dabbling duck造句

• The hen's plumage is more subtle and subdued, with drab brown feathers similar to those of other female dabbling ducks.
• The downy young are coloured like in other dabbling ducks : brown above and yellow below, with a yellow supercilium.
• It is not as gregarious as some dabbling ducks outside the breeding season and tends to form only small flocks.
• It is a small dabbling duck, with bright reddish plumage on the male and duller brown plumage on the female.
• The other members of the Anatinae are the extinct moa-nalo, a young but highly apomorphic lineage derived from the dabbling ducks.
• Anatidae systematics, especially regarding placement of some " odd " genera in the dabbling ducks or shelducks, is not fully resolved.
• :In between them is the subfamily Tadorninae, shelducks and shelgeese considered an intermediate taxon between dabbling ducks and members of Anserinae.
• The "'Australian Wood Duck "'( " Chenonetta jubata ", female shown here ) is a dabbling duck found throughout much of Australia.
• Though pygmy geese have beaks like those of geese, they are more related to the dabbling ducks and other species called'ducks '.
• A female "'chestnut teal "'( " Anas castanea " ), a species of dabbling duck commonly found in southern Australia and Tasmania.
• Together they belong to a South American lineage which diverged early from the other dabbling ducks and may include the steamer ducks.
• Dabbling ducks that breed in prairie wetlands are losing ponds to climate change, and other wetlands are likely to dry up soon.
• The peculiar marbled duck, formerly tentatively assigned to the dabbling ducks, is thought to be a diving duck or even a distinct subfamily.
• A female "'chestnut teal "'( " Anas castanea " ), a species of dabbling duck commonly found in southern mainland Australia and Tasmania.
• The dabbling duck group, of worldwide distribution, was delimited in a 1986 study to include eight genera and some 50 60 living species.
• Dabbling ducks feed on the surface of water or on land, or as deep as they can reach by up-ending without completely submerging.
• They belong to separate ancient lineages that may ally either to the Tadorninae, Anserinae, or closer to the dabbling ducks ( Anatinae ).
• It is sometimes included in " Anas ", but it belongs to a South American clade that diverged early in dabbling duck evolution.
• To be able to submerge more easily, the diving ducks are heavier than dabbling ducks, and therefore have more difficulty taking off to fly.
• This species was formerly placed into the paraphyletic " perching duck " assemblage, but subsequently moved to the dabbling duck subfamily ( Anatinae ).