Larks: Yam Koj Yuav Tsum Paub

Larks yog cov noog me me. Nyob ib ncig ntawm lub ntiaj teb no muaj txog 90 hom, nyob rau hauv cov teb chaws Europe, muaj kaum ib hom. Qhov zoo tshaj plaws-paub yog skylark, woodlark, crested lark, thiab luv-toed lark. Qee hom lark no siv tag nrho lub xyoo nyob rau tib qhov chaw. Yog li ntawd lawv yog sedentary. Lwm tus tsiv mus rau Spain thiab Portugal, thiab lwm tus mus rau Africa. Yog li ntawd lawv yog migratory noog.

Qhov tshwj xeeb ntawm larks yog lawv cov nkauj. Ib zaug ntxiv, cov kws sau paj lug thiab cov kws ntaus suab paj nruag tau sau txog nws los yog xyaum lawv cov suab paj nruag rau kev hu nkauj ntawm larks. Lawv tuaj yeem nce siab thiab tom qab ntawd muab kauv nqes, ib txwm hu nkauj.

Larks tsim lawv lub zes rau hauv av. Lawv xav tau qee thaj av uas tsis muaj neeg ua liaj ua teb tam sim no ua haujlwm thiab tsis tau hloov kho los ntawm tib neeg. Nyob ntawd lawv khawb ib lub qhov me me thiab khi nws tawm. Vim tias muaj tsawg thiab tsawg qhov chaw zoo li no, tsawg dua thiab tsawg dua larks tau noj nws rau qee hom. Qee cov neeg ua liaj ua teb tso ib daim av rau hauv nruab nrab ntawm ib thaj teb uas tsis tau kov cov larks. Qhov no hu ua "lark window".

Poj niam larks nteg qe ib zaug lossis ob zaug hauv ib xyoos, kwv yees li ob mus rau rau txhua zaus. Qhov ntawd nyob ntawm hom lark. Feem ntau, tsuas yog tus poj niam incubates, uas kav li ob lub lis piam. Ob leeg niam txiv ces pub lawv cov me nyuam ua ke. Tom qab ib lub lim tiam zoo, cov tub ntxhais hluas ya tawm.

Cov larks tsis xaiv txog lawv cov zaub mov: lawv noj kab ntsig, kab me me, thiab ntsaum, tab sis kuj yog kab laug sab, thiab qwj. Tab sis cov noob kuj yog ib feem ntawm lawv cov khoom noj, xws li buds thiab cov nyom me me heev.

Larks feem ntau yog brownish. Lawv yog li ntawd zoo yoog rau cov xim ntawm lub ntiaj teb. Lawv tsuas muaj lawv cov xim camouflage los tiv thaiv lawv ntawm cov tsiaj nyeg. Txawm li cas los xij, muaj tsawg dua thiab tsawg dua lark hom. Qhov no tsis yog vim cov yeeb ncuab tab sis vim lawv nrhiav tsawg dua thiab tsawg qhov chaw tsim nyog rau lawv lub zes.