Raws li: nqos thiab swifts. Lawv muaj dab tsi sib xws?

2024 Tus sau: Henry Conors | [email protected]. Kawg hloov kho: 2024-02-12 08:07

Ib yam ntawm cov neeg nto moo tshaj plaws yog qhov qis qis ntawm nqos ua ntej los nag. Thiab txog niaj hnub no, ntau tus, saib saum ntuj, nco ntsoov nws thaum lub teeb-tis, cov noog ya los ntawm. Thiab ob peb tus neeg paub tias qhov tseeb feem ntau ntawm cov noog uas peb noj rau nqos yog ib hom sib txawv kiag li. Namely, rau swifts.

Raws li: nqos thiab swifts

Ob tug noog no muaj ntau heev nyob thoob teb chaws. Lawv qhov zoo sib xws yog qhov zoo heev, tshwj xeeb tshaj yog rau cov neeg uas tsis to taub ornithology. Ob leeg nqos thiab swifts muaj tsaus plumage thiab ib tug ntev Tail. Lawv kuj paub yuav ua li cas kom tau txais lub davhlau siab heev, npaj siab tshaj hauv av nws tus kheej, sau cov midges. Thiab qhov zoo sib xws tsis xaus rau ntawd. Lawv muaj feem cuam tshuam ob qho tib si los ntawm cov xim ntawm plumage thiab kwv yees qhov loj me. Tab sis kuj tseem muaj qhov sib txawv tseem ceeb.

Qhov txawv thiab zoo sib xws: nqos thiab swifts

Tam sim no cia sim nkag siab qhov teeb meem no kom ntxaws. Cia peb kawm seb cov noog txawv li cas, thiab lawv qhov zoo sib xws yog dab tsi. Swallows thiab swifts yog nyob rau hauv kev txiav txim sib txawv. Cov qub yog passerines, hos tom kawg yog cov noog ntev-tis.

Yuav ua li cas qhia nqos los ntawm nrawm?

Ua tib zoo mloogcas cov feathered creatures ya. Qhov sib txawv ntawm qhov muaj peev xwm ntawm cov noog no txav mus los. Lawv qhov zoo sib xws yog tias ob leeg yog cov kws tsav dav hlau zoo heev. Tab sis yog hais tias qhov nruab nrab lub davhlau ceev ntawm nqos mus txog 50-60 kilometers ib teev, ces ntes nrog ceev yog ib txoj hauj lwm tsis yooj yim sua rau lwm cov noog. Cov no yog cov thawj coj dav hlau tiag tiag. Lawv tuaj yeem ncav cuag qhov nrawm txog li 120 km ib teev, tab sis tib lub sijhawm lawv poob rau nqos hauv kev ua haujlwm, vim feem ntau lawv ya tsuas yog hauv txoj kab ncaj nraim.

Qhov sib txawv ntawm cov noog no nyob ntawm lawv qhov tsos. Cov paws ntawm nqos muaj tus qauv qauv rau passerines - peb ntiv tes saib rau pem hauv ntej, thiab ib tug tig rov qab. Hauv swifts, tag nrho plaub yog qhia ncaj. Qhov no tiv thaiv lawv los ntawm kev zaum, piv txwv li, ntawm cov xov hlau, tab sis nws pab txhawm rau txhawm rau ib qho ledge. Qhov no feature yog heev pab tau, vim hais tias feem ntau swifts nyob rau hauv burrows ntawm lub pob tsuas ntawm tus dej, pas dej los yog lwm yam dej. Txawm li cas los xij, nws tsis yooj yim rau tib neeg kom pom cov ntsiab lus tshwj xeeb no.

Thiab cov xim, qhov zoo sib xws ntawm cov noog nyob deb ntawm kev ua tiav. Lawv lub plab xim txawv. Hauv nqos, nws yog dawb kiag li. Tab sis swifts yog txaus siab nrog me me daus-dawb qhov chaw ntawm lawv lub hauv siab.

tis thaum lub sij hawm ya davhlau zoo li quav nqos xwb. Tsis tas li ntawd, lawv qhov loj me hauv swifts loj dua, thiab lawv txawv ntawm cov duab. Yog hais tias koj pom ib tug noog nrog elongated sickle-shaped tis, ces qhov no yeej tsis yog nqos. Tab sis tus swift tus Tsov tus tw luv dua thiab dav dua.

Lwm qhov pom tseeb uas cov noog no tuaj yeem paub qhov txawv ntawm leej twg yog lawv lub suab nrov. Feem ntau nrovTsuas yog swifts txawv ntawm lub suab thiab lub suab qw tas li hauv davhlau.

Qhov txawv kawg yog qhov nyiam thaj chaw. Tus nquab yog ib tug nquag tuaj xyuas txhua lub zos, hos cov swifts feem ntau yog cov neeg nyob hauv nroog.

Zoo kawg

Tau kawg, thaum koj saib cov noog hauv av thiab pom lawv tsuas yog me me nyob saum ntuj, nws yooj yim tsis tuaj yeem txheeb xyuas qhov sib txawv no. Tab sis yog tias koj muab daim duab nqos thiab nrawm ntawm ib sab ntawm nws, ces tag nrho cov ntsiab lus ntawm lawv cov tsos yuav pom tseeb. Yog li tam sim no koj yuav tsis txhob yuam kev ob tus noog zoo nkauj no. Tom qab tag nrho, koj paub qhov txawv thiab qhov zoo sib xws ntawm lawv. Swallows thiab swifts zoo ib yam, tab sis muaj ntau qhov sib txawv ntawm lawv.