Nyob deb migrant. Feem ntau cov shovelers tsiv teb tsaws chaw me me thaum hmo ntuj thiab nruab hnub los ntawm nruab nrab thiab sab hnub poob ntawm Teb Chaws Asmeskas
tus shoveler qaum teb tsiv mus nyob qhov twg?
Npaj shovelers qaum teb yog migratory heev thiab cov noog los ntawm North America tsiv mus rau South America thiab Central America rau lub caij ntuj no. North European shoveler noog tsiv mus rau sab qab teb mus rau Africa rau lub caij ntuj no. Cov noog los ntawm North Asia tsiv mus rau Indian Subcontinent, East Asia, thiab Southeast Asia rau lub caij ntuj no.
Pob shovelers sab qaum teb dhia dej?
Forages feem ntau yog ua luam dej maj mam mus rau pem hauv ntej nrog daim nqi skimming saum npoo los yog nrog lub taub hau ib nrab submerged, feem ntau swinging daim nqi ntawm ib sab mus rau sab raws li nws sifts zaub mov los ntawm cov av nkos. Seldom up-ends, tsis tshua muaj dhia, seldom feeds on land.
tus shoveler sab qaum teb sai npaum li cas?
Cov kws tshawb fawb USGS pom tias qhov nruab nrab ntawm kev tsiv teb tsaws tau nrawm dua rau cov mallard loj dua (82.5 km h-1), qaum teb pintail (79.0 km h-1), thiab gadwall (70.6 km h-1), dua li tus me me sab qaum teb shoveler ( 65.7 km h-1), cinnamon teal (63.5 km h- 1), thiab American wigeon (52 km h- 1).
Dab dab tsi yog tus shoveler qaum teb?
Tej zaum qhov txawv tshaj plaws ntawm qhov txawv ntawm tus dabbling ducks Ua tsaug rau nws daim ntawv loj diav zoo li tus, Northern Shoveler busily forages head down in the ntiav wetlands. Nws cov ntawv zoo li tus kheej muaj qhov sib xyaw ua ke raws nws cov npoo, uas lim tawm cov crustaceans me me thiab cov noob los ntawm dej.
