Page 32 - Black Range Naturalist, Vol. 2, No. 1

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Lesser Goldfinches are seen throughout this period.
Although there are some Hummingbirds which are present during the colder months, they generally do not start to arrive in numbers until mid March. Some species, like the Rufous, appear to visit the area only during passage (migration). Although Broad-tailed are seen here starting in March, they are much more common in the Black Range at higher elevations.
Steller’s Jay has been seen here in only one year, 2018. They are common in the higher elevation forests of the Black Range.
Four subspecies groups of Dark-eyed Juncos are seen regularly in this area: Oregon, Pink-sided, Slate- colored, and Grey-headed. A “subspecies group” consists of one or more subspecies. Dark-eyes Juncos are winter birds, generally being gone by the end of April.
The yard does not have habitat for species like Killdeer, and our observations bear that out. Percha Creek, which is only a hundred yards away as it passes through Hillsboro, offers much better habitat for such species and others like the Great Blue Heron.
Common Ground-Dove has been seen in the yard, as has Rivoli’s Hummingbird (formerly Magnificent Hummingbird).