American peb-toed woodpecker: piav qhia, chaw nyob

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

peb-toed woodpecker yog ib tug noog tsis tshua muaj. Nws qhov xwm txheej tsis meej, tus lej tsawg, thiab tus cwj pwm tsis zoo ua rau nws nyuaj rau taug qab cov pej xeem. Tsis tas li ntawd, tus naj npawb ntawm cov noog no hauv North America tau poob qis, uas feem ntau yuav yog vim muaj kev sib ntaus sib tua hluav taws siv thiab txiav ntoo, uas tsis tso cov ntoo muaj mob thiab tuag, uas yog cov khoom noj tseem ceeb rau peb-toed woodpeckers.

Zoo

Peb-toed woodpecker muaj xim dub thiab dawb nraub qaum thiab ob sab, tis dub, lub mis dawb, tus Tsov tus tw dub nrog cov plaub sab nraud, thiab lub taub hau dub nrog kab dawb. Ntau tus mottled, txiv neej muaj qhov daj ntawm lawv lub taub hau. Yog li ntawd, tus neeg nyob hauv hav zoov no muaj lub npe thib ob - lub taub hau daj taub hau. Raws li lub npe qhia, nws muaj peb yam tsis yog plaub ntiv taw ntawm txhua paw.

Yuav ua li cas cov ntoo pecker nyob

Raws li txoj cai, cov noog no nyob hauv hav zoov loj lossis qub coniferous, tshwj xeeb tshaj yog spruce, larch, fir thiab ntoo thuv. Qee zaum lawv nyob hauv hav zoov sib xyaw uas aspen lossis willow loj hlob. Lawv nyiam qhov chaw uas muaj ntoo tuag ntau, xws li tom qab hluav taws lossis dej nyab, thiab thaj chaw muaj kab tsuag.

Hauv North America, peb-toed woodpeckers nce mus rau sab qaum teb dua li lwm hom. Txawm hais tias lawv feem ntau nyiam hav zoov denser, lawv thaj chaw thiab thaj chaw sib tshooj nrog cov ntoo peckers dub.

Ntau zaus nyob ntsiag to thiab tsis pom, tus noog no tuaj yeem zaum tsis muaj zog li ob peb feeb tom qab tsob ntoo. Hauv qee qhov chaw, peb-toed woodpecker muaj txiaj ntsig zoo hauv kev sib ntaus sib tua spruce bark beetle, kab tsuag tseem ceeb ntawm hav zoov.

Nws cov subspecies nyob rau sab qaum teb Europe (los ntawm Scandinavia mus rau sab hnub poob Asia) thiab nruab nrab thiab sab qab teb ntawm Eurasian sab av loj (los ntawm Alps mus rau Nyiv).

Kev coj cwj pwm

Peb-toed woodpeckers tsis ntshai tib neeg, tab sis lawv nyob ntsiag to thiab tsis pom thiab pom tsis yooj yim. Lawv feem ntau perch ntawm tsob ntoo trunks, feem ntau nyob ib leeg, txawm tias khub yuav noj ua ke. Lawv nyiam mus nrhiav zaub mov siab dua lub cev dua li cov ntoo peckers dub, tab sis lawv ua tib yam los ntawm kev tshem cov tawv ntoo los ntawm cov ntoo tuag thiab tuag ntoo kom tau zaub mov. Tus cwj pwm no feem ntau nthuav tawm lawv qhov chaw nyob hauv cheeb tsam.

Nyob zoo ib tsoom phooj ywg

Tib khub niam txiv tuaj yeem nyob ua ke ntau tshaj ib lub caij. Qhov chaw zes yog qhov khoob hauv tsob ntoo, feem ntau yog cov ntoo uas tuag, qee zaum aspen, lwm tsob ntoo nyob, lossis tus ncej. Lub hollow, uas ob leeg noog nyob rau hauv khub npaj txhua txhua xyoo, nyob rau hauv raws lifeem ntau ntawm qhov siab ntawm ib thiab ib nrab mus rau plaub thiab ib nrab meters, qee zaum siab dua. Cov noog laus feem ntau tsis saib xyuas ze ze lawv lub zes, tsis quav ntsej cov neeg soj ntsuam.

Lub zes yog kab nrog cov chips sab laug tom qab hollow tawm lub hollow. Peb-toed woodpeckers tsis ntxiv lwm yam txaj rau ntawd. Ob leeg txiv neej thiab poj niam feem ntau incubate 4 qe rau 12-14 hnub. Cov me nyuam qaib tshwm ib los ntawm ib qho. Cov txheej txheem no tuaj yeem siv sijhawm plaub hnub. Ob leeg niam txiv pub cov me nyuam qaib, uas tawm hauv lub zes tom qab 22-26 hnub. Cov txiv neej thiab poj niam tuaj yeem faib cov tub, txhua tus ntawm lawv siv ib nrab ntawm cov menyuam qaib thiab saib xyuas lawv rau 4-8 lub lis piam. Raws li txoj cai, peb-toed woodpecker tsuas muaj ib tug menyuam thaum lub xyoo.

Kev noj haus

Cov kab mob ntawm cov kab kab, tshwj xeeb tshaj yog cov kab kab, yog cov tsiaj nyeg tshaj plaws ntawm Asmeskas peb-toed woodpecker. Lawv kuj noj lwm yam kab thiab txiv hmab txiv ntoo me me.

migration status

Txawm hais tias muaj peb-toed woodpeckers nyob hauv ntau thaj chaw thiab tsis muaj kev tsiv teb tsaws chaw li niaj zaus, lawv tseem yog neeg nyob rau qee qhov thiab tuaj yeem txav mus rau thaj chaw uas raug hluav taws kub lossis kab tsuag kab. Nws tseem yuav tsum tau muab sau tseg tias cov noog no tsis tshua muaj siab rau hluav taws ntau dua li cov ntoo peckers dub. Ornithologists kuj tseem nco txog tus neeg mob thaum cov noog no ya mus rau thaj chaw qis qis thaum lub caij ntuj no.