https://www.youtube.com/watch?v=jQtN6wR7aU4
A 14 days journey watching a family of Dark-eyed Oregon Junco from egg laying to flight .

https://birdfact.com/articles/dark-eyed-junco-nesting
Nesting dark-eyed juncos seek sites low to the ground, sheltered by overhanging vegetation, or entwined in tree roots or dense shrubbery. Females craft cup-shaped nests from twigs and moss, and up to three broods may be attempted in a year. Between four and five eggs are usually laid, hatching after a 12 to 13-day incubation by the female alone.

https://songbirdhub.com/junco-nest/
In Oregon, Junco have more brown color on their wings and undersides, similar to a House Sparrow. In the Rocky Mountains and Yellowstone Park, Dark-Eyed Juncos have a slightly pink coloring on their bottoms. No matter where you spot a Dark-Eyed Junco, their jet-black eyes and grayish-black head are clear giveaways. Habitat and Diet

https://www.allaboutbirds.org/guide/Dark-eyed_Junco/lifehistory
Dark-eyed Juncos are neat, even flashy little sparrows that flit about forest floors of the western mountains and Canada, then flood the rest of North America for winter. They're easy to recognize by their crisp (though extremely variable) markings and the bright white tail feathers they habitually flash in flight. Dark-eyed Juncos are among the most abundant forest birds of North America

https://earthlife.net/dark-eyed-junco-nesting-egg-laying/
The dark-eyed junco eggs are white or with a greenish tint and have small dark spots. However, despite all the parental care and protection, not all junco eggs become chicks that survive into adulthood. Typicaly clutch size for dark eyed juncos is 3 to 5 eggs. The eggs sometimes have a greenish tint.

https://www.audubon.org/field-guide/bird/dark-eyed-junco
A variable bird with white outer tail feathers. Juveniles of all are streaky brown at first. "Slate-colored Junco" is the only form usually seen in the east. Solid gray on head, back, sides. Females and first-winter birds slightly browner than adult males. "Oregon Junco" is widespread in west, rarely appears in east.

https://www.oregonencyclopedia.org/articles/oregon_junco/
By September, they wear a dark hood that identifies the species. The Oregon Junco is distinguished from other juncos by the male's pinkish-brown sides and black head; the female's head is gray. All juncos have a pink bill and white outer tail feathers. Regardless of the season, Oregon Juncos are one of the most common birds in the state and are

https://hhltmaine.org/15204/nature-notes-dark-eyed-junco/
Finally, the junco is not a finch, but a member of the sparrow family. The excellent Stokes Field Guide to the Birds of North America describes the Dark-eyed Junco as follows: a large, deep-chested, broad-necked sparrow with a short, pinkish conical bill, high-rounded crown, and medium-length slightly-notched tail with variable white outer

https://birdallianceoregon.org/go-outside/dark-eyed-junco/
Dark-eyed Junco. This small bird is a common sight across North America, seen foraging on forest floors. Look for their dark grey heads, and bright white outer tail feathers that can be seen while in flight. Dark-eyed Junco, photo by Mick Thompson. Size & Shape: 5 3/4″.

https://myodfw.com/wildlife-viewing/species/dark-eyed-junco
This small, dark-headed sparrow flashing white outer tail feathers is one of the state's most abundant species and one of the easiest to identify. When not nesting, the Dark-eyed junco might be seen nearly anywhere in the state. It is a regular visitor to city parks and neighborhood bird feeders. Most juncos occurring in Oregon show dark hoods

https://thebirdersreport.com/wild-birds/bird-sightings/flittering-dark-eyed-juncos-abound
The "Oregon" variety male is boldly marked with blackish and brown with a distinct black hood and a pinkish bill. The female tends to be duller and browner than the male. As I said, the white outer tail feathers flash distinctively in flight. The Dark-eyed Junco is a common sight at winter bird feeders across North America.

