Editing River Mersey (section)

===Fauna===
[[Atlantic salmon|Salmon]] have returned to the river<ref>{{cite journal|title=The origins of Atlantic salmon (Salmo salar L.) recolonizing the River Mersey in northwest England|doi=10.1002/ece3.353|pmid=23145338|volume=2|issue = 10|pages=2537–2548|journal=Ecology and Evolution|year=2012 | last1 = Ikediashi | first1 = Charles|pmc=3492779|bibcode=2012EcoEv...2.2537I |doi-access=free}}</ref> and have been seen jumping at [[Woolston, Cheshire|Woolston]] and Howley Weirs between September and November. Salmon [[Parr (fish)|parr]] and [[Spawn (biology)|smolt]] have been caught in the Mersey's tributaries, the River Goyt and the [[River Bollin]].<ref>{{cite web|url=http://www.environment-agency.gov.uk/static/documents/Leisure/Salmon_behaviour_in_the_Mersey_Catchment_FINAL.pdf|work=Environment Agency|title=Salmon behaviour in the Mersey Catchment|first=Sam|last=Billington|archive-url=http://webarchive.nationalarchives.gov.uk/20140328084622/http://www.environment-agency.gov.uk/static/documents/Leisure/Salmon_behaviour_in_the_Mersey_Catchment_FINAL.pdf|archive-date=28 March 2014|url-status=dead}}</ref> [[Gray seal|Atlantic grey seals]] from Liverpool Bay occasionally venture into the estuary<ref>{{citation | url= http://www.cheshire-biodiversity.org.uk/action-plans/listing.php?id=13 | title= Atlantic grey seal | publisher= Cheshire Region Biodiversity Project | access-date= 25 August 2012 | url-status= dead | archive-url= https://web.archive.org/web/20120806034427/http://www.cheshire-biodiversity.org.uk/action-plans/listing.php?id=13 | archive-date= 6 August 2012 }}</ref> along with [[bottlenose dolphin]] and [[harbour porpoise]]. [[Eurasian otter|Otter]] tracks have been observed near Fiddlers Ferry.<ref>{{citation | url=https://www.bbc.co.uk/news/uk-england-merseyside-15852705 | title=Otters return to once-polluted River Mersey | access-date=25 August 2012| publisher=BBC News | date=23 November 2011 }}</ref> Other fish in the estuary include [[Atlantic cod|cod]], [[Merlangius|whiting]], [[Common dab|dab]], [[European plaice|plaice]] and [[European flounder|flounder]].<ref name=LHU>{{cite web|url=http://www.hope.ac.uk/ebs/merseystrategy/EstGuide.pdf|title=Making the most of the Mersey|work=Liverpool Hope University|page=25|archive-url=https://web.archive.org/web/20030831124326/http://www.hope.ac.uk/ebs/merseystrategy/EstGuide.pdf|archive-date=31 August 2003}}</ref> [[Spiny dogfish]], [[Atlantic mackerel|mackerel]] and [[School shark|tope]] feed on [[shrimp]] and [[whitebait]] in the estuary.<ref name=LHU /> For ducks, the estuary is important to [[common shelduck]]s and [[Eurasian teal]].<ref>{{cite web|url=https://www.rspb.org.uk/whatwedo/campaigningfornature/casework/details.aspx?id=tcm:9-240075|title=Mersey Estuary|work=RSPB|access-date=5 March 2016}}</ref> Waders include [[Common redshank|redshank]], [[black-tailed godwit]], [[dunlin]], [[Northern pintail|pintail]] and [[Ruddy turnstone|turnstone]].<ref>{{cite web|url=http://www.merseybasin.org.uk/archive/assets/173/original/Flocking_To_The_Mersey.pdf|title=Flocking to the Mersey|work=Mersey Basin|access-date=5 March 2016}}</ref><ref>{{cite web|url=http://publications.naturalengland.org.uk/file/5942797565689856|title=Waterbird population trend analysis of the Mersey Estuary SPA, Mersey Narrows & North Wirral Foreshore pSPA and Ribble & Alt Estuaries SPA|work=Natural England|access-date=5 March 2016}}</ref>