John Holmes

There are "no satisfactory records" of Northern Goshawk in Hong Kong, according to my 8th edition of "The birds of Hong Kong and South China."   Older editions mention Northern Goshawk, but there seems to have been confusion between Northern Goshawk and Crested Goshawk.

But just in case - and for FUTURE reference - here is a Northern Goshawk photographed in Sichuan in 2006. Note broad body and bulging secondaries, as mention by John Allcock.