanin 70-100 cm kuma nauyinsa ya kai kimanin 28-30. An bambanta namiji ta asali na asali na layin gashi tare da dogon gashi a kafaɗun da kuma a yankin kirji. Mata suna da launin gashi mafi duhu;
- Macaque na Japan (Masasa fussata) Jinsi ne da ke zaune galibi a arewacin Honshu, amma ƙananan mazauna sun zauna a cikin Texas ba da izinin aiki ba. Tsayin namiji baligi ya banbanta tsakanin 75-95 cm, mai nauyin kilogiram 12-14. Halin sifa iri-iri shine fata mai haske ja, musamman sananne a yankin bakin muzuru da kan gindi, waɗanda babu ulu da completelyan kwata-kwata. Gashi na macaque na Jafananci mai kauri ne, launin toka mai duhu tare da ɗan ƙaramin launin ruwan kasa;
- Chimpanzee gama gari (Tran trоglоdytes) Wani nau'in ne wanda ke rayuwa a cikin dazuzzuka na yankuna masu zafi da kuma cikin savannas mai zafi na yankin Afirka. Jikin dabba yana lulluɓe da laushi mai laushi mai kauri da launin ruwan kasa mai duhu. Kusa da bakin da kuma a cikin coccyx, gashin ya yi wani fari fari, kuma ƙafafu, da bakin fuska da tafin hannu ba su da fur. Cikakken chimpanzee yana da komai, amma babban ɓangaren abincin shine shuke-shuke ke wakilta.
Babban abin sha'awa shine marmosets (Cebuela pygmaea), waɗanda sune ƙananan birai a duniya kuma suna zaune cikin dazuzzuka a Kudancin Amurka.
Wurin zama, mazauni
Birai suna zaune a yankunan kusan dukkanin nahiyoyi, ciki har da Turai, kudu da kudu maso gabashin Asiya, Afirka, yankuna masu zafi da na kudu da Amurka ta tsakiya, da kuma Australia. Ba a samun birai a Antarctica.
- chimpanzees suna zaune a ƙasashen Afirka ta Tsakiya da Yammacin Afirka: Senegal da Guinea, Angola da Kongo, Chadi da Kamaru, da ma wasu;
- kewayon rarraba macaques yana da fadi sosai kuma ya faro daga Afghanistan zuwa kudu maso gabashin Asiya da Japan. A cikin yankuna na Arewacin Afirka da Gibraltar, manyan macaques suna rayuwa;
- Gidajen gorilla suna da wakiltar gandun daji na tsakiya a Afirka ta Tsakiya da Yammacin Afirka, kuma ana samun wani ɓangare na yawan mutanen a cikin Kamaru da Gambiya, Chadi da Mauritania, Guinea da Benin;
- orangutans suna rayuwa ne kawai a cikin yankunan gandun daji masu zafi a tsibirin Sumatra da Kalimantan;
- mazaunin biran birane da yawa sun sami wakilcin ƙasashen kudancin Mexico, Brazil, Bolivia da Argentina;
- wuraren da aka raba birin su ne Kudu maso Gabashin Asiya, yankin duk yankin Larabawa da Nahiyar Afirka, da kuma Gibraltar;
- kusan dukkanin jinsunan gibbon suna rayuwa ne kawai a yankin na Asiya, kuma wuraren da suke na daji suna wakiltar yankunan dajin Malaysia da Indiya, dazuzzuka masu zafi a Burma, Cambodia da Thailand, Vietnam da China;
- hamadryas (Baboons) sun bazu kusan a duk faɗin ƙasashen Afirka, su ne kaɗai daga dukkan abubuwan birrai waɗanda ke zaune a yankin arewa maso gabashin nahiyar, gami da Sudan da Misira, kuma ana samun su a yankin Larabawa;
- Yankin rarraba kayan masarufi yana wakiltar fadada wurare masu yawa na yankuna masu gandun daji masu zafi, tun daga Honduras, har zuwa yankunan Venezuela da kudancin Brazil;
- Dabbobin dawa sun yadu sosai a Gabas da Tsakiyar Afirka, ciki har da Kenya da Uganda, da Habasha da Sudan, da Congo da Angola;
- Birai na Saki sune mazaunan yankin Kudancin Amurka, kuma ana samun su sau da yawa a Colombia, Venezuela da Chile.
