This category is within the scope of WikiProject North America, a collaborative effort to improve the coverage of North America 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.North AmericaWikipedia:WikiProject North AmericaTemplate:WikiProject North AmericaNorth America articles
This category is within the scope of WikiProject Tree of Life, a collaborative effort to improve the coverage of taxonomy and the phylogenetictree of life 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.Tree of LifeWikipedia:WikiProject Tree of LifeTemplate:WikiProject Tree of Lifetaxonomic articles
This category is a part of WikiProject Extinction, an attempt at creating a standardized, informative, comprehensive and easy-to-use resource on extinction and extinct organisms. If you would like to participate, you can choose to edit this category, or visit the project page for more information.ExtinctionWikipedia:WikiProject ExtinctionTemplate:WikiProject ExtinctionExtinction articles
