Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSome notes on the former abundance and recent declines of a selection of bird species in the valleys of the Rivers Nidd and Lower Ure.AuthorsMather, John R.SubjectsBIRD declines; SPECIES; BIRD watchingPublicationNaturalist (00280771), 2023, Vol 148, Issue 1114, p189ISSN0028-0771Publication typeArticle