Curlew? Whimbrel?

Curlew?  Whimbrel?

Observation - Curlew? Whimbrel? - UK and Ireland. Description: I have the same problem as the observation submitted by Nightfly recently - is it a Curlew or Whimbrel? Head markings look more like Whimbrel to me.

I have the same problem as the observation submitted by Nightfly recently - is it a Curlew or Whimbrel? Head markings look more like Whimbrel to me.