https://www.allaboutbirds.org/guide/Dark-eyed_Junco/overview
Dark-eyed Juncos are neat, even flashy little sparrows that flit about forest floors of the western mountains and Canada, then flood the rest of North America for winter. They're easy to recognize by their crisp (though extremely variable) markings and the bright white tail feathers they habitually flash in flight. Dark-eyed Juncos are among the most abundant forest birds of North America

http://birdsbybent.com/ch41-50/junco.html
Houston and Street (1959) describe a nest in Saskatchewan built in a half-pound tobacco can lying on its side and which contained three junco eggs and three cowbird eggs. Basil J. Wilkinson showed me a nest near Olean, New York, from which young were successfully fledged, in a wind-vane bird-feeder mounted on an 8-foot iron pipe.

https://whatbirdsareinmybackyard.com/where-do-dark-eyed-juncos-like-to-nest/
Eggs. Dark-eyed Juncos lay eggs as early as March. But since they may nest up to 3 times a season, they may have eggs in the nest as late as August. They lay from 3-6 eggs, frequently 4-5. Early clutches are more likely to have more eggs, later clutches fewer. In Oregon, nests with eggs or young were found from April 25th to early August.

https://www.ecaudubon.org/nestandyoungphotos/dark-eyed-junco/
Dark-eyed Junco Nest Photos. Dark-eyed Junco Young Photos. How this database was created. Over 190 species of birds choose Central Oregon as the best place to raise a family. This site provides photos of nests, eggs, and offspring of many of those species. As birders, we often come across nests in the wild, and there are few resources available

https://www.allaboutbirds.org/news/how-juncos-changed-their-migration-behavior-and-plumage-in-a-matter-of-decades/
Studying junco evolution is more than just an academic exercise. An October 2019 study in the journal Science, led by the Cornell Lab of Ornithology, found that—among 3 billion birds lost in North America over the last 50 years—the Dark-eyed Junco population is rapidly declining, down by 168 million juncos. But if juncos come equipped with

https://keypennews.org/stories/when-a-junco-nests-in-the-garden,3320
All have a pink bill and white outer tail feathers visible in flight. Our local subspecies, the "Oregon" junco, has a dark hood (black in males, charcoal in females), pink-brown sides, brown back and white belly. Sound: Song is a two-second trill, given from a high perch. Calls, often given in flight, are a rapid series of high, sharp chirps.

https://www.birdinformer.com/field-guide/dark-eyed-junco/
The Dark-eyed Junco is a lovely bird that is a close relative to the sparrows. They are widespread across North America and are divided into five major groups - each with different color patterns. They are known to be snowbirds as they usually arrive during winter, and you'll quickly recognize them from their bright and flashy-colored body and bright, white tail.

https://myodfw.com/wildlife-viewing/species/towhees-sparrows-grosbeaks-and-buntings
When not nesting, the Dark-eyed junco might be seen nearly anywhere in the state. It is a regular visitor to city parks and neighborhood bird feeders. Most juncos occurring in Oregon show dark hoods, dull rusty-brown backs, and pinkish brown below the wings. Some are grayish, lacking much of the brown tones.

https://www.birdsofoklahoma.net/Junco0019.htm
Dark-eyed Junco. Junco hyemalis. Description: 5-6 1/2" sparrow-sized, generally slate gray or gray-brown above, with white abdomen, sharply separating from gray of breast, white on sides of tail seen in flight, pink bill, often buff flank, Oregon variety differs slightly. Habitat: Conifers, edges of mixed forests, thickets, weedy fields, brushy

https://slatermuseum.blogspot.com/2013/11/return-of-juncos.html
Our common birds are what used to be called Oregon Juncos when five species were recognized. Males have black hoods, rich brown backs and buffy sides. Females are similar but with gray hoods. All five have been lumped into a single species now, the Dark-eyed Junco. North of here, in the boreal forests of Alaska and Canada, juncos have dark gray

https://www.courierpress.com/story/life/columnists/sharon-sorenson/2017/10/29/birds-return-juncos/796981001/
Junco breeding populations are estimated by Partners in Flight at about 200 million individuals. While that seems a secure population, their numbers have declined by about 50 percent since 1966.

https://toughlittlebirds.com/2014/02/21/ordinary-extraordinary-junco-and-the-wider-world-of-juncos/
The birds lose their hoods and most of their browns and become dark grey (males) or brownish-grey (females). Male junco in Chicago. Female junco in Chicago. The juncos in Baltimore, MD look similar: Male junco in Baltimore. Slate-colored juncos look a lot like an Easter egg that someone dipped sideways into dark dye as far as they could without