Crow yog ib tug noog dav dav nyob rau hauv kab lis kev cai, ntawv nyeem thiab mythology. Tus kws sau paj huam Roman Ovid hu nws ua tus harbinger ntawm nag. Hauv tebchaws Denmark, cov noog no suav hais tias yog qhov tshwm sim ntawm cov dab phem, tab sis cov neeg Swedes ntseeg tias cov neeg tuag nyob hauv lawv cov ntsuj plig. Nyob rau hauv tsab xov xwm no koj yuav pom ntau qhov tseeb nthuav txog crows, lawv cov kev txawj ntse, tus cwj pwm thiab "lus".
Nkauj, kum, kum… nkag siab cov ntsiab lus
Ua ntej peb qhia rau koj cov lus tseeb tshaj plaws txog cov kab, koj yuav tsum nkag siab cov ntsiab lus thiab cov npe. Tom qab tag nrho, tsis yog txhua leej txhua tus paub yuav ua li cas ib tug raven txawv ntawm ib tug cw, los yog dab tsi yog qhov txawv ntawm ravens thiab ravens. Yog li cia peb pib…
Crow yog ib lub npe uas tsis yog kev tshawb fawb rau ntau hom noog. Ravens (tseem ceeb rau thawj lub suab) yog ib hom noog uas sib txuas txog plaub lub kaum sib txawv. Ib tug ntawm lawv yog ib tug ntau raven, uas yuav tau tham nyob rau hauv peb tsab xov xwm. Thaum kawg, nyob rau hauv lo lus crows (los yog corvids)Nws txhais tau tias ib tsev neeg uas suav nrog, ntxiv rau cov genus ntawm ravens, kuj yog magpies, jays, nutcrackers thiab lwm yam noog (tshaj 120 hom nyob rau hauv tag nrho).
Zoo, zoo li peb tau txais qhov ntawd. Tom ntej no, peb tau xaiv rau koj ib daim ntawv teev cov feem ntau nthuav qhov tseeb txog crows. Tsis tas li ntawd, hauv tsab xov xwm koj yuav pom cov lus piav qhia ntawm hom noog nto moo tshaj plaws los ntawm genus ntawm crows. Zoo, peb puas tau nyeem?
Ntxhais lus tseeb hais txog crows
Cov menyuam yaus hnub nyoog pib kawm ntawv qib pib muaj ib qho kev xav paub: thaum ua si hauv sandbox, lawv feem ntau khaws cov khoom ua si lossis lub spatula thiab tsa saum lawv taub hau. Qhov no yog ua kom nyiam cov neeg laus. Ravens kuj siv cov txheej txheem no los nyiam cov neeg ntawm cov poj niam sib txawv. Ua li no, lawv muab ib tug twig rau hauv lawv lub caj dab thiab qhia rau tus uas lawv xav ntes.
Tsim cov kev ntaus nqi ntawm cov tsiaj uas txawj ntse tshaj plaws, ib tug neeg suav nrog hauv tsib, nrog rau nws tus hlub, chimpanzee, nees, ntses taub ntswg ntev thiab … cw. Los ntawm txoj kev, qhov piv ntawm qhov loj ntawm lub hlwb thiab lub cev nyob rau hauv cov noog no raws nraim tib yam li nyob rau hauv tib neeg. Ntau tus neeg sawv cev ntawm Homo sapiens xav tsis thoob los ntawm qhov tseeb nthuav txog crows, thiab qee qhov ntshai kawg. Ib tug noog lub hlwb yog tsib npaug loj dua tus nquab, uas tso cai rau lawv los nrog txoj kev txawj ntse tshaj plaws thiab kev xaiv kom tau txais zaub mov.
