Nest parasitism by Eastern Bluebirds
is rare, but known hosts include Carolina Wren (Thryothorus ludovicianus), chickadees, and House Sparrows (Gowaty and Plissner 1998).
in juvenal plumage feed young of second brood.
Associations of anthropogenic activity and disturbance with fitness metrics of Eastern Bluebirds
First, it is possible that eastern bluebirds
do not select nest sites on the basis of microhabitat variables.
Nestboxes for Eastern Bluebirds
should have a round entrance hole measuring 1-1/2 to 1-9/16 inches in diameter, or a 1-3/8 x 2-1/4-inch vertical oval hole, or a 1-1/8 to 1-3/16 horizontal slot entrance.
In this study, we experimentally manipulated nest cavities to examine how varying the first nest-building experience of the season might affect the size of the subsequent nest for Eastern Bluebirds
1988, Czeszczewik and Walankiewicz 2003]; Eastern Bluebird
, Sialia sialis [Pitts 1998]; Western Bluebird, S.
Early in March, once the ground begins to thaw, Eagle Scout badge candidate Joseph Gorham of Troop 10 will oversee an installation of Eastern Bluebird
nesting boxes in the lower grassland.
Another thrush-family species, the Eastern bluebird
, is being seen more commonly - 31 were counted.
In addition to the trumpeter swan project, long standing bald eagle management efforts, a large eastern bluebird
and wood duck nest box program and peregrine falcon projects at the utility's Cobb and Campbell Plants help make Consumers Energy a very bird friendly business.
Seventeen percent of the 208 Eastern Bluebird
nests we monitored experienced total nest failure.
2) Joe Gorham, of Clinton Scout Troop 10, inspecting one of his Eastern Bluebird
nesting boxes on Rauscher Farm.
This is especially surprising given that (1) House Wrens do not toss cowbird eggs (Pribil and Picman 1997), and (2) cowbirds parasitize our Eastern Bluebird
nests in identical boxes (MTS, unpubl, data).
Species from previous WTFW patches featured on the collectible patch are: eastern bluebird
(1984); a red fox (1991); beaver (1995); and peregrine falcon (1996).
clutches nests depredated Eastern Bluebird
2009 15 0 2010 24 1 European Starling 2009 0 2010 0 House Sparrow 2009 0 2010 2 0 House Wren 2009 21 0 2010 18 2 Tree Swallow 2009 12 0 2010 43 1 Species No.