Based on some very quick digging, this looks like a bar-tailed godwit, a big sandpiper, that migrates from its breeding range in the northern hemisphere to Australia and NZ to overwinter.
@mjalkotzy Thanks for sorting that out for me Martin. I'm not that good on sea birds.
I await your call as to when you are paying us a visit down under.
I await your call as to when you are paying us a visit down under.