South American tern
... that an estimated 67,500 South American tern nests containing 112,500 eggs were found on a single 150-yard (140 m) stretch of beach in Argentina?
... that an estimated 67,500 <b id="mwAWI"><a href="./South_American_tern" id="mwAWM" rel="mw:WikiLink" title="South American tern">South American tern</a></b> nests containing 112,500 eggs were found on a single <span about="#mwt27" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"150"},"2":{"wt":"yard"},"adj":{"wt":"on"}},"i":0}}]}' id="mwAWQ" typeof="mw:Transclusion">150-yard (140</span><span about="#mwt27" typeof="mw:Entity"> </span><span about="#mwt27">m)</span> stretch of beach in Argentina?