Yog li, cov neeg nyob hauv Nyij Pooj lub peev tau saib daim duab zoo kawg. Lub nroog crows ntawm txoj kev tsis khoom tau ua siab ntev tos lub tsheb teeb liab. Thaum lub sij hawm ntawd, lawv sai sai tso walnuts ntawm txoj kev.txiv ntseej thiab rov qab mus rau cov nyom uas nyob ib sab ntawm txoj kev. Thaum ib lub tsheb dhau mus, cov noog txawj ntse tau faib cov txiv ntoo los ntawm asph alt.
Ib qho kev sim zoo tau ua los ntawm cov kws tshawb fawb ntawm Oxford University. Lub zos crow Betty tau muab txoj haujlwm hauv qab no: kom tau txais kev kho mob los ntawm cov yeeb nkab pob tshab thiab nqaim heev. Tej daim hlau ntawm qhov ntev sib txawv tau muab tso rau ze. Cov noog, tom qab qee qhov kev xav, xaiv qhov ntev tshaj plaws ntawm cov hlau, ua ib tug nuv ntawm nws kawg nrog kev pab los ntawm nws beak, thiab yooj yim tshem tawm cov zaub mov los ntawm cov yeeb nkab. Thiab qhov no yog tej zaum qhov zoo kawg thiab nthuav qhov tseeb tshaj plaws txog ravens! Rau cov menyuam yaus hnub nyoog qis dua peb xyoos, los ntawm txoj kev, ib qho kev sim zoo sib xws tau ua tiav. Thiab ob peb tug tib neeg cov menyuam yuav xav txog qhov no.
Ntau ntawm nej tej zaum yuav tau pom ib tug tsaj hauv lub tiaj ua si ua tib zoo nqa zaub mov los ntawm lub hnab los yog lub hnab. Nws tseem tuaj yeem qhib lub thawv ntawv nrog nws lub paw lossis unwrap khoom qab zib los ntawm lub hnab ntim khoom. Lwm cov noog no muaj peev xwm ua dab tsi? Xav paub ntau ntxiv txog cov crows - ntxiv hauv peb tsab xov xwm.
10 Surprising Crow Facts
- Qhov ntau ntawm cov noog no npog yuav luag tag nrho lub ntiaj teb, tshwj tsis yog Antarctica.
- Nkauj yuav muaj ib tug phooj ywg mus tas ib sim neej.
- Nyob hauv hav zoov, cov noog no nyob tau txog 10-15 xyoo, thiab thaum raug ntes, yog tsim muaj cov xwm txheej zoo, lawv tuaj yeem nyob txog 30 xyoo.
- Tabsis cov Arab yeej paub meej tias tus nquab yog ib tug noog uas tsis txawj tuag.
- Caws muaj peev xwm xyaum tib neeg thiab lwm yam tsiaj.
- Crows feem ntau siv xaim, hangers thiab lwm yam khoom siv hlau los tsim lawv lub zes.
- Qee hom ntawm tsev neeg no raug kev puas tsuaj (qhov piv txwv zoo tshaj plaws yog Hawaiian crow).
- Cov noog no yog omnivores. Lawv noj tau txiv hmab txiv ntoo, txiv ntseej, qav, cov tsiaj tuag.
- Crows yeej nco tau tib neeg lub ntsej muag.
- Nkauj nyiam pab yaj. Qee zaum lawv cov lej tuaj yeem ntsuas tau ntau txhiab tus noog.
Nyob zoo ib tsoom niam txiv kwv tij neej tsas sawv daws
Raws li tau hais los saum toj no, cov kab muaj kev txawj ntse tshwj xeeb. Yog li, cov kws tshawb fawb ntawm University of Auckland tau pom tias cov noog no tuaj yeem siv daim iav rau lawv lub hom phiaj. Nrog kev pab los ntawm kev xav, lawv yooj yim pom qhov zais delicacy. Raws li tus kws tshawb fawb Felipe Rodriguez, crows muaj peev xwm txheeb xyuas cov ntaub ntawv ntawm kev sib koom nrog ntxhw lossis primates.
