An Eastern Bluebird family of four has been noted along the Pennsylvania-Maryland border.Such a sighting is fairly common in open woods and farms.Bluebirds,which are cavity nesters,stay in the Mid-Atlantic region year-round.It's probably the parents and their two young of the year.
The three bluebird species of North America are some of the most popular birds.There are Western and Mountain Bluebirds as well as Eastern.You really can't mistake them for anything else.As Thoreau noted,they carry the sky on their backs.On a cloudy day,however,they may well go undetected by humans rushing around.Their plumage isn't so obvious in low light conditions.
At this time of year,the bluebird family is looking for berries to eat,as insects are in short supply.The little Asian pears,which are just pits covered by a very thin layer of fruit,are also sustaining them.Their two-note call is often given on the wing.
Building a trail of bluebird boxes has become one of the leading scout and nature center projects.
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