heuglin 中文意思是什麼
heuglin
解釋
霍伊格林-
Adult winter heuglin ' s gull : note dark saddle, head streaking typically restricted to nape and “ collar ”, bright yellow legs ( which usually become a much duller yellow mid - winter ) and old primaries lacking white tips
灰林銀鷗成鳥冬羽：注意其鞍部羽色暗灰、頭部縱紋一般僅限於后頸及領部、腳鮮黃色（在冬季中期會變得較暗黃色） 、而且初級飛羽舊羽沒有白色羽尖。 -
Adult winter heuglin ' s gull : the primary moult begins much later than in other big gulls and progresses slowly through the winter, and moult limits can usually be seen into january - february of the following year ( p9 - 10 )
灰林銀鷗成鳥冬羽：初級飛羽換羽時間較其他種為遲而且整個冬季都在緩慢換羽，所以第二年一二月一般都還可以看到換羽的界限（ p9 - 10 ） 。 -
Big gulls have been absent here on several winter visits ( a late february visit last year produced up to 60, mostly heuglin ' s, gulls )
這個冬天最近幾次來這里觀鳥，都沒有看到黑脊鷗（去年二月的一次觀鳥行，看到約六十隻，大部分是灰林銀鷗） 。
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