Bluebird and Small Cavity Nester Conservation
Sialis - Bluebirds and other small cavity nesters
 
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Nest, Egg, Young and Adult Photos

Small Cavity Nesters: Learn to recognize birds, nests and eggs that may show up in Bluebird nestboxes.
Click on any thumbnail for a larger version. The photographer's name in listed in parentheses after each picture.
See Nests for a narrative description of nests and eggs, and Eggs for a table showing relative egg sizes.

SPECIES
Nest, Side View
Nestling
More
Adult
Bluebird, Eastern
EABL
Bio | Photos
BBS Map
Eastern bluebird nest. Bet Zimmerman photo
Eastern Bluebird Eggs.  Shelly Harris photo.
White Eastern Bluebird Eggs.  L. Solliday photo.
Nest and Egg ID: Image
Female Eastern Bluebird.  L. Solliday photo
Bluebird, Mountain
MOBL
Bio | Photos
BBS Map
Mountain Bluebird Nest.  Zell Lundberg photo.
Mountain bluebird eggs. Zell Lundberg photo.
Mountain Bluebird nestlings.  Zell Lundberg photo
Female Mountain Bluebird.  Zell Lundberg photo
Male Mountain Bluebird.  Zell Lundberg photo
Bluebird, Western
WEBL
Bio | Photos
BBS Map
Nest Western Bluebird nest.  Linda Violett photo
Western Bluebird eggs. Linda Violett Photo
Western Bluebird nestlings.  Earl Garrison photo
Western Bluebirds.  Wendy Shields photo
Western Bluebird Male - Wikimedia Commons photo

Chickadee, Black-capped
BCCH
Bio | Photos
BBS Map

Black-capped Chickadee nest.  Bet Zimmerman photo
Black-capped Chickadee nest with eggs.  Bet Zimmerman photo
Black-capped Chickadee nest with eggs and hatchlings.  Bet Zimmerman photo
Black-capped Chickadee nest with older young.  Bet Zimmerman photo
Black-capped Chickadee adult.  Bet Zimmerman photo
Chickadee, Boreal
BOCH
Chickadee Bio | Photos
BBS Map
Boreal Chickadee. Wikimedia Commons photo.
Chickadee, Carolina
CACH
Bio | Photos
BBS Map
Nest Carolina Chickadee on nest. Keith Kridler photo
Carolina Chickadee nestlings.  Keith Kridler photo
Adult Carolina Chickadee.  Ken Thomas, Wikimedia Commons
Chickadee, Chestnut Backed
CBCH
Chickadee Bio | Photos
BBS Map
Chestnut-backed Chickadee.  Wikimedia Commons photo
Chickadee, Mountain
MOCH
Bio | Photos
BBS Map
Nest Mountain Chickadee nest.  Claudia Daigle photo.
Mountain Chickadee nestlings.  Zell Lundberg photo
Mountain Chickadee adult.  Wikimedia Commons photo
Cowbird, Brown-headed
BHCO
Bio | Photos
Cowbird egg in bluebird nest. Lara Hampton photo
Cowbird nestling in Carolina Wren nest.  Keith Kridler photo
Cowbird nestling in Carolina Wren nest.  Elizabeth Young photo
Carolina Wren adult feeding Cowbird nestling.  D. Kinneer photo.
Female Cowbird.  Dave Kinneer photo
Eurasian Tree Sparrow
ETSP
Bio | Photos
Eurasian Tree Sparrow nest. John Curran photo
Eurasian Tree Sparrow eggs. John Curran photo
Eurasian Tree Sparrow adult male.  Photo in China by Kathy Haines
Flycatcher, Ash-Throated
ATFL
Bio | Photos
BBS Map
Ash-throated Flycatcher, photo by Zell Lundberg.
Nest Ash-throated Flycatcher eggs, photo by Zell Lundberg
Ash-throated Flycatcher eggs and nestling, photo by Zell Lundberg.
Ash-throated Flycatcher eggs and nestling, photo by P. Sharrar
Ash-throated Flycatcher adult, wikimedia commons photo
Flycatcher, Great Crested
GCFL
Bio | Photos
BBS Map
Great-crested Flycatcher nest, photo by Richard Harlow
Great-crested Flycatcher eggs, photo by Keith Kridler.
Great-crested Flycatcher nestlings, photo by Betsy Marie
Great-crested Flycatcher adult with fledgling, photo by Richard Hodder
Great-crested Flycatcher adult, photo by Betsy Marie
House Finch
HOFI
Bio | Photos
House Finch adult male, Wikimedia commons photo
House Finch adult female, Wikimedia Commons photo

House Sparrow
HOSP
Bio | photos and more photos.
BBS Map

House Sparrow nest, photo by Bet Zimmerman
House Sparrow eggs, photo by Bet Zimmerman
House Sparrow nestlings, various ages, photo by Bet Zimmerman
House Sparrow nest, tunnel entrance more common in larger nestboxes, photo by Bet Zimmerman
House Sparrow adult female.  Photo by Dave Kinneer.
Nuthatch, Brown-Headed
BHNU
Nuthatch Bio | Photos
BBS Map
  • BHNU: nest and eggs
Now Loading
BHNU: 2 day nestlings
BHNU: 16 day nestlings
BHNU: at box
Brown-headed Nuthatch.  Wikimedia commons photo
Nuthatch, Pygmy
PYNU
Nuthatch Bio | Photos
BBS Map
Pygmy Nuthatch nestlings, photo by Linda Violett
Pygmy Nuthatch - juvenile?  Wikimedia Commons
Pygmy Nuthatch adult, Wikimedia Commons photo
Nuthatch, Red-breasted
RBNU
Nuthatch Bio | Photos

