Tuesday 23 July 2024

Re: [cobirds] House Wrens: The most efficient backyard hunters around (Arapahoe)

Now this is interesting. Up through 5 or so years ago I had trouble keeping my thistle feeders full. I started seeing American Goldfinches first, followed relatively quickly by Lesser Goldfinches. Then the numbers of Goldfinches started dropping off, and for the past 2 years they refused to eat any thistle; it was all No Mess for them (split sunflower seeds and millet).

This year they started showing some interest in thistle again (yes, I can be rather pigheaded and kept one thistle feeder up as a "canary"), and the numbers were definitely up, so I started hanging my thistle feeders again.

I now have 4 thistle feeders up and they see constant attention throughout the day. I have Lesser Goldfinches, with only one or two American Goldfinches; running between 12 and 20 at a time.

So while I have no idea where the AGs have gone, I know where the LGs are :)

Jim Tyler
Roxborough

On 7/20/2024 6:55 PM, Tony Kay wrote:
Enjoyed your tales of backyard birding activity.  One of my observations in our area Denver S/E near Cherry Creek  shopping center are the changes in bird demographics. Spotted Towhees have been increasing year after year and are now permanent residents while American Goldfinch have become scarce. The Goldfinch population started falling off about 3 years ago and by last year there were very few around. This year I have only seen one at our feeder. The House Wrens are doing great, they love foraging in our thick undergrowth as with you the Chickadees are flourishing and all the locals seem to have had good healthy broods. 

What's happened to the Goldfinches?

Tony Kay
Denver


Sent from my iPhone

On Jul 19, 2024, at 8:08 PM, Jared Del Rosso <jared.delrosso@gmail.com> wrote:

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