Troglodytes hiemalis
This tiny North American bird breeds in coniferous forests and migrates south, sometimes as far as north-eastern Mexico, for winter. It can remain in moderately cold and even snowy climates.
Its movements as it creeps or climbs are incessant rather than rapid; its short flights swift and direct but not sustained, its tiny round wings whirring as it flies from bush to bush.
At night, usually in winter, it often roosts in dark retreats, snug holes and even old nests. In hard weather it may do so in parties, either consisting of the family or of many individuals gathered together for warmth.
For the most part insects and spiders are its food, but in winter large pupae are taken and some seeds.
At breeding time, the male builds a small number of nests. These are called "cock nests" but are never lined until the female chooses one to use.
Identification of the Winter Wren is often achieved by its long and exuberant song.
Click here to hear a sample: http://www.youtube.com/watch?v=jo0QVThca3U
[All text: Ref (51)]
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