Since then we've seen two varieties of bean geese, plus two Bewick's swans, a long tailed duck and a
slavonian grebe. Teesside remains a potential birding hot spot when the winds are in the right direction.
Meanwhile most of the
Slavonian grebe's population is in North America, where a large and significant decrease in numbers has led to its inclusion on the Red List.
Fellow newcomers the
Slavonian grebe and pochard and are classified as "near threatened" due to such issues as breeding failures and challenged environments.
The group saw lots of winter migrant birds including Great Northern Divers, a
Slavonian Grebe, a Smew, and a fantastic sunset show put on by thousands of gulls.
But concerns have been raised that the plan could affect the breeding grounds of rare
Slavonian grebe birds.
In Scotland, eggs of rare birds, such as the white-tailed sea eagle, golden eagle, chough, osprey and
slavonian grebe, are highly prized by egg collectors.
In Scotland, eggs of rare birds such as the white-tailed sea eagle, golden eagle, chough, osprey and
Slavonian grebe, are highly prized by egg collectors, most of whom come from south of the border.
Barry Sheavills' haul included 52 extremely rare examples, including three from the
Slavonian grebe of which there are only 30 known pairs.
But the
Slavonian grebe, whose range extends at its southernmost margins to Scotland and breeds on only a few lochs, is less frequently seen.
Elsewhere, Denbighshire had the pick of the week's birds, with a great northern diver feeding busily on shorecrabs in Rhyl's marine lake, joined by a
Slavonian grebe on Monday morning, and a Mediterranean gull was on the nearby River Clwyd.
A scaup was on Anglesey's Inland Sea, with a
Slavonian grebe and 178 pale-bellied brent geese at nearby Penrhos Coastal Park.
| Black-throated Diver,
Slavonian Grebe and Long-tailed Duck and over a dozen Scaup are on Anglesey's Inland Sea, while Beddmanarch Bay holds three
Slavonian Grebes, viewed from Penrhos Coastal Park.