Ntiaj teb dav dawb hau yog ib tug noog loj heev nrog lub taub hau dawb, zoo ib yam li dav dawb hau. Eagle yog ib tug predator. Tus neeg sawv cev ntawm tsev neeg hawk no nyob hauv North America. Hauv Tebchaws Meskas, tus noog uas nyiam kev ywj pheej no yog ib lub cim ntawm lub tebchaws. Daim duab stylized ntawm ib tug dav dawb hau adorns lub tsho tiv no ntawm caj npab ntawm lub tebchaws United States, minted rau ntau npib.
Nyob taub hau dawb no zoo li tus eagle li cas?
Zoo li eagles, cov raptors loj no nce siab saum av, ua rau tsis tshua muaj mob stroke. Thiab qhov loj, tus noog no nrog lub taub hau dawb zoo ib yam li dav dawb hau: qhov nruab nrab lub cev ntev ntawm tus txiv neej ncav cuag 81 cm, thiab lub tisspan yog ob meters (rau kev sib piv, nws yuav tsum tau muab sau tseg tias lub cev ntev ntawm ib tug dav dawb hau yog 75. -88 cm, thiab wingspan yog me ntsis loj dua li ntawm eagles - 2.4 m). Cov poj niam eagles feem ntau yog me ntsis loj dua cov txiv neej: lawv qhov hnyav piv yog 4.1 kg: 5.4 kg. Thiab nrog ib tug nuv-shaped beak, khoov mus rau thaum kawg, tus noog no nrog lub taub hau dawb zoo li tus dav dawb hau, thiab ntau yam ntawm nws tus cwj pwm. Txawm tias eagle zes, zoo li eagle, ntawm cov ntoo siab lossis pob zeb, soars nyob rau saum huab cua ntev li ntev tau saibprey, ces tawm tsam tej tsiaj me, uas yog nqa tawm nyob rau hauv claws mus rau ib tug secluded qhov chaw los yog mus rau lub zes rau pub cov me nyuam. Precisely nyob rau hauv thiaj li yuav tho tus prey thiab deftly cling rau nws, tuav nws nyob rau hauv cov huab cua ntawm ya, feathered predators muaj zog tsim claws nyob rau hauv lub hind ntiv taw. Qee zaum ob hom tsiaj ntawm cov tsiaj no kuj pub rau carrion, thiab feem ntau saib xyuas cov tsiaj los ntawm saum toj no, zaum saum lub pob zeb lossis saum ntoo loj. Tab sis tseem, feem ntau koj tuaj yeem pom cov phiaj xwm zoo nkauj ntawm cov noog uas tsis txaus ntshai no.
Nyob zoo ib tsoom niam txiv kwv tij phooj ywg sawv daws
1. Plumage
Yog eagle muaj plumage yuav luag tib xim - grey lossis xim av, ces tus dav dawb hau yog ib tug noog dub nrog lub taub hau dawb. Lub sab sauv ntawm lub caj dab thiab lub caj dab-zoo li tus Tsov tus tw yog dawb nyob rau hauv lub bald dav dav dawb hau. Kuj tseem muaj qhov sib txawv ntawm lub plumage ntawm ob txhais ceg: nyob rau hauv eagles, lub paws yog kiag li, yuav luag rau cov ntiv tes heev, npog nrog plaub, thaum nyob rau hauv dav dav - tsuas yog ib nrab.
2. Eyebrows
eagles yog qhov txawv ntawm kev loj hlob nyob rau saum pob muag. Overgrown nrog plaub, lawv muab cov tsos ntawm ib tug formidable, frowning qhia.
3. Interestingly, qhov ntau ntawm cov ntoo ntawm lub ntsej muag dav dawb hau lub suab yog dav heev: qee zaum lawv muaj lub suab nrov nrov, nco txog lub suab ntawm "ceev-kick-kick-kick", thiab qee zaum lawv zoo li croak hoarsely, pronouncing lub suab " r" tsis meej. Bald eagles nyiam nyob ze rau lub cev dej uas muaj ntses ntau, vim qee zaum lawv tsis mloog lawv cov zaub mov txawv nrog cov ntses loj.
4. Nws yog lub npe hu hais tias ua ntej bald eagles kuj muaj nyob rau hauv Russia, lawv tsuas yog nyob rau ntawm ntug dej hiav txwv ntawm Bering Island. Cov tsev kawm ntawv ntawm spawning salmon nyiam lawv yooj yim thiab noj zaub mov zoo.
Bald Eagle Subspecies
- Qhia qhov txawv ntawm sab qab teb ntawm cov dav dawb hau, Leucocephalus, me dua, nrog lub tis ntev txog 53 centimeters hauv cov poj niam thiab 57.6 centimeters hauv cov txiv neej. Lawv nyob rau sab qab teb ntawm North America txog li 38 degrees sab qaum teb latitude.
- Sab qaum teb subspecies ntawm bald eagle, Washingtoniensis yog ib tug noog loj nrog lub taub hau dawb. Hauv cov poj niam ntawm sab qaum teb subspecies, tis ntev tuaj yeem yog 59 centimeters (qhov nruab nrab ntawm 6 centimeters ntau dua li ntawm lawv cov txheeb ze yav qab teb), thiab cov txiv neej tuaj yeem muaj tis ntev ntawm 66 centimeters. Cov noog no tuaj yeem nrhiav tau ntawm thaj av loj sab qaum teb ntawm 38th parallel.
