Birds of North AmericaEastern BluebirdSialia sialis
Life, Habitat & Pictures of the Eastern Bluebird
Written by: Bruce Di Labio French: Merlebleu de l’Est In North America 3 species of bluebirds occur, the most widespread of which is the Eastern Bluebird. The male with its bright deep-blue back and reddish brown breast is always an amazing sight in early spring as it contrasts with the remaining snow. Females are similar in colouring, but not as bright.
Its range covers most of eastern North America west to Arizona in the south and to south-east Alberta in the west. On most of its southern range it is a permanent resident but in the north a migrant.
Diet varies considerably depending on its range. Historically, Eastern Bluebird numbers have been gradually declining. This in part is due to the introduction of the European Starling in the 1890`s, which too, is a cavity nester. As a result there is competition for nesting holes. Fortunately during the 1960’s and 70’s Bluebird nesting boxes were erected in different parts of its range and these ``Bluebird trails`` have assisted in the comeback of the Eastern Bluebird.
The bluebird nests in a variety of habitats including farm country, open pine woods, burnt lands, orchids and open and sparse woods. In these natural settings the bluebird uses old woodpecker holes, cavities in trees, wooden fence posts and birdhouses.
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