Vịt Harlequin
Vịt Harlequin
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Vịt HarlequinLiên quan
Vịt Vịt quay Bắc Kinh Vịt Donald Vịt Donald trong phim hoạt hình Vịt siêu thịt Vịt Grimaud Vịt cỏ Vân Đình Vịt cổ xanh Vịt cỏ Vịt Triết GiangTài liệu tham khảo
WikiPedia: Vịt Harlequin http://www.arctic.uoguelph.ca/cpl/organisms/birds/... http://www.enature.com/fieldguides/detail.asp?recn... http://www.birds.cornell.edu/AllAboutBirds/BirdGui... http://www.birds.cornell.edu/clementschecklist/dow... http://nationalzoo.si.edu/SCBI/MigratoryBirds/Feat... http://www.mbr-pwrc.usgs.gov/id/framlst/i1550id.ht... http://www.bsc-eoc.org/organization/hardpopu.html http://www.iucnredlist.org/search/details.php/4722... http://www.adfg.state.ak.us/pubs/notebook/bird/har... https://web.archive.org/web/20061124234626/http://...