Thaum twg ntsuab tis teal migrate?

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Thaum twg ntsuab tis teal migrate?
Thaum twg ntsuab tis teal migrate?

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Video: Thaum twg ntsuab tis teal migrate?
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Lub caij nplooj zeeg tseem ceeb tsiv teb tsaws ntau tom qab, feem ntau Lub Kaum Hli mus txog rau lub Kaum Ob Hlis Ntuj Cov poj niam yuav tsiv mus rau sab qab teb me ntsis dua li txiv neej, qhov nruab nrab. Caij nplooj ntoos hlav tsiv teb tsaws pib ntxov, nrog cov khub niam txiv feem ntau taug kev sab qaum teb ua ke. Kev sib tw ntawm Green-tis ntawm Aleutian Islands, Alaska, feem ntau tsis yog tsiv teb tsaws.

ntsuab-tis teal migrate mus rau qhov twg?

Kev tsiv teb tsaws chaw los ntawm sab qaum teb North America hla txhua txoj kev loj-Pacific, Central, Mississipi, thiab Atlantic-kom ncav cuag lub caij ntuj no los ntawm ntug dej hiav txwv British Columbia mus rau sab qab teb mus rau Central America.

Npau suav teb nyob qhov twg?

Cov neeg Asmeskas ntsuab-tis teal caij ntuj no los ntawm sab qab teb Alaska thiab yav qab teb British Columbia sab hnub tuaj mus rau New Brunswick thiab Nova Scotia thiab sab qab teb mus rau Central America. Nws tseem caij ntuj no hauv Hawaii.

xiav tis teal migrate mus qhov twg?

Txawm tias qee tus siv lub caij ntuj no raws ntug dej hiav txwv ntawm yav qab teb Asmeskas, feem ntau tsiv mus rau Mexico lossis South America. Blue-winged teal muaj nyob rau hauv tag nrho plaub flyways, tab sis lawv muaj ntau tshaj nyob rau hauv Central thiab Mississippi flyways.

hnub twg teal migrate?

Lub Sijhawm Zoo Tshaj Plaws Ntawm Hnub Mus Yos Hav Zoov

Txhua tus paub teal swarm thaum thawj 30 txog 60 feeb ntawmtua lub teeb, tab sis txawm ducks li yooj yim xav li teal teb rau siab. Lawv yuav txav mus rau hauv cov kwj dej lossis cov hav dej, tom qab ntawd tig mus rau noj "yuav luag 10 mus rau 2 teev tsaus ntuj," Richard hais.

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