FANDOM


The Category Intersection is a wonderful and very useful feature, but it can also be a bit tricky to use.

It can be used to display pages that belong to two separate chosen categories, excluding those that only belong to one of them. This allows for some useful combos, for example Cats + Asian Animals = Asian Cats. A cougar will not appear since it does not belong to Asian Animals, and a panda will not appear since it's not a cat.

You will need to write two category names and select a page limit. The default is 25 pages and the maximum is 100 pages. An important thing to note is that you need to write Category: before the name of the category, otherwise it will not work.

GOOD:

  • Category:Cats
  • Category:Asian Animals

BAD:

  • Cats
  • Asian Animals

It is also important to remember that pages only belong to the most basal category, meaning that only the lowest-level categories are useful for searching. In other words, searching Mammals + Asian Animals will net no results, since there are no pages in the "Mammals" category. It should be noted, however, that some bigger categories do indeed contain animals when they don't fit in any subcategory, like the Birds category. However, birds that are included in a subcategory like penguins or birds of prey will still not appear when searching "Birds".

GOOD:

  • Category:Turtles
  • Category:Wetlands Animals

BAD:

  • Category:Reptiles
  • Category:Wetlands Animals

Lastly, regarding extinct animals it should be noted that the taxon, biome and location are named differently than for living animals. This means that Theropods + Scrub Animals will net no results; instead the correct search is Theropods + Scrub Animals - Extinct. Likewise, Birds + Recently Extinct will net no results, while the correct search is Extinct Birds + Recently Extinct.

GOOD:

  • Category:Extinct Mammals
  • Category:Tundra Animals - Extinct

BAD:

  • Category:Extinct Mammals
  • Category:Tundra Animals

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