wagtail or wader ?

wagtail or wader ?

Observation - wagtail or wader ?. Description: This garden borders a coastal lagoon in N.Ireland. My friend who took the picture says it was a wader. My first thoughts were wagtail but she is familiar with them and says the beak was much longer and also says it had green wings.

This garden borders a coastal lagoon in N.Ireland.
My friend who took the picture says it was a wader. My first thoughts were "wagtail" but she is familiar with them and says the beak was much longer and also says it had green wings.