Norse invader ?

Norse invader ?

Observation - Norse invader ?. Description: This is one of 8 birds that have 'invaded' the estates our area in recent days. They seem to spend the night on a local reservoir waking everyone at daybreak with their calling.

This is one of 8 birds that have 'invaded' the estates our area in recent days. They seem to spend the night on a local reservoir waking everyone at daybreak with their calling.