California condor: chaw nyob thiab hom lus piav qhia

2024 Tus sau: Henry Conors | [email protected]. Kawg hloov kho: 2024-02-12 07:57

Txhua tus uas muaj dab tsi ua nrog ornithology paub zoo tias Californian condor tsis yog cov noog loj tshaj plaws hauv lub ntiaj teb, tab sis kuj yog ib qho tsis tshua muaj. Hmoov tsis zoo, vim qee qhov xwm txheej, hnub no nws yog nyob rau ntawm verge ntawm yuav luag tiav extinction. Tom qab nyeem tsab xov xwm no, koj yuav pom tias cov neeg sawv cev ntawm hom no zoo li cas thiab lawv nyob qhov twg.

biology thiab kev ua neej

Condor, daim duab uas tau nthuav tawm hauv qhov kev tshaj tawm no, muaj peev xwm ua kom nrawm txog 90 km / h. Nws siv cov cua tam sim no kom yooj yim rau kev ya. Hauv kev tshawb nrhiav zaub mov, cov noog no feem ntau tawm thaum kaj ntug. Nyob rau hauv cov ntaub ntawv ntawm kev yos hav zoov ua tau zoo, lawv siv sij hawm so ntawm lub hnub nyob rau hauv ib tug lub xeev ntawm calm wakefulness.

California Condor suav hais tias yog lub siab ntev. Nws qhov nruab nrab lub neej expectancy yog txog rau caum xyoo. Nyob rau tib lub sijhawm, cov tib neeg uas muaj hnub nyoog rau xyoo yog kev sib deev. Rau kev ua zes, cov noog muaj zog monogamous xaiv cov qhov tsua los yogsiab rocky ledges. Tus poj niam nteg ib lub qe dawb loj heev. Cov txheej txheem incubation txuas ntxiv rau ib hlis thiab ib nrab.

Yuav ua li cas cov tsiaj hluas loj hlob?

Hatched me nyuam qaib loj hlob qeeb qeeb. Yog vim li ntawd nws thiaj siv sijhawm rau lub hlis tom ntej ntawm nws lub neej nrog nws niam nws txiv. Lub hnub nyoog peb lub hlis, nws daim duab tsis tuaj yeem qhia tag nrho cov kev zoo nkauj thiab lub zog ntawm cov noog no, tawm hauv lub zes los ua nws thawj zaug. Cov niam txiv qhia nws txhua yam uas yuav pab tau rau tus neeg laus lub neej ywj pheej.

California Condor noj dab tsi?

Cov noog tsuas noj carrion nyob rau ntau theem ntawm decomposition. Soaring siab nyob rau hauv lub ntuj, nws saib tawm rau cov neeg raug tsim txom, uas feem ntau muaj cov corpses ntawm loj ungulates. Txawm tias muaj tseeb hais tias condors feem ntau nyob hauv roob toj roob hauv pes, lawv muaj peev xwm noj tau nyob rau hauv tiaj tus.

Nyob rau hauv txhua yam uas yuav tsum tau noj, cov noog no muaj ib tug nruj hierarchy. Cov tub ntxhais hluas pib noj zaub mov tsuas yog tom qab cov hnab yas loj thiab cov laus dua. Tau sated, lawv ya mus rau qhov so ntev ntev, uas lawv xaiv qhov chaw nyob ntsiag to feem ntau.

California condor description

Cov no yog cov noog muaj zog thiab majestic nrog lub tis ntev ntawm 3.4 meters. Qhov nruab nrab qhov hnyav ntawm tus neeg laus yog los ntawm xya mus rau kaum plaubkilograms. Outwardly tus poj niam zoo ib yam li txiv neej, qhov txawv feature ntawm kev sib deev muaj peev xwm lees paub yog qhov loj ntawm tus noog.

Tus neeg nyob hauv California, nws lub cev ntev yog npog nrog cov plumage dub, muaj lub caj dab liab qab ncig nrog lub dab tshos plaub zoo nkauj. Hauv qab tis ntawm cov noog yog ib daim duab peb sab dawb. Ntawm lub taub hau liab liab yog luv luv, muaj zog thiab nkhaus beak, uas yog qhov tsim nyog rau kev tua tsiaj tshiab, undecomposed carrion.

Cov noog me tuaj yeem lees paub los ntawm lawv cov plumage xim av-xim av nrog lub teeb ciam teb. Lawv lub nraub qaum yog npog nrog cov qauv scaly, thiab lawv cov dav hlau thib ob tsis muaj xim dawb. Qhov nthuav tshaj plaws yog qhov kev hloov pauv zaum kawg ntawm qhov tshwm sim tsuas yog muaj plaub xyoos xwb.

Vim li cas lawv thiaj muab teev rau hauv Phau Ntawv Liab?

Nyob rau xyoo pua 19th, kev poob qis hauv cov neeg Californian condors pib. Qhov no tshwm sim rau ntau yam. Lub luag haujlwm tseem ceeb hauv kev ploj ntawm cov noog no tau ua los ntawm kev tsim txom ncaj qha los ntawm cov neeg yug yaj, uas tsis ntseeg tau tias Californian condor tau rhuav tshem cov yaj. Qhov kev pheej hmoo siab ntawm cov noog no kuj yog vim qhov chaw zes thiab tua tsiaj, qee zaum muaj txog li 90 mais. Tsis tas li ntawd, kev txo qis ntawm cov tsiaj nyeg tau cuam tshuam los ntawm kev siv tshuaj tua kab mob txhawm rau tiv thaiv cov squirrels hauv av.

Kev sib xyaw ua ke ntawm tag nrho cov ntsiab lus saum toj no ua rau pom tseeb tias thawj ib nrab xyoo 1980s tsuas muaj 22 tus noog hauv ntiaj teb. Xyoo 1893 cov kws tshawb fawb tuaj yeem ua tauxaiv ob peb lub qe thiab loj hlob rau hauv cov khoom tsim. Tom qab qee lub sijhawm, tib neeg yuav tsum tau mus rau qhov kev ntsuas hnyav dua los cawm cov condors. Xyoo 1987, 6 tus neeg tseem muaj sia nyob tau muab tso rau hauv kev poob cev qhev, qhov twg 27 tamed noog twb khaws cia lawm. Hmoov zoo, txhua tus ntawm lawv tau ua tiav zoo rau cov xwm txheej tshiab ntawm kev muaj sia nyob thiab txawm tias pib ntau ntxiv.

Vim li ntawd, los ntawm 2003, cov kws tshawb fawb tau tswj hwm kom tag nrho cov pej xeem ntawm condors mus rau 223 tus neeg, 85 tus uas tau muab rov qab rau hauv cov qus ntawm Northern Arizona.

Tam sim no, qhov chaw nyob ntawm cov neeg sawv cev ntawm hom no tsuas yog txwv rau thaj tsam ntug dej hiav txwv ntawm California. Lawv feem ntau nyob rau sab qab teb sab hnub tuaj Monterey County thiab sab qaum teb Los Angeles. Tsis tas li ntawd, Californian condors tuaj yeem pom hauv Tulare thiab ncig Kern. Yav dhau los, tus noog no nyob hauv xeev Oregon thiab Washington.