Upon 1st spotting this sparrow, thought it might be a new species showing up in my backyard; but, after taking some 30 shots, decided it was an immature Chipping Sparrow.
'previous' three images of this same immature sparrow.
Nikon Z 6II
,NIKKOR Z 70-200mm f/2.8 VR S with 2X TC 1/640s f/10.0 at 600mm iso1000
Free Crop ReSized for Internet Viewing
full exif