Try these curated collections

Eastern Bluebird (Sialia sialis) male perched on stump with green bokeh background
Male Eastern Bluebird (Sialia sialis) on a perch with a green background
Male Eastern Bluebird Perched on Birdbath in Louisiana Winter With American Holly Tree Branches in Background
Bluebird watercolor illustration. Tiny bird wih blue feathers. Hand drawn realistic north america avian. Beautiful songbird element. Eastern bluebird single close up image on white background.
Eastern Bluebird (Sialia Sialis) male in flower garden, Marion County, IL
Male Eastern Bluebird Feeding Female on Nesting Box
Eastern Bluebird (Sialia sialis) male in Eastern Redbud (Cercis canadensis) in spring, Marion, Illinois, USA.
Male Eastern Bluebird (Sialia sialis) on a stump with a green background
Male Eastern Bluebird perched with an insect in its beak on a warm summer evening.
Eastern Bluebird Perched on Tree Branch
Eastern bluebird male on fence post near flower garden Marion County, Illinois
Male and Female Eastern Bluebird
Eastern Bluebird (Sialia sialis) on a perch - Isolated on a white background
An Eastern Bluebird (Sialia sialis) perched on a fence post holding an injured leg close to its body.
Bird of Spring vector
Bird species hand drawn set. Vector isolated flying pigeon, swallow, sparrow, robin, starling, blue tit, lark, northern cardinal, oriole, american goldfinch, eastern bluebird. Linear engraved art.
Male Eastern Bluebird with puffed feathers sits on branch with blurred forest background                              , profile view
Bluebird on blooming hellebore pink flower watercolor illustration. Realistic floral spring image Isolated on the white background. Eastern sialia bird with tender spring flowers and green leaves.
Male Eastern Bluebird Side Profile
Missouri State Symbol. Eastern Bluebird. Vintage Logo
Beautiful male Eastern Bluebird (Sialia sialis) portrait perched against clean muted background in the spring
Pair of Eastern Bluebird (Sialia sialis) on a log with nesting material
Eastern Bluebird Male and Female on Branch
Eastern Bluebird (Sialia sialis) male and female on fence post near flower garden, Holmes, Mississippi, USA.
Male Eastern Bluebird Perched on Ready to Bloom Apple Tree Branch in Spring on Green Background
Flying Bluebird Isolated on White Background
Male Eastern Bluebird (Sialia sialis) on a fence with Dandylion flowers and pink azalea flowers
Eastern Bluebird
Male Eastern Bluebird (Sialia sialis) in flight
An adult male Eastern Bluebird (Sialia sialis) perched on a fence post at the edge of a field.
eastern bluebird on birdhouse
Eastern Bluebird (Sialia sialis) male on fence post Marion County, Illinois
Male Eastern Bluebird (Sialia sialis) in flight
Eastern Bluebird
Cardinals meet the Bluebirds
eastern bluebird,flat style, front view
Male Eastern Bluebird Eating Holly Berries
An Eastern Bluebird perched on a tree limb with a green background.
Eastern Bluebird (Sialia sialis) on a stump - Isolated on a white background
Eastern Bluebird Perched on Pussy Willow Branch
Male Northern Cardinal and Male Eastern Bluebird Perched on Backyard Feeder
Male Eastern Bluebird Perched on Post
Male Eastern Bluebird (Sialia sialis) on a perch with a green background
Bluebird Diving Into Birdbath
Eastern Bluebird
Eastern Bluebird (Sialia sialis) male on fence post in flower garden, Marion, Illinois, USA.
Male Eastern Bluebird (Sialia sialis) in an apple tree with flowers
Male Eastern Bluebird (Sialia sialis) feeding his hungry baby
vector Eastern Bluebird isolated illustration
Bluebird sitting on a branch watercolor illustration. Eastern sialia small songbird on a tree. Isolated on the white background.
Eastern Bluebirds Beak to Beak
Male Eastern Bluebird (Sialia sialis) with his baby
North Carolina Bluebird with wings fully open
Male and Female Eastern Bluebirds on Birdbath
Male  Eastern Bluebird with Open Wings
Eastern Bluebird (Sialia sialis) nest with eggs hatching
Male Eastern Bluebird (Sialia sialis) in a Dogwood tree with flowers
Male Eastern Bluebird (Sialia sialis) in a Dogwood tree with flowers

Search for "eastern bluebirds" in these categories

Grumpy Little Bluebirds
Male Eastern Bluebird Perched on Twig
 Male Eastern Bluebird
Pair of Eastern Bluebird (Sialia sialis) by a nest hole
Eastern Bluebird in Flight on Dark Green Background
Eastern Bluebird (Sialia sialis) male on fence post near flower garden, Marion, Illinois, USA.
Beautiful watercolor illustration of Eastern bluebird isolated on white background. Could be used for postcards/prints/t-shirts/ books etc
bluebird vector illustration,flat style, profile side
The eastern bluebird is a small thrush found in open woodlands, farmlands, and orchards. It is the state bird of Missouri and New York. This species measures 16–21 cm long, spans 25–32 cm across the w
Bluebird sitting on blooming weigela pink bush watercolor illustration. Eastern sialia bird among tender spring flowers with green leaves. Isolated on the white background.
Bluebirds and Female Northern Cardinal Enjoying a Cooling Bath on a Hot Louisiana Day
Two bluebirds on a bird house in a public park with blurred trees in background
Male Eastern Bluebird Perched on Wire
Male Northern Cardinal and Male Eastern Bluebird in Peaceful Garden Setting in Louisiana in Spring Time
Male Eastern Bluebird on Branch of Redbud Tree
Eastern  male Bluebird perched on top of birdhouse in Spring
Eastern Bluebird (Sialia sialis) on a tree in a nest hole
Variety of Songbirds Perched on Branch in Late Winter in Louisiana
Pair of Juvenile Eastern Bluebirds (Sialia sialis) sitting on a feeder
Eastern Bluebird 2
Eastern Bluebird (Sialia sialis) in a bird bath
Male Eastern Bluebird (Sialia sialis) on a fence covered with flowers
Bird Bluebird Wallpaper
Bluebird Taking a Dive into the Birdbath
Female Eastern Bluebird (Sialia sialis) feeding her hungry baby
Mountain Bluebird from multicolored paints. Splash of watercolor, colored drawing, realistic. Vector illustration of paints
Pair of Eastern Bluebird (Sialia sialis) on a branch with a green background
Male Eastern Bluebird (Sialia sialis) on a perch with forsythia flowers
Male Eastern Bluebird
Male Eastern Bluebird (Sialia sialis) in an apple tree with flowers
The Eastern Bluebird.  This spirited bluebird sits up top of the tree branches taking watch on the world around him.
Male Eastern Bluebird (Sialia sialis) with a Grasshopper in its beak to feed to its offspring - Ontario, Canada
USA birds illustration. United States of America greeting card. Eastern Bluebird Ink drawing
Side View of Male Eastern Bluebird in Late Fall in Louisiana
Small Bluebird sitting on a post
Eastern Bluebird Perched On Tree Branch
Male Eastern Bluebird (Sialia sialis) in flight
Eastern Bluebird (Sialia sialis) male and female on Peterson nest box Marion County, Illinois
Male Eastern Bluebird (Sialia sialis) on a perch with flowers
Eastern Bluebird (Sialia sialis) with a baby on a fence
Male Eastern Bluebird Perched on a branch in springtime. Vibrant blue color on the birds wings and head with a proud pose.
North Carolina bluebird in full flight
of 39