Tamar–Tavy Estuary
... that the Tamar–Tavy Estuary , on the Cornwall–Devon border in the UK, attracts over 20% of the British wintering population of the uncommon Pied Avocet?
... that the <b id="mwAYU"><a href="./Tamar–Tavy_Estuary" id="mwAYY" rel="mw:WikiLink" title="Tamar–Tavy Estuary">Tamar–Tavy Estuary</a></b> <i id="mwAYc">(pictured)</i>, on the <a href="./Cornwall" id="mwAYg" rel="mw:WikiLink" title="Cornwall">Cornwall</a>–<a href="./Devon" id="mwAYk" rel="mw:WikiLink" title="Devon">Devon</a> border in the <a href="./United_Kingdom" id="mwAYo" rel="mw:WikiLink" title="United Kingdom">UK</a>, attracts over 20% of the <a href="./Great_Britain" id="mwAYs" rel="mw:WikiLink" title="Great Britain">British</a> wintering population of the uncommon <a class="mw-redirect" href="./Pied_Avocet" id="mwAYw" rel="mw:WikiLink" title="Pied Avocet">Pied Avocet</a>?