雁鴨類 的英文怎麼說
中文拼音 [yànyālèi]
雁鴨類
英文
wild goose and ducks-
This survey also discovered 3 white pelicans, about 10, 000wild geese and ducks include green - winged teal, eurasian wigeon, spotbill duck and mallard ; and also 5, 000 plovers and curlews like eurasian curlew, dunlin, rufous - necked sandpiper, kentish plover and black - bellied plover ! con the other hands, a flock of about 1, 000 swan geese anas cygnoides was discovered in wenling town at minjiang estuary on 8 january 2003
是次調查還發現3頭白鵜鶘，綠翅鴨赤頸鴨斑嘴鴨綠頭鴨等雁鴨類約1萬頭;白腰杓鷸黑腹濱鷸紅胸濱鷸環頸灰斑Phylogenetic analysis surports that anseranas should be placed in monotypic family anseranatidae, and the whistling ducks and the white - backed duck should be separated from subfamily anserinae and placed them into family dendrocygnidae. the family anatidae could be classified into two subfamilies, anserinae and anatinae. the results approve that the swans should be put into the tribe cygnini of subfamily anserinae as suggested by livezey ( 1996, 1997b ) and the shelducks should be placed in the tribe tadornini of subfamily anatinae, therefore, our results do not support sibley and ahlquist ' s ( 1990 ) establishment of the subfamily cygninae and placing the shelducks in the tribe anserini
研究結果表明： 1 ）雁形目鳥類12srrna基因有較多的堿基插入和缺失，堿基轉換數高於顛換數； 2 ）贊同將鵲鵝（ anseranas ）置於鵲鵝科（ anseranatidae ）中，樹鴨（ dendrocygna ）應從雁亞科（ anserinae ）中獨立出來設立樹鴨科（ dendrocygnidae ） ，白背鴨（ thalassornis ）隸屬于樹鴨科； 3 ）鴨科（ anatidae ）可分為雁亞科和鴨亞科（ anatinae ） 2個亞科，不贊同sibley & ahlquist （ 1990 ）設立天鵝亞科（ cygninae ）及將麻鴨歸入雁族（ anserini ）的觀點，支持livezey （ 1996a ， 1997b ）的觀點建議將天鵝類歸為雁亞科天鵝族（ cygnini ） ，麻鴨置於鴨亞科下麻鴨族； 4 ）在鴨亞科內的系統發生上，潛鴨最早分歧出來，麻鴨、海中文摘要鴨及棲鴨彼此iaj的親緣關系較近；河鴨族為一單系發生群，在系統演化中形成獨立的一支。During april - july each year, over a hundred thousand birds such as wild geese, cormorants, swans and ducks, migrate over from south china and southeastern asia onto this small island with less than one square kilometre
在不到一平方公里的小島上，聚集來自中國南方及東南亞的十萬多隻各類候鳥，主要有斑頭雁魚歐天鵝及鴨類等。So far, the quality of the water of the summer palace can reach the high level, therefore, visiters can see wild duck, wild goose, etc
目前，頤和園的水質已達到二級，因此遊客還能見到野鴨、鷗鷺、大雁等許多珍稀鳥類。Scolopacidae, ardeidae and anatidae are the common migrants in winter, while laridae love to live here in summer
魚瘟區冬季以鷸行鳥科、鷺科、雁鴨科為主，夏季則常有鷗科鳥類出現。分享友人