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Thanks for trying to help and guess! In the comments above, we found that the bird is still from the Passerellidae family, so he is a sparrow - not ordinary, but mountainous South American) It is always such a difficult task for me to identify the species of birds.

I did a little investigating also and found the same thing to my surprise. It is so interesting to see such diversity in the sparrow family. I have song sparrows living in all my bushes and trees around my house, I just love them.

👍 I agree, this is really interesting!