After the "transients" among them have left, the "winter residents" that remain are the main focus of winter birdwatching. Although fewer species are present than in autumn, their populations are large. The sight of thousands of green-winged teal on a sandbar is particularly splendid.
隨著「過境鳥」的離去，留下來的「冬候鳥」是冬天賞鳥重點，種類雖然較秋季少，但是數量頗多，成千上萬隻小水鴨在沙洲上活動的景象，尤為精彩，大量小水鴨正是關渡被劃為「重要野鳥棲地」的指標性鳥兒。