There has been discussion about all the “other” possible Evidences of Presence on New Annotation: Evidence of Presence :
What about [insert animal-related value here]?
There are certainly other values we’re considering for addition in the future, but again we wanted to start this off with the most commonly seen, useful, and least ambiguous values we could. Some commonly seen and useful values like “domicile” or “construction” seemed too complex for now (do we make different values for a burrow and a bird’s nest and a bee hive, or just use a blanket term? How does this translate to non-English languages?) and others a bit too uncommon or difficult to define for this first phase (eg bear rubs). For more niche or specific data needs, observation fields would be a better choice.
Thread like this have requested regurgitated matter be added.
The owl pellet specific request has also been brought up on Let’s Talk Annotations :
I’d say Let’s Talk Annotations is the best place to weigh in on requesting new additions to Evidence of Presence. They’re always weighing the pros and cons of having additional values added here.