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Eastern Bluebird (Sialia sialis)

Sialia sialis

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Western Bluebird at nest box

Nest Cavities - Book Early

February 27, 2022 Tree Swallows and bluebirds — like this Western Bluebird — are among the earliest northbound migrants to arrive, heralding spring a month before the equinox. These species will nest only in cavities, such as old woodpecker holes or man-made nestboxes. But the supply of specialized nest
Eastern Bluebirds at a nest box - one bird inside looking out, the other perched outside at the entrance.

Bluebirds Close to Home

December 15, 2021 Bluebirds can bring flashes of azure color and mellow songs to where you live. The best way to bring them close to home is with nest boxes. You’ll need an untreated wood box with a one-and-a-half inch hole five feet above the ground. Finding the right place for the nest box is important
A juvenile Willow Flycatcher perched amidst greenery in partial sunlight

Catching Insects

November 15, 2021 Birds that depend on flies for food have many creative ways of catching their prey. Swallows execute sharp turns and quick changes of speed. Bluebirds watch from a perch, pouncing when the time is right. A Chuck-will’s-widow flies with its scoop-like mouth wide open, engulfing moths and
Black-capped Chickadees in nestbox

Clean Nestboxes in October

October 28, 2021 It’s a wistful moment when your backyard birds — like these Black-capped Chickadees — depart their nestboxes. By October, it’s time for one last duty as nestbox landlord: to clean it out. Cleaning will reduce the incidence of parasites in the box and make it more inviting to next spring’s
Tree Swallow

Birds Return with the Light

March 8, 2019 Winter's weak light is finally beginning to strengthen, and some birds, long absent, have begun their journeys north. Tree Swallows, such as this one, phoebes, bluebirds, and more return with the light. So be of good cheer, the birds and spring are coming back. You can learn more about
Eastern Bluebird

Voices and Vocabularies - Eastern Bluebirds

March 22, 2017 A male Eastern Bluebird stands on a wooden nestbox attached to a fence post. The bluebird’s song – and his alert presence - assert his claim to this territory. In the mid-20th Century, the numbers of bluebirds in the Northeast declined to the lowest level ever, due largely to nesting
Mountain Bluebird

Why Are Bluebirds Blue?

March 26, 2015 Why are bluebirds blue? Unlike many other bird colors, blue is not a pigment but a color produced by the structure of the feathers. Tiny air pockets and melanin pigment crystals in each feather scatter blue light and absorb the other wavelengths. The even finer structure of the feather
Robert Otto and a Bluebird nesting box

Robert Otto Loves Bluebirds

June 7, 2013 For 30 years, Robert Otto (pictured here) has been putting up nest boxes for bluebirds near his home in northern Michigan. A retired mechanical engineer, Robert has designed and built nest boxes that are easy to maintain and make it simple to check for eggs and fledglings. There are now
Eastern Meadowlark

Restoring Prairies for Grassland Birds

May 23, 2013 Thanks to Tom Vanderpoel and Citizens For Conservation, grassland birds like this Eastern Meadowlark are benefiting from expanded habitat in northeast Illinois, where volunteers are restoring native prairies. In autumn, volunteers collect seeds from restored grasslands. In spring, they
Eastern Bluebirds

Rita Shultz - Friend to Bluebirds

February 26, 2013 Rita Shultz, a rural mail carrier outside of Richmond, Virginia, says, "Every person's yard is an important bird area!" When Rita discovered that Eastern Bluebirds were nesting in some of the newspaper delivery boxes on her route – and that many customers were throwing the nests out – she

Sights & Sounds

Birds connect us with the joy and wonder of nature. By telling vivid, sound-rich stories about birds and the challenges they face, BirdNote inspires listeners to care about the natural world – and take steps to protect it.

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