Maroon Jay
Airborne
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Yellow House Finch (1 Viewer)
- Thread starter Maroon Jay
- Start date
Reasonably common, I used to see one or two regularly in the flocks frequenting my Reno feeders, for example. Dto for the orange and orange-red color variants. The variations aren’t genetic but are dependent on diet during feather formation so the same bird can be red one year and orange or yellow the next.
Here are some photos (scroll down a little to get to the House Finches—
https://www.flickr.com/photos/fugl/albums/72157687944116052
Here are some photos (scroll down a little to get to the House Finches—
https://www.flickr.com/photos/fugl/albums/72157687944116052
Last edited:
Maroon Jay
Airborne
Good photos and information. Thanks. Maybe they are more common in some areas than others. I do a lot of birding and had never seen one before. I wonder why two birds who live in the same patch of woods would be different colours.
Nutcracker
Stop Brexit!
I'd suspect it'll be related to bird feeder density - the seed put in feeders has fewer anthocyanins in than natural food. So birds in rural areas eating mainly natural food will get good reds, those in urban areas with poorer feeder diets will be yellower.
Interesting point. . ..
Farnboro John
Well-known member
Nutcracker
Stop Brexit!
Should be testable - see if they'll eat grated beetroot, and turn extra bright purple if they do 3
