Editing Ferruginous duck (section)

==Distribution==
The breeding range of the ferruginous duck is from [[Iberia]] and the [[Maghreb]] east to western Mongolia, south to Arabia, although in the west is now scarce and localised and locally extirpated in some countries. The duck winters throughout the [[Mediterranean Basin]] and the [[Black Sea]], smaller number migrate into sub-Saharan Africa via the [[Nile Valley]].<ref name = BWP/> Eastern birds winter in south and south-east Asia.<ref name = Birdlife>{{cite web |url = http://www.birdlife.org/datazone/speciesfactsheet.php?id=476 | title = Ferruginous Duck ''Aythya nyroca'' | access-date = 15 October 2016 | publisher = [[Birdlife International]]}}</ref>