Eurasian Tree Sparrow
Male: Brown crown and back with black throat and ear patch. Breast and belly are tan to light brown.
Female: Similar to male.
Juvenile: Same as female.
Nest: Female and male build cavity. Two to three broods per year.
Eggs: 4-6; white to gray with brown markings
Incubation: 13-14 days; female and male incubate
Fledging: 12-14 days; male and female feed young
Migration: The Eurasian Tree Sparrow can be found in St. Charles County year round. In fact, St. Charles County is one of the only areas, that these rare birds are found. Introduced from Germany in 1870 when twenty birds were released in St. Louis, Missouri. Their population has since spread a little in Missouri, Illinois, and Iowa.
Food: Seeds, insects, and will come to seed feeders
Compare: Nearly identical to the male House Sparrow, but has a brown crown instead of gray and a black ear patch, which the male House Sparrow lacks.