Autumn's migrating sparrows

Photo by Barry Wallace

White-crowned & White throated Sparrows

share same spot under the feeders

Pictured above are a White-crowned Sparrow (left) and a White-throated Sparrow (right) coming together under our feeders in the backyard, before continuing their migration south to escape winter which begins on December 21st.   The white-throats always appear first, followed by the white-crowns, but they usually share a same window of time for a couple of weeks.   They will make a similar type of passage in the spring.   In the case of the White-throated Sparrow, some adults have a black-and-white head stripes  while others have brown-and-tan head stripes.   My Peterson Field Guide notes that white-throats have been known to hybridize with Dark-eyed Juncos, although this is the only mention I have ever heard of this.
Please comment if you wish. 
BarrytheBirder