Tamarins sun fi son yankuna mafiya dumi na Amurka ta Tsakiya, Costa Rica da Kudancin Amurka, waɗanda ake samu a kusan dukkanin yankuna na ƙasar Amazon, kuma wasu nau'in suna zaune a Bolivia da Brazil.
Abincin biri
Birai yawancinsu dabbobi masu shayarwa ne masu dauke da makamai wadanda suka fi son cin 'ya'yan itace, ganye da furanni, da kuma tushen tsirrai daban-daban. Yawancin nau'ikan birai da yawa da aka sani suna da ƙarfin haɓaka abincin su na shuka tare da ƙananan ƙwayoyi da ƙwari don iri-iri. Wasu birai a tsarin juyin halitta sun saba da cin abinci na musamman.
Igrun suna saurin cin danko, wanda ke fita daga cikin itacen da ya lalace. Ire-iren wadannan birai suna cizon ramuka a cikin bawon itacen tare da taimakon kayan ciki, bayan haka kuma harshe yana lasar ruwan 'ya'yan itace na kayan lambu mai zaki. Saki mai goyon baya mai ja yana son ramuka masu fruita fruitan itace mai wuya kuma yana amfani da tsaka-tsakin tsaka-tsakin don cin su, wanda ke aiki kamar mai tsinkewar kwaya.
Birin biri da dakaru da yardan rai suna ciyar da ganyayen itace masu wahala da rashin wadataccen abinci. A cikin irin waɗannan birai, an raba ciki zuwa sassa da yawa ta ɓangarori na musamman, wanda ya ɗan yi kama da tsarin narkewar abinci na dabbobi.
Yana da ban sha'awa! Wani muhimmin bangare na jinsunan Tsohuwar Duniya yana da abin da ake kira kumbura kunci, a ciki wanda za'a iya sanya abinci mai yawa a sauƙaƙe.
Saboda wannan fasalin tsarin, hanyar wucewar abinci ta karu, kuma abinci yana motsawa na isasshen lokaci tare da tsarin narkewar abinci, wanda ke ba da damar ganyen ya zama cikakke kuma ya narke sosai. A cikin ciki ko sau uku na duk birai masu cin ganye, ƙwayoyin cuta da protozoa suna nan, waɗanda ke da alhakin raunin aikin cellulose.
Sake haifuwa da zuriya
Gabaɗaya, sanannen yanayin jima'i yana tattare da kusan dukkanin birai, waɗanda ke da wakiltar launuka masu haske da manyan maza. Koyaya, bayanin dimorphism na jima'i ya banbanta daga jinsuna zuwa jinsi. Mafi yawancin lokuta, mafi mahimmancin bambance-bambance tsakanin mata da maza suna tattare da jinsin mata fiye da daya tare da mamayar jagora mai ƙarfi. Irin wannan birrai sun hada da hanci da kwabo.
Pronounarancin bayyana dimorphism halayyar birai ne masu raɗaɗi ba tare da mazan maza da yawa ba, gorillas da macaques. Birai da suke rayuwa bibbiyu, inda mace da namiji suke daukar nauyin aiki daidai wajan kula da 'ya'yansu, suna da mafi karancin bambance-bambance. Wadannan nau'ikan sun hada da marmosets, marmosets da tamarins.
Yana da ban sha'awa! Bambanci sananne tsakanin birai da sauran nau'ikan halittun dabbobi masu shayarwa shine taimakon dukan garken cikin kiwon yara, kuma a cikin marmoset, wani muhimmin ɓangare na kula da zuriyar ya faɗo kan kafadun mahaifin dangin.
Birai na Howler da capuchins suna yin garken tumaki tare da tsarin tsari mai kyau, kuma lokacin haihuwar ba ya da yawa. Ciki yana ɗaukar kimanin kwanaki 145 a cikin marmosets kuma yana iya zama har zuwa kwanaki 175-177 a cikin baboons. Ga dukkan nau'ikan birai, haihuwar ɗa guda ɗaya halayya ce, kuma banda marmosets da tamarins ne ke wakiltar banda, wanda mata a koyaushe suke da tagwaye. Da farko, 'ya'yan sun riƙe rigar uwar kuma suna ciyarwa akan motsi.
Makiya na halitta
Birai da nau'ikan da yawa galibi ana kama su ana sayar dasu azaman dabbobin gida, kuma ana tura manyan samfuran samfuran bincike a cibiyoyin bincike da damuwar masana'antu.
