Re: [cobirds] Re: Black-eared Bushtit, Arapahoe

There is no Black-eared species, though black auriculars are more prevalent in subspecies in Mexico than in the United States. It's worth the small subscription fee to have access to Birds of North America (BNA) Online. It tends to be the most current authoritative source for understanding current thinking on particular species. 

Chuck Hundertmark

Lafayette, CO

On Aug 15, 2018, at 1:58 PM, Ben S <benrmnp@gmail.com> wrote:

So basically it sounds like the few Black-eareds we have this far north are immature males. Would that suggest some Black-eared genes?

Ben Sampson

Centennial, CO

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