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Passions

“Little Brown Jobs”

Photo by Laurie Dennis

By Tom Dennis

American Goldfinch

Our second bird in a short series on LBJ’s “little brown jobs” may be somewhat of a shock as many of you await spring migration and the return of the brightly yellow colored male American Goldfinch.  Well, surprise, they haven’t left, they’ve remained all winter long, eating your niger (a.k.a. thistle) and sunflower seeds, disguised as an LBJ.  Let’s take a closer look and learn how to identify this abundant, gregarious, and sometimes colorful species throughout the year. 

American Goldfinches are small birds with an average length of five inches and weighing about one-half ounce.  It is the only “cardueline” finch to molt twice per year and during the fall molt the adult males shed all the beautiful golden-yellow feathers they are known for and replace all feathers with buff underparts and olive-brown above.  During the entire year females have brown wings and males have black wings with both sexes having white wing bars and white on the edges and underside of the short, notched tail.  Some winter birds show light yellow on the face and bib with males having yellow shoulder patches however in our area many winter adults show no yellow at all and are medium tan-gray with an olive tinge that is barely evident.  Once the spring molt is complete the LBJ image is gone with males again showing the bright yellow body contrasted with a black cap and wings and females brown with a dull yellow bib.   So be watching now in these early spring months as this change begins to take place. 

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The old genus name Carduelis, is derived from carduus, the Latin word for ‘thistle’ and the species epithet tristis is Latin for ‘sorrowful’.  Of course thistle is a favorite food of this almost totally vegetarian species; we now buy niger seed since it’s available commercially and doesn’t germinate in our climate.   I can only guess that the species epithet, derived from sorrowful, comes from its song but I prefer to think of the “tsee-tsi-tsi-tsit” flight call as “sweet-swee-swee-sweet” and as being lightly cheerful. 

The American Goldfinch is a widespread species and its year-round range covers essentially all but the southern tier of the lower forty-eight states and in true snowbird fashion some of these birds do spend the winter in the lower states and northern Mexico.  They can move a fair distance into the Canadian Provinces for the summer breeding season.  The American Goldfinch preferred breeding habitat is in open country where weeds thrive and being granivorous they eat seeds from a wide variety of annual plants such as dandelion, ragweed, teasel, cosmos, and goatsbeard.  They also feed on tree buds, sap, and berries.  Goldfinches have adapted well to human habitations and thrive around our gardens, orchards, and anywhere that annual flowers and weed abound.

They are one of our latest nesting birds and they begin laying their eggs in early July, when most songbirds are finishing their breeding activities.  This late timing assures them of an abundance of nesting materials such as thistle, milkweed, and cattail which are used to line the nests that are built in shrubs and small trees.  The seed availability from annual plants and grasses is also abundant during late summer.  Although they feed mostly on seeds, insects and spiders are an important nutritional requirement for hatchlings so it’s important to avoid use of pesticides and insecticides especially during late summer and fall when the young are being fed. 

If you wish to learn more about birds you are welcome to attend Blue Water Audubon meetings held at The Pointe, 5085 Lakeshore Rd, in Fort Gratiot on the first Monday of the month, October through May at 6:45 PM.  Please visit our Facebook page, “Blue Water Audubon Society”, and be sure to friend us.

Tom Dennis is a free-lance writer, passionate birder, zoologist, creation scientist, and naturalist.

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Tom Dennis is a resident of Fort Gratiot where he and Laurie Melms Dennis, his wife of 45 years, tend to their bird and butterfly friendly gardens. He is a speaker and free-lance writer, passionate birder, advanced master gardener, creation scientist, and naturalist, with degrees from Michigan State University in Zoology and Biology. Tom is an active member of Blue Water Audubon Society, Master Gardeners of St. Clair County, Port Huron Civic Theater, Ross Bible Church, Tapestry Garden Club, Blueways of St. Clair, and is a steward of the Blue Water Riverwalk with Friends of the St. Clair River. Thanks for reading, Don’t forget to “Like” us on Facebook!



Disclaimer: Blue Water Healthy Living is an online magazine located in Port Huron, Michigan. Our purpose is to promote healthy living by showcasing the Blue Water Area, its people, issues and surroundings. This online magazine is devoted to providing healthy living related stories, local happenings, and commentary. Often inspiring and uplifting, our stories come from our heart and soul to promote the enjoyment of a more fulfilling Blue Water Area lifestyle. The material on this web site is provided for informational and amusement purposes only and is not to be confused with any medical advice, diagnosis or treatment. The views and opinions expressed do not necessarily reflect the opinions and values of Blue Water Healthy Living.

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