Seal Sands
Sadly, Seal Sands is only a small remnant of what used to be a huge inter-tidal
area and now holds fewer waders and Shelduck than it used to. Nevertheless, it is
still the largest area of mudflats on the east coast of England between the Humber
and Lindisfarne and forms part of the Teesmouth National Nature Reserve (TNNR),
managed by English Nature. It attracts significant numbers of waders, particularly
in spring and autumn, most notably Dunlin, Curlew, Knot and Redshank. The mudflats
are completely covered at high water and are best observed from the TNNR hide at
the south-west corner or from Seaton Snook (at low tide). Skuas, terns and numerous
gulls can often be seen feeding on Seal Sands near high tide.
Access to the hide at Seal Sands is via the footpath along the south sea wall of
Greatham Creek. From the footpath, there are good views over the Brinefield pools
to the right and the mouth of Greatham Creek

Tees Estuary Looking North
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