Crow yog ib qho ntawm ob peb tus noog uas siv cov khoom tsim tawm kom tau zaub mov. Piv txwv li, nrog rau cov twigs lawv tau larvae los ntawm cov tawv ntoo, thiab nrog rab rawg-zoo li cov hniav ntawm cov nyom lawv txoj hlua gaping kab thiab cab.
Nyob zoo ib tsoom niam txiv kwv tij neej tsa sawv daws.
Xav txog ob zaug ua ntej pov pob zeb ntawm ib pab yaj ntawm cov noog hauv koj lub vaj. Tom qab tag nrho, crows kuj muaj kev nco zoo heev. Lawv muaj peev xwm nco tau lub ntsej muag ntawm cov neeg uas hem lawv. Cov yeeb yam no tau kuaj xyuas thaum lub sijhawm sim los ntawm xibfwb John Marzlaff. Ntxiv mus, raws li nws tau muab tawm, crows kuj xa cov ntaub ntawv hais txog lawv cov neeg ua txhaum cai rau lwm cov noog. Muaj ib qho xwm txheej paub thaum cov feathered avengers tawm tsam ib pab tub ceev xwm hauv xeev Washington, uas tau ua phem ua ntejtua noog nyob rau lwm lub xeev.
Nyob rau hauv cov chav kawm ntawm kev soj ntsuam cov noog no, ib qho nthuav qhov tseeb tau tsim: grey crows teem ib tug sawv! Thaum pom lub cev tuag ntawm lawv cov kwv tij feathered, lawv qw tho rau ob peb feeb, thiab tom qab ntawd ntsiag to zaum ntawm cov ceg ntoo nyob ze. Cov kws tshawb fawb tam sim no tab tom sim nrhiav kev piav qhia rau qhov tshwm sim zoo kawg nkaus.
Ntawm no yog lwm txoj kev ua yeeb yam uas xav paub: crows feem ntau yob ib ncig ntawm tus dab ntxwg nyoog txhawm rau tso cov ntsaum kom ntau li ntau tau rau hauv lawv cov plaub. Vim li cas lawv ua qhov no tsis paub. Muaj ntau qhov kev xav. Tej zaum cov formic acid secreted los ntawm qhov tom ntawm cov kab no muaj txiaj ntsig zoo rau ntawm daim tawv nqaij ntawm crows.
Games and entertainment
Crows paub yuav ua li cas muaj kev lom zem, zoo li cov miv hauv tsev lossis menyuam dev. Ntau qhov xwm txheej tau sau tseg thaum cov noog no swb rau hauv toj lossis cov ru tsev uas muaj daus. Ib tug Muscovite tau saib ntev npaum li cas ob tug crows caum lub pob ntaus pob hla lub ru tsev nrog kev mob siab rau. Lawv "dhau" rau ib leeg nrog lawv cov beak, nyob rau sab nraud ntawm lub ru tsev. Qhov kev ua si txuas ntxiv mus txog thaum lub pob tsoo hauv av.
Tom ntej no, peb yuav tham luv luv txog hom nto moo tshaj plaws thiab ntau hom ntawm genus ntawm crows: dub, grey, ntau crows, as well as rooks.
Black Crow: piav qhia luv luv thiab nthuav qhov tseeb
YBlack crow (lat. Corvus corone) yog ib tug noog los ntawm genus ntawm crows nrog dub plumage, beak thiab paws. lub cev ntev -los ntawm 48 mus rau 52 cm. Cov noog nyob hauv thaj tsam loj ntawm Eurasia, tshwj xeeb, hauv Central thiab Western Europe, Siberia, East Asia thiab Russia Far East.
