Because I was watching an adult Red-eyed Vireo on a low tree branch (unusual); I followed the adult to this brier patch and found this fledgling.
I watched the adult bring back bugs for this youngster.
Nikon Z 6II
,NIKKOR Z 70-200mm f/2.8 VR S Z TC-2.0x 1/250s f/5.6 at 600mm iso1800
Free Crop of RAW DX Image ReSized for Internet Viewing
full exif