Kev Tsiv Nyuj Tsiv Hauv Lub Ntiaj Teb
Tshajplaws zoo rau cov neeg Armadillos thiab cov kws qhia ntawv, cov txiv neej nyob hauv South America nyob rau lub sijhawm Eos, "kev kaj ntug ntawm lub neej tsis ntev los no," thaum South America tau los ua "lub tsev zoo li cov tsiaj nyhuv, cov neeg tsis muaj zog, (Phorusrachids). " Muaj ib zaug dhau 35 hom kev sloths, xws li ntawm Antartica mus txog Meskas Tebchaws Meskas. Tam sim no muaj ob tug nrog tsib hom nyob rau hauv cov hav zoov los nag hav zoov ntawm Central thiab South America.
Muaj ob hom ntawm ob lub to taub nyob rau hauv South America - (Choloepus hoffmanni los yog Unau) pom nyob rau hauv lub cheeb tsam forested ntawm sab qaum teb South America los ntawm Ecuador rau Costa Rica, thiab (Choloepus didattylus) nyob rau hauv Brazil. Muaj peb hom ntawm peb-toed sloth (Bradypus variegatus) nyob rau hauv cov ntug dej Ecuador, los ntawm Columbia thiab Venezuela (tsuas yog Llanos, thiab Orinoco dej raws), txuas ntxiv los ntawm thaj chaw forested ntawm Ecuador, Peru, Bolivia, tawm-tawm Brazil thiab txuas rau sab qaum teb ntawm Argentina thiab Central America,
Qhov sib txawv ntawm cov tsiaj, raws li muaj npe, yog nyob rau sab pem hauv ntej, raws li ob qho tib si muaj peb cov ntiv taw ntawm lawv cov hind taw, tab sis lawv tsis muaj feem xyuam nrog tsev neeg.
Lub ntiaj teb qis qis tshaj plaws, cov chaw nyob hauv South America yog tsob ntoo nyob hauv hav zoov, muaj kev ruaj ntseg ntawm cov tsiaj txhu hauv av. Lawv nqa tawm feem ntau ntawm cov dej lawv dai saum ntoo hauv. Lawv noj, pw tsaug zog, ua niam ua txiv, muab yug, thiab lawv cov tub ntxhais hluas raug kaw hauv av.
Nws siv lawv li ob thiab ib nrab xyoo kom loj hlob kom puv loj, nruab nrab ntawm ib thiab ib nrab thiab ob thiab ib nrab ntawm taw. (Lawv txwv zeej txwv, lub ploj tuag loj heev), lawv loj hlob mus rau qhov loj ntawm ib tug ntxhw.) Lawv yuav nyob rau plaub caug xyoo.
Vim qhov no "rov qab" lub neej, lawv cov hauv nruab nrog cev muaj nyob hauv ntau txoj haujlwm.
Kev qeeb qeeb yog qeeb heev hauv av, tsiv ntawm 53 feet ib teev twg.
Ceev ceev hauv cov ntoo, lawv tuaj yeem txav li 480 ko taw / teev, thiab thaum muaj xwm txheej ceev tau taug kev ntawm 900 fiv mus rau ib teev.
Kev xav tau qeeb ib txoj kev qeeb paced ntawm lub neej. Lawv siv ntau lub hnub so thiab pw tsaug zog. Thaum tsaus ntuj, lawv noj, nqis los rau hauv av tsuas yog tsiv mus rau lwm qhov chaw los yog mus defecate, feem ntau ib lim piam twg.
Cov kab ntawm South America yog tshuaj ntsuab thiab noj tsob ntoo nplooj, tua thiab qee cov txiv hmab txiv ntoo. Ob-toed hom kuj noj twigs, txiv hmab txiv ntoo, thiab me me prey. Lawv lub cev plab yog qeeb heev, vim lawv lub cev tsis muaj zog metabolic, uas cia lawv mus ciaj sia tsawg tsawg. Lawv tau txais lawv cov dej los ntawm dewdrops los yog kua txiv hmab txiv ntoo hauv cov nplooj. Qhov tsawg npaum li cov metabolism ua rau nws nyuaj rau lawv mus tua cov kab mob los yog kev kub ntxhov.
Lawv tau ntev, nkhaus claws uas cia lawv tuav tus ceg ntoo thiab dai txawm tias thaum tsaug zog. Lawv siv lawv daim di ncauj, uas yog ib qho nyuaj heev, kom qoob loo nplooj. Tuj zuj zuj zuj zug hab ua kuas zoo, puab cov hniav muab puab cov zaub mov. Tej zaum lawv yuav siv lawv cov hniav mus nip ntawm ib tug predator.
Kev siv cov xim uas siv ntev ntev, xim grey los yog xim av, feem ntau yog them nrog xiav-ntsuab algae thaum lub caij los nag, raws li kev tiv thaiv xim. Cov plaub hau npog lawv ntawm plab rov qab, ntog dhau lawv thaum lawv dai tshem tawm.
Predators muaj cov nab loj loj, cov tsiaj ntawv thiab lwm cov noog, jaguars thiab ocelots.
Cov chaw South America muaj luv luv hau, luv snouts thiab pob ntseg me me. Saib cov duab no. Dhau li ntawm cov naj npawb ntawm cov ntawv forefeet, muaj cov kev sib txawv ntawm ob-toed thiab peb-toed sloths:
- Ob-toed sloths muaj rau los yog xya vertebra
- Ob-toed sloths tsis muaj tails. Lawv cov ceg thiab tom qab ob txhais ceg yog txog qhov loj tib yam
- Ob-toed sloths muaj lub caj dab luv, qhov muag loj thiab txav ntau dua ntawm cov ntoo
- Ob-toed sloths tsis yooj yim mus. Lawv siv lawv tus kheej ntxais cov canine hniav mus tom.
- Peb-toed sloths muaj cuaj vertebra
- Peb-toed sloths muaj ib tug me me Tail. Lawv cov ceg pem hauv ntej yog ntev dua cov tsheb loj
- Peb-toed sloths muaj lub caj dab luv luv thiab me qhov muag
- Peb-toed sloths muaj me ntsis moj khaum, uas ua rau lawv yooj yim rau kev ntes cov tsiaj phooj ywg. Lawv muaj tam sim no nyob rau ntawm daim ntawv teev cov tsiaj ntawv.
Nrog cov tub ntxhais hluas thiab cov tshuab hauv cov huab cua ntawm South America, cov neeg laus, zoo li ntau lwm cov hav zoov rain forest creatures, nyob hauv kev phom sij.