Kev sib piv ntawm nqos thiab swifts: zoo sib xws thiab sib txawv

2024 Tus sau: Henry Conors | [email protected]. Kawg hloov kho: 2024-02-12 08:01

Rau tus neeg soj ntsuam tsis muaj kev paub, zoo li tsis muaj qhov sib txawv ntawm swifts thiab nqos. Lawv coj txoj kev ua neej zoo sib xws: cov noog no noj cov kab uas ntes tau ya saum huab cua; ob leeg yog cov fliers zoo heev. Cov duab ntawm lawv lub ntsej muag zoo ib yam: luv luv nrog qhov dav dav.

Cov noog no nyob hauv huab cua yuav luag txhua hnub, ua rau cov pirouettes sib txawv. Hauv av, swifts thiab nqos tsis tshua pom. Thaum lub caij nplooj ntoos hlav lawv ya tuaj rau peb ntawm thaj av sov, thaum lub caij nplooj zeeg lawv ya rov qab.

Qhov tseeb, cov noog no muaj ntau qhov sib txawv. Yog li, cia peb piv cov nqos thiab swifts. Lawv muaj qhov sib txawv ntau dua li qhov sib xws. Lawv tsis yog "cov txheeb ze ze", raws li lawv koom nrog ntau hom. Swifts - mus rau detachment ntawm ntev-tis (swift-zoo li), thiab nqos - rau passerines.

Yog tias koj piv cov nqos thiab swifts hauv av, saib lawv hauv kev ya, koj tuaj yeem pom qhov sib txawv ntawm kev ua haujlwm. Qhov thib ob ya swiftly thiab sai heev, thiab thawj sau intricate pirouettes nyob rau hauv cov huab cua. Swifts yog cov sib tw ntawm cov noog nyob rau hauv cov nqe lus ntawm kev ya davhlau: nws paub tias lawv tuaj yeem txhim kho nws mus txog 150 km / h. Swallows raws li qhov ntsuas nopoob (txog 60 km / h), tab sis tshaj lawv nyob rau hauv maneuverability.

Thaum cov noog nyob saum huab cua, lwm qhov kev sib piv tuaj yeem ua tau. Swallows thiab swifts tuaj yeem paub qhov txawv ntawm cov xim ntawm lub plab, uas pom meej meej hauv qab no. Thawj muaj lub hauv siab dawb, thaum lub thib ob muaj ib tug tsaus nti. Tus swift, tsis zoo li tus nqos, yeej tsis folds nws tis. Flying Swifts hu nrov nrov, pob ntseg pob ntseg thaum lawv pab pawg scamper hla av hauv kev tshawb nrhiav tsiaj.

Yog tias koj tswj xyuas kom zoo dua ntawm cov noog thiab ua kom muaj kev sib piv ntau dua ntawm nqos thiab swifts, koj tuaj yeem pom lwm qhov sib txawv, qhov tseem ceeb ntawm cov qauv ntawm ob txhais ceg. Nyob rau hauv ib tug nqos, zoo li nyob rau hauv feem ntau cov noog, nws muaj plaub ntiv tes, peb ntawm uas yog coj mus rau pem hauv ntej, thiab plaub yog rov qab. Swifts muaj plaub ntiv tes taw rau pem hauv ntej. Qhov no ua rau lawv muaj peev xwm cling rau txhua qhov chaw ntsug nrog lawv cov paws. Qee lub sij hawm swifts txawm pw nrog lawv claws ntawm phab ntsa.

Lub suab qw ntawm nqos hloov mus ua suab paj nruag, thiab cov suab nrov qee zaum tig mus ua squeals. Lwm qhov sib txawv yog cov qauv ntawm tus Tsov tus tw thiab tis. Swallows muaj ib tug forked Tail thiab ntev tshaj li cov swifts. Cov tis ntawm qhov thib ob yog qhov loj dua thiab dav dua, muaj cov duab crescent.

Cov noog kuj txawv ntawm plumage. Hauv cov nqos, nws yog xiav, ci, nrog lub ntsej muag dub, lub mis dawb. Ntawm lub taub hau yog "cap" ntawm cov xim liab-liab, ib qho chaw ci ntsa iab hauv qab caj pas. Swifts muaj xim tsaus nrog me ntsis ntsuab tint thiab dawb speck ntawm caj pas.

Txoj kev ua neej ntawm cov noog kuj txawv. Ob tus swift thiab nqos incubate cov me nyuam qaib nyob rau hauv lub zes. Qhov txawv yog tias tom kawg tsim lawv cov zes nyob rau hauv lub ru tsev ntawm lub tsev, nyob rau hauv lub eaves. Lawv muaj 4-5 tug me nyuam qaib tos lawv lub qhov ncauj qhib rau lawv niam lawv txiv muab mov rau tom ntej.

Swifts feem ntau nteg 2 qe nyob rau hauv sib txawv burrows uas lawv tsim zes. Qee lub sij hawm swifts coj lwm tus neeg lub tsev nrog kev sib ntaus. Lawv pub cov me nyuam qaib hatched nrog ib pob khoom noj. Swifts tsis qhia menyuam yaus ya. Muaj zog, lawv lawv tus kheej ya tawm ntawm lub zes.

Nrog huab cua txias, ib qho thiab lwm yam ya mus rau sab qab teb. Qhov chaw uas nqos thiab swifts lub caij ntuj no: South Africa, Madagascar. Cov noog yuav tsum mus deb heev. Lawv nyob ntawm txoj kev rau 5-6 lub lis piam, pub rau yoov. Ib pab noog siv hmo ntuj nyob rau hauv lub reed.

Yog tias huab cua phem ntes tau lawv ntawm txoj kev, cov neeg taug kev tuaj yeem siv sijhawm ob peb hnub hauv kev npau taws, nkaum hauv qhov tsua. Ua ntej qhov pib ntawm huab cua zoo, tag nrho cov txheej txheem ntawm lub neej hauv lawv lub cev qeeb. Thaum lub caij nplooj ntoos hlav lawv yuav npog tib txoj kev ntev thiab rov qab mus rau lawv zes.