Babban barazanar da birrai suke yi, tare da sauran dabbobin daji, ita ce lalata mahalli na asali. Misali, a kan yankin kasar Sin, adadin langurs ya ragu sosai, wanda hakan ya haifar da yawan sare dajin gandun daji. Wannan dalilin ne ya sa a cikin shekarar 1975 gwamnatin kasar Sin ta hana farautar langurs kuma ta samar da wasu wurare na musamman na musamman.
Mafi girman birai ba su da abokan gaba na musamman, amma yawanci yakan mutu daga ta'addancin wakilan garken makwabta. Matsakaici zuwa ƙananan birai na iya zama ganima ga kuliyoyi masu kazanta ciki har da damisa, jaguar, zaki da damisa. Wadannan firai da yawa macizai da yawa suna farautar su, gami da gumaka da boas, har ma da kadoji. A yankin Kudancin Amurka da kuma tsibirin tsibirin Philippine, birai na iya zama ganima ga gaggafa mai cin biri, kuma a wasu wuraren da ake samun kaguwa da kifi, gaggafa da aka yi wa kambi.
Mahimmanci! Birai suna iya kamuwa da cututtukan mutane da yawa, ciki har da ciwon makogwaro da mura, herpes da tarin fuka, hepatitis da kyanda, da cututtukan hauka masu saurin kisa.
Don haka, a yau yawancin birai suna fama da nau'ikan abokan gaba na halitta, da kuma mutanen da ke halakar da dabbobi masu ɗauke da dabbobi huɗu saboda cin nama mai daɗi da fur mai tsada. Manoma sukan harbi birai da ke lalata amfanin gona ko amfanin gona. Koyaya, babbar barazana ga yawancin nau'in birai a halin yanzu ana sanya su ta hanyar tarko don manufar kasuwancin dabbobin baƙi.
Yawan jama'a da matsayin jinsin
Dabbobi masu shayarwa masu zuwa daga Primates (Primates) suna cikin littafin Red Book na Duniya:
- Black furry saki (Chirorotes satanas);
- Gorilla (Gоrilla gоrilla);
- Orangutan (Роngо рygmаeus);
- Chimpanzee (Рan trоglоdytes);
- Lapunder Macaque (Masacus nemestrinus);
- Rhesus biri (Masacus muatta);
- Macaque Silenus (Masacus silenus);
- Macaque na Javanese (Masacus fascicularis);
- Macaque na kasar Japan (Masacus fusсata);
- Alena biri (Allenortihecus nigroviridis);
- Diana biri (Сerсorithecus diana);
- Nosach (Nasalis lаrvаtus);
- Gabobin Guinea (Rario rario);
- Baboon Black Sulawessky (Сynorithesus niger).
Hakanan, wasu Gibbons (Нylobatydae) suna da matsayin kariya, gami da farin hanun hannu (Нylobates lar), gibbon ɗin azurfa (Hylobates molosh) da kuma gibbon mai hannu ƙwai (Hylobates agilis), wasu Tarsiers da Igrunciformes (Callidae).
Birai da mutum
Bayyanar da mutane ga birai ba'a iyakance shi ga saurin yaduwar cututtuka ba. Tun zamanin da, mutane suna aiki tuƙuru a cikin farauta irin waɗannan dabbobi masu shaƙu huɗu. 'Yan ƙasar suna cin nama, kuma ta hanyar wasu mutanen da suka ci gaba, waɗannan dabbobin kawai aka lalata su azaman kwari na noma da gonaki, suna yakar gonakin da aka shuka. Kyakkyawan Jawo da faratan gorillas, waɗanda daga cikinsu aka yi abubuwan tunawa, waɗanda farin masu mulkin mallaka suke da daraja sosai.
A tsakanin 'yan Hindu, ana daukar birai a matsayin dabbobi masu tsarki, kuma a Thailand, ana amfani da makaz din da aka horar da wutsiran alade, ko kuma cinda (Masasa nemestrinus) a cikin tarin kwakwa. Tabbas, tare da yanayin zamani na dabbobi masu ban sha'awa, yawancin jinsunan birai sun zama dabbobi kyawawa da tsada.... Babban neman birai na gida ya fara cika da dubban mafarauta a duniya. Irin waɗannan mutane a cikin yanayi suna kama adadin birai kawai da nufin sake siyarwa. A sakamakon haka, yawancin jinsin birai na gab da karewa, don haka a halin yanzu an hada su a cikin IWC.
