Not my construction site, but IIRC there is a hard limit on Wikidata entities used per page. Looks like that one's hit it.

On Fri, Nov 6, 2015 at 9:26 AM Benjamin Good <ben.mcgee.good@gmail.com> wrote:
I assume somebody is working on this already by now, but in case others have not noticed it yet, please see attached from:
https://www.wikidata.org/wiki/Wikidata:List_of_properties/all#Biology


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