1821 in birding and ornithology is part of WikiProject Birds, an attempt at creating a standardized, informative and easy-to-use ornithological resource. If you would like to participate, visit the project page, where you can join the discussion and see a list of open tasks. Please do not substitute this template.BirdsWikipedia:WikiProject BirdsTemplate:WikiProject Birdsbird articles
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This article is within the scope of WikiProject Years, a collaborative effort to improve the coverage of Years on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.YearsWikipedia:WikiProject YearsTemplate:WikiProject YearsYears articles