Nyob rau hauv qhov xwm txheej, dub crows yog scavengers. Txawm li cas los xij, lawv tsis nyiam noj mov ntawm cov nplej, worms, lossis qe ntawm lwm cov noog. Tus maum dub yog ib tug noog uas nrov nrov, nws tuaj yeem zaum ntawm ceg ntoo thiab qw rau lub sijhawm ntev, siv sijhawm luv luv ntawm kev sib tw croaking. Cov noog no yeej tsis ntshai, lawv tuaj yeem tua eagles thiab golden eagles. Qee lub sij hawm lawv tua nyuj (tshwj xeeb yog lub caij ntuj no).
Grey Crow
Tus grey crow (Corvus cornix) yog ib hom cais ntawm tsev neeg corvidae lossis, raws li lwm yam kev faib tawm, ib hom subspecies ntawm crow dub. Lub cev ntev ntawm ib tug noog feem ntau tsis tshaj 50 centimeters. Cov plaub ntawm lub cev yog xim grey, tshwj tsis yog cov tis, taub hau thiab tus Tsov tus tw. Grey crow nyob hauv Central thiab Eastern Europe, Scandinavia, Asia Me thiab Russia (mus txog rau lub roob Ural).
Grey crows nco ntsoov qhov chaw uas lawv zais lawv cov tsiaj. Lawv qhia txog kev txawj ntse hauv cov txheej txheem tau txais zaub mov. Piv txwv li, lawv pov cov txiv ntoo los ntawm qhov siab zoo kom tawg lawv. Yuav ua li cas lwm tus paub txog grey crow? Qhov tseeb nthuav ntawm nws lub neej: ib tug noog, tau pom ib qho qhuav ntawm lub khob cij, yuav xub muab tso rau hauv lub pas dej ze tshaj plaws, thiab tsuas yog tom qab ntawd nws yuav pib noj. Los ntawm txoj kev, grey crows nco ntsoov thiab paub cov neeg uas pub lawv.
Common Raven
Ntau raven, lossis tsuas yog raven (lat. Corvus corax) -ib hom noog ntau tshaj plaws. Nws thaj tsam npog yuav luag tag nrho Northern Hemisphere ntawm lub ntiaj teb, suav nrog Central America, North Africa thiab sab qab teb ntug dej hiav txwv ntawm Greenland.
Tus noog lub cev hnyav txog 1500-1600 g, thiab qhov ntev yog 65-70 centimeters. Cov yam ntxwv tshwj xeeb ntawm cov raven: lub ntsej muag loj heev thiab muaj cov plaub elongated ntawm lub caj dab (lub npe hu ua "beard"). Cov xim ntawm plumage yog monophonic, dub nrog ib tug hlau sheen.
Npauj npaim yog ib tug noog uas ceev faj heev nrog kev ua siab ntev thiab muaj peev xwm tos. Lub degree ntawm socialization nyob rau hauv no noog yog tsis tshua muaj heev. Feem ntau, cov noog khaws ua khub, thiab tsuas yog lub caij ntuj no lawv tuaj yeem sib sau ua pab pawg me.
Roob
Rooks (lat. Corvus frugilegus) feem ntau yuam kev rau ravens. Nws yog lawv cov neeg nyob hauv cov chaw ua si hauv nroog thiab thaj chaw nyob. Lub cev ntev ntawm rook yog me me - 45-48 centimeters. Lub rook txawv ntawm tus raven nyob rau hauv nws cov beak grey, liab qab (qhib) qhov ntswg, thiab kuj nyob rau hauv nws lub suab - tus noog emits ib sonorous shrill "kaaa", nyob rau hauv sib piv rau lub hoarse crow "kraaa". Tsis tas li ntawd, cov rook tuaj yeem lees paub los ntawm cov yam ntxwv ntshav tint ntawm plumage.
Rooks yog omnivorous noog uas nyob hauv pab yaj. Feem ntau lawv npaj cov cheeb tsam loj nyob rau sab sauv ceg ntawm cov ntoo siab. Cov kws tshawb fawb hauv University of Cambridge tsis ntev los no pom tias cov rooks yog cov ntse thiab txawj ntse zoo li lwm cov kab mob.
