Not everyone uses eBird.
In the Kyiv region rare vagrants:
Red Kite from Obolons'kyi, UA-KC, UA on July 22, 2018 by Pysmennyi K.
www.inaturalist.org
Red Kite from Obolons'kyi, UA-KC, UA on May 17, 2015 by Pysmennyi K.
www.inaturalist.org
In 2021 we had an individual with a GPS tracker who spent nearly a month near Kyiv at the garbage dump.
In the west of Ukraine, several couples breed annually. Even spotted mixed couples Ren and Black Kites.