Animal knowledge - data sources

Fluffifi's animal facts are drawn from published references and re-worded in our own words. Every source we use is credited below, with its licence and how many facts came from it. Animal jokes and trivia questions are written or curated by Fluffifi. Animal facts are AI-assisted and community-checkable - if a fact looks wrong, use the flag icon ("Report a problem with this fact") beside it and our team will review it.

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Licence note: individual facts are not themselves subject to copyright; we nonetheless cite the originating publication for each, as listed above. Where a source applies a Creative Commons licence we name that licence beside the credit and link the work it came from. We do not use content under non-commercial (NC) or no-derivatives (ND) terms.