Regularly visiting rosy-finches are not required to participate. As we say
in science, negative data is good data too. These birds are highly mobile,
it's pretty normal to have them visit irregularly.
Greg
On Fri, Feb 5, 2021 at 1:01 PM Sibylle Hechtel wrote:
> I've seen them at our feeder
I've seen them at our feeder in Avon (eagle county) the past few winters.
Last winters, mostly Gray-crowned,;in winter 2019, mostly Brown-capped. I'd
be happy to contribute to a citizen science project and survey them at our
feeder once a week ( but we don't see them eery week).
On
Lots of good questions Bob, as well as a good suggestion regarding
standardized counts. In fact, your idea was recently realized. The
non-profit Wild Utah Project has just expanded their citizen science Black
Rosy-Finch feeder counts to other interior west states, including Colorado
and are