Red-breasted Nuthatch adult, Wikimedia Commons photo

Nuthatch, White-breasted
WBNU
Bio | Photos
BBS Map
White-breasted Nuthatch nest.  Bet Zimmerman photo
White-breasted Nuthatch eggs. Photo by Bet Zimmerman.
White-breasted nuthatch nestlings. Bet Zimmerman photo
White-breasted Nuthatch nestlings, 11 days old. Paul Murray Photo
White-breasted Nuthatch adult at feeder.  John Beaudette photo
Purple Martin
PUMA
Bio | Photos
BBS Map
Purple Martin adult. Wikimedia Commons photo
Prothonotary Warbler
PROW
Bio | Photos
BBS Map
Prothonotary Warbler nest. Photo by Robert Peak
Prothonotary Warbler eggs. Photo by Larry Broadbent
NestProthonotary Warbler nestling. RP
Prothonotary Warbler adult in breeding plumage.  Photo by Robert Peak
Starling, European
EUST
Bio | Photos
Starling nest (unfinished). PHoto by Bet Zimmerman
starling egg relative to robin egg. photo by Bet Zimmerman
Starling nestlings.  Photo by Bet Zimmerman
Starling juvenile/winter plumage.  Photo by Wendell Long
Nest Starling adult. Photo by Bet Zimmerman

Swallow, Tree
TRES
Bio | Photos
BBS Map

Tree Swallow nest, side view, adult on nest.  Photo by Bet Zimmerman
Tree Swallow eggs, top view.  Newly laid eggs may have pinkish tint.  Photo by Bet Zimmerman
Tree Swallow hatchlings.  Photo by Bet Zimmerman
Tree Swallow nest with fecal material, after successful fledging.  Photo by Bet Zimmerman
Incubating female Tree Swallow on nest. Photo by Bet Zimmerman
Swallow, Violet-Green
VGSW
Bio | Photos
BBS Map
Violet-Green Swallow nest, photo by Zell Lundberg
Violet-green Swallow egg.  Photo by Zell LUndberg.
Violet-green Swallow nestlings.  Photo by Zell  Lundberg
Violet-green Swallow adult. Photo Wikimedia Commons
Titmouse, Bridled
Bridled Titmouse adult. Wikimedia Commons photo
Titmouse, Juniper
JUTI
Titmouse Bio | Photos
BBS Map
Juniper Titmouse nest wtih egg.  Zell Lundberg photo
Juniper Titmouse nest, top view, photo by Zell Lundberg
Juniper Titmouse nestlings, photo by Zell Lundberg
Juniper Titmouse adult, Wikimedia Commons photo
Titmouse, Oak
OATI
Titmouse Bio | Photos
BBS Map
Oak Titmouse adult, Wikimedia Commons photo
Titmouse, Tufted
TUTI
Titmouse Bio | Photos
BBS Map
Tufted Titmouse nest, Bet Zimmerman photo
Tufted Titmouse eggs, Bet Zimmerman photo
Tufted Titmouse nestlings, Bet Zimmerman photo
Tufted Titmouse nest in Zuern box, Bet Zimmerman photo
Tufted Titmouse adult, Pam photo
Wren, Bewick's
BEWR
Bio | Photos
BBS Map
Nest and Egg ID: Image
My Gallery: Image
Nest and Egg ID: Image
Wren, Carolina
CARW
Bio | Photos
BBS Map
Nest Carolina Wren nest on propane tank, Bet Zimmerman photo
Carolina Wren eggs, Bet Zimmerman photo
Carolina Wren nestlings, Karen Ouimet photo
Carolina Wren nest in shoe.  Bet Zimmerman photo
Adult Carolina Wren feeding juvenile.  Dave Kinneer photo
Wren, House
HOWR
Bio | Photos
BBS Map
Nest and Egg ID: Image
Nest and Egg ID: Image
Nest and Egg ID: Image
Nest and Egg ID: Image
Nest and Egg ID: Image
Mice
Info
Mouse nest in nestbox.  Bet Zimmerman photo
Female mouse (deer? white-footed?) nursing young in nestbox.  Bet Zimmerman photo
Mouse nest in nestbox. Bet Zimmerman photo
Adult mouse jumping out of nestbox.  Bet Zimmerman photo
Squirrels, Red
Info on Red Squirrels
Red Squirrel nest in bluebird box.  Bet Zimmerman photo
Red Squirrel juvenile.  Wikimedia Commons photo JJM
Adult Red Squirrel.  Bet Zimmerman photo
Squirrel, Flying
Info
Flying Squirrel nest/roost in large two-hole bluebird box.  Bet Zimmerman photo
Flying Squirrel nest/roost in large two-hole bluebird box.  Bet Zimmerman photo
Flying Squirrel nest/roost in regular bluebird box  in Tennessee.  Bet Zimmerman photo
Flying Squirrel.  Keith Kridler photo

Also see: What Bird (adult bird ID - browse by location, shape, color, etc.)

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.)


Always keep in mind that the nestboxes you build, install and monitor today, may well be your very real connection to friends and loved ones long after you are gone.
- David Gwin, Bluebird_L, 2006
 
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May all your blues be birds!

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Photo in header by Wendell Long.
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Last updated May 3, 2012. Design by Chimalis.

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