...There are 6 (hummingbirds) to 32 (albatrosses) secondary feathers. The alula (bastard wing) is a feather attached to the first phalanges and consists of several small feathers. The wing coverts are feathers that cover the base of the flight feathers. There are upper coverts on the upper side and lower coverts on the lower side. The upper coverts are divided into primary, greater, middle and lesser coverts. ... *Some of the terminology that mentions "bastard wing" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…次列風切は6枚(ハチドリ)~32枚(アホウドリ)である。小翼羽alula(bastard wing)は第1指骨に付着している羽毛で,数枚の小型の羽毛から成る。雨覆(あまおおい)wing covertは風切羽の基部をおおっている羽毛で,翼上面の上雨覆と下面の下雨覆との区別があり,上雨覆は初列雨覆,大雨覆,中雨覆,小雨覆に分けられる。… ※「bastard wing」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
A general term for photography that uses silver sa...
It is a biennial or annual plant of the Brassicace...
A general term for glassware made in the Islamic c...
...They feed on grass, shrub leaves, fallen fruit...
...Shozo Motoki, who is considered the founder of...
Located in Reims, the sub-departmental capital of...
...A tall tree of the Bucconaceae family that can...
This is what we call hardware. A general term for ...
...A military chronicle. Also known as the Tale o...
…The order Sphenisciformes consists of only one f...
This is the theoretical magazine of the Central C...
…From the Neolithic to the Bronze Age in northwes...
… [Uveal Disorders] The uvea is a tissue that is ...
…A plain in Hokkaido that stretches across the no...
… The homeland of the Sveans (today's main pa...