Bluebird and Small Cavity Nester Conservation
Sialis - Bluebirds and other small cavity nesters


Unusual Nest Sites

Cavity nester photos of nests eggs and young

Cavity Nester Nests, Eggs and Young Photos and Bios. Also see Nest ID Matrix (contents) and Egg ID Matrix (color, spots, etc.)

Mailbox Bluebird nest. Photo by Rob Barron.

An Eastern bluebird built a nest in the newspaper compartment of the mailbox on the right, located on a horse farm. The nest contained five eggs. Photo by Rob Barron of VA.

Nest in newspaper holder. Photo by Rob Barron.
Bluebirds nesting in elecrtical meter box. Photo by Keith Kridler.  

Two separate bluebird nestcups in the base of an electrical meter. Photo by Keith Kridler of TX.

Other unusual locations: Larry Joplin of MO said that in 2007, bluebirds were feeding young in a nest above the door of a building under construction in MO. In 2008, a person reported a EABL nest under a bridge in a Cliff Swallow nest in northeastern OK. In 2008, a person in east-central Oklahoma reported an active EABL nest under a pavilion in an old Barn Swallow nest.

EABL nesting in pipe. Photo by Keith Kridler.   An Eastern Bluebird nesting in a sign post, with the entrance about 24" off the ground. They nested in the same spot last year. The traffic is unbelievable here. Keith used to have nestboxes here, but they were removed to make way for road construction for a new Wal-Mart SuperCenter. House Sparrows are everywhere in this area. Photo by Keith Kridler of TX.
Carolina Wren nesting in a motorcycle helmet. Photo by Bet Zimmerman  

A Carolina Wren nesting in a motorcycle helmet in my friend's garage. Photo by Bet Zimmerman. See more photos of Carolina Wrens, and information about their nesting biology.


Violet-green swallow nesting in sailboat boom.  Photo provided by Malcolm Rodin.   A Violet-green Swallow nesting in a sailboat boom. Photo provided by Malcolm Rodin.

    The student of Nature wonders the more and is astonished the less, the more conversant he becomes with her operations; but of all the perennial miracles she offers to his inspection, perhaps the most worthy of admiration is the development of a plant or of an animal from its embryo.
    -Thomas Henry Huxley, British biologist and educator. Reflection #54, Aphorisms and Reflections, selected by Henrietta A. Huxley, Macmillan, 1907.

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May all your blues be birds!

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Last updated March 24, 2016. Design by Chimalis.