House Wren

House Wren

Musical, furtive, and busy.  Common throughout the US and southern Canada in summer; more southerly range in winter; year-round throughout central and South America.  Small, brown and stout, with a long curved bill and short, often drooped wings; dark barring on wings an tail.   Uses a wide variety of habitats that include trees and dense vegetation; often use buildings for nests.   Insect eater.  Aggressively defend and invade nest holes, including nest boxes; often build multiple nests.  May place spider egg sacs in nest to help control parasites.  Lifespan up to 9 years.  Population ~ 50 million and increasing.


Posted on

January 24, 2015