Bird pointed out Hamilton applied a lot of pressure throughout the match and in the right parts of the field.
"We were guilty of not sticking to our game plan as much as we needed to and full credit to Hamilton who played well. There are no excuses from us," Bird said.
It wasn't the result lock Emil Crichton wanted in his 50th appearance for the side.
Loosehead prop Tini Nu'u again carried with purpose for the visitors and had a high workrate. Co-captain and second five-eighth Jordan Thompson-Dunn had another solid game.
In his debut for Hastings Arama Kite provided quality impact off the subs bench at blindside flanker. A Year 12 student, Kite, recently returned to his home province after attending Manawatu's Manukura School.
Napier Boys' High School didn't play today as they lost their away round seven clash 27-15 to Palmerston North Boys' High School on Wednesday.