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NOT stress bars, right?

Elysian

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Lately Opie's molted feathers look weird toward the end.
If you hold them up to the light they have random wavy dark lines toward the ends. Turning them over shows me these seem to be vanes that are doubled up/overlapping.

I'm pretty sure these are not stress bars, but I don't know if it's just messy old feathers or something.. else?

It's odd because there are no gaps in the vanes, just some that are somehow extra or something?

Front of feather
20211018_094658.jpg

Back of feather
20211018_094710.jpg
 

Mizzely

Lil Monsters Bird Toys
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not stress bars :)

Here is a photo of stress bars I took from my green cheek many years ago. You can see in the middle feather that there is a distinct band where the feather gets thinner and weaker

1634569392498.png
 

Clueless

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Thanks @Mizzely

I always wondered about Secret too
 
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