What is the plural possessive of prey?

The noun prey is an uncountable noun, it has no plural form. The noun prey is a Word for one person or thing, or many people or things.

The possessive form of the noun prey is prey's.

Examples:

The bear dug at the prey's burrow in search of a meal. (singular)

When the swindler was arrested, all the his prey's moneyhad been spent on luxuries. (plural)