Common Buzzards / pale morph juvenile

morph / phase ?? this striking juvenile was in with 7 other Common Buzzards over  a mown grass field this afternoon; frequently attacked by a typically marked dark juvenile Common but interacting with all the birds this individual may be a local youngster; no wonder people, including some self-proclaimed raptor experts, have trouble with raptors when the same species can look so different at different ages and in different phases / colour morphs / guises --