There is around 2 dozen moa skeletons on display in the Dunedin museum with a variety of subspecies that are extremely varied. Also well worth a look

It’s worth looking up the Haast’s eagle which preyed on moa. That was the most awesome of eagles at 15kgs and a wingspan of up to 3m.

https://en.m.wikipedia.org/wiki/Haast%27s_eagle