What's the plural form of avian ingestion? Here's the word you're looking for.
Answer
The noun avian ingestion can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be avian ingestion.
However, in more specific contexts, the plural form can also be avian ingestions e.g. in reference to various types of avian ingestions
or a collection of avian ingestions.