Tus noog twg muaj plaub dub thiab dawb?
Tus noog twg muaj plaub dub thiab dawb?

Video: Tus noog twg muaj plaub dub thiab dawb?

Video: Tus noog twg muaj plaub dub thiab dawb?
Video: Tus Cawm Seej Hloov Neeg Txoj Hmoo (HD) - YouTube 2024, Lub peb hlis ntuj
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Dub xim noog nrog cov plaub dawb ntawm tus Tsov tus tw (Gracle?) - FeederWatch.

Ces, hom noog twg muaj plaub dub thiab dawb?

Dub thiab dawb Warblers yog qhov nruab nrab-qhov loj me warblers (me me songbirds). Lawv muaj ib tug ntev ntev, me ntsis downcurved daim nqi. Lub taub hau feem ntau tshwm me ntsis tiaj tus thiab streamlined, nrog lub caj dab luv. Cov tis ntev thiab tus Tsov tus tw yog luv.

Ib yam li ntawd, koj yuav txheeb xyuas tus noog plaub li cas? Sab hauv tis plaub (secondaries) kuj nkhaus; tus ncej yog nyob ze rau qhov chaw ntawm lub plaub , thiab lub taub hau yog squarish. Sab nrauv plaub , zoo li lub tis sab nrauv plaub , yog asymmetrical nrog nqaim nqaim ntug, thiab lub ncej muaj me ntsis S-puab nkhaus.

Hauv qhov no, Blackbirds puas tuaj yeem muaj cov plaub dawb?

Dawb blackbirds . Cov noog dub zoo li qee cov noog feem ntau cuam tshuam, tab sis qhov ntawd tej zaum yuav yog vim lawv yog cov noog vaj uas nws yooj yim pom cov noog. plaub dawb . Qee cov noog muaj tsuas yog ib lossis ob plaub dawb , thaum lwm tus ua tau ua dawb tag nrho los yog npog nrog loj dawb blotaws.

Tus noog twg muaj cov plaub dub thiab daj?

American Goldfinch (saum toj no) Cov neeg nrog tsis muaj kev tuav pov hwm daj tseem tuaj yeem txheeb xyuas los ntawm cov tis. Tag nrho cov drab-bodied American Goldfinches tseem muaj feem ntau dub tis nrog ib tug tuab, buffy bar thiab dawb edging ntawm lub davhlau plaub.

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