Thursday 16 July 2020

[cobirds] Re: Juvenile Spizella Sparrow ID

Hi Dave!
Very fun post to read! I was recently thinking about juvenile birds, especially now that the fledglings are growing up quickly, but aren't quite grown up entirely. In backyards, recently fledged juvenile House Sparrows, House Finches, American Goldfinches, Western Kingbirds, and Common Grackles have been everywhere (at least in my Timnath neighborhood), and it's always interesting to note various field marks that distinguish the youngsters from each other. In my case, you're probably not going to struggle differentiating a young House Sparrow from a House Finch, for example, but it brings up an interesting point that the majority of bird field guides don't always address fledgling identification on passerines (and all species in general).
The birds are happy, and so am I
~Caleb Alons, Larimer County

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