Dark-bellied Brent Goose (Branta bernicla bernicla)
3,205 individuals representing at least 1.1% of the wintering Western Siberia/Western Europe population migrate to The Medway Estuary. The Birds arrive in October and leave again in March.
This was taken with my "New Old" lens. A Sigma 400mm prime lens. With the tide out as far as it was, it was not powerful enough. I could not afford a new one for Christmas,far to expensive, so ebay came to the rescue.