At least the Black-throated Green Warblers were down at eye-level at Magee Marsh for the Biggest Week in American Birding, in Ohio, on the Erie shore. There were several working along the boardwalk. 

Sony Rx10iii at 600mm equivalent. ISO 400 @ f4 @ 1/250th. Processed in Polarr and assembled in FrameMagic on my iPad Pro.