Ingabe izinja zibona ebumnyameni futhi kahle kangakanani

Phakathi nokuhamba kusihlwa, abanikazi abaningi bacabanga ukuthi kukhululekile kangakanani ngezilwane zabo ezifuywayo ukuhamba kusihlwa. Ingabe izinja ziyakwazi ukubona ebumnyameni ebusuku?

Futhi akulona nje ilukuluku - noma yimuphi umnikazi ufuna umngane wakhe onemilenze emine aphephe futhi akhululeke phakathi nohambo lwasebusuku. Impendulo yombuzo wokuthi umbono wezinja usebenza kanjani kuzosiza ukuqonda ukuthi inja izizwa kanjani lapho ihamba kusihlwa.

Izinja ziyabona ebumnyameni?

Inja ibona ebumnyameni. Kuphephe ngokuphelele ukuthatha isilwane sakho uhambe kusihlwa noma ukusivumela sizule endlini singagadiwe muntu ebusuku. Kwezinye izimo, izinja zinamehlo angcono kunabantu. Kodwa-ke, abangani abanemilenze emine bane-myopic kakhulu kunozakwabo abangabantu, futhi bahlukanisa izithunzi ezimbalwa zombala lapho becubungula izinto ezibonakalayo.

Isakhiwo esikhethekile seso sivumela inja ukuthi ibone ebumnyameni - abafundi abakhulu bavumela ukukhanya okwengeziwe. Ngenxa yezinduku ezengeziwe emehlweni abo, bayakwazi ukuhlukanisa phakathi kokukhanya nesithunzi. Ngaphezu kwalokho, ngemuva kweso, izilwane ezifuywayo zinolwelwesi olubizwa ngokuthi i-Tapetum lucidum, futhi “luvumela ukukhanya okungamuncwe yizinti ukuba kuvele kuyi-retina, ethola ukukhanya okwengeziwe nenja ibone kangcono.”

Izinja zibona kahle ebumnyameni futhi kungathiwa zinombono wasebusuku. Umngane onemilenze emine uzoba mkhulu ekuhambeni ebumnyameni uma umthatha uyohamba naye kusihlwa noma uma enquma ukuyolala kwelinye igumbi phakathi nobusuku. Kwazi bani, mhlawumbe kumnyama bhuqe inja izobona izipoki!

Umbono wenja ebumnyameni: ilungele wonke umuntu

Ngeshwa, ezinye izinja zizalwa zinezinkinga ezithile zokubona. Ngaphezu kwalokho, izinkinga ezinjalo zingase zivele kamuva ekuphileni.

Nakuba izinja ngokuvamile zinamehlo amahle kakhulu, ezinye izinhlobo, njengama-greyhound nama-whipets, zingase zingaboni kahle njengezinye. Ikakhulukazi, ngenxa yesakhiwo se-muzzle kanye nesimo samehlo, umbono wabo ungase uhluke kancane. Ngokufanayo, ezinye izinja zingase zibe nezinkinga zokubona ngenxa yokugula, ukulimala, ukuguga, noma ifuzo.

Ngokusho kukaMemphis Veterinary Specialists and Emergency, "... inqubo yenja yokuguga yemvelo kwezinye izimo ingase iholele ekulahlekelweni kombono kusukela ezinkingeni ezincane kuya ekungaboni ngokuphelele." Bayanezela: “Kubalulekile ukuba abanikazi bezilwane ezifuywayo baqonde ukuthi ngezinye izikhathi ubumpumputhe akuyona inkinga eyinhloko, kodwa kunalokho kuwuphawu lwesifo esicashile, njengesifo senhliziyo, isifo sezinso noma sesibindi, noma isifo sesistimu.”

Ingabe izinja ziyakwazi ukubona imibala?

Kwaphela isikhathi eside kunenkolelo yokuthi izinja zibona ngombala omnyama nomhlophe. Nokho, ngesinye isikhathi, ososayensi bathola ukuthi izinja ziyakwazi ukuhlukanisa imibala. Abakwazi ukubona imibala ebomvu neluhlaza ngenxa yokucubungula i-spectrum yombala, kodwa lokhu akuthinti kakhulu ikhono labo lokubona ebumnyameni. Akunakwenzeka ukuthi noma ubani okwazi ukuhlukanisa imibala kahle ebumnyameni.

Izinja zibona ebumnyameni njengamakati. Awu, empeleni. Kodwa uma umnikazi ekhathazekile ngokuwohloka kombono wesilwane esifuywayo, kungcono uvakashele udokotela wezilwane ukuze ahlole impilo yenja jikelele.