The collective noun used for Martens is a richness, a word that points to abundance or wealth. The collective noun is also used to describe the variety of Martens that can be found in a given area, as they come in a variety of colors and sizes. It can also describe how plentiful Martens are in a given area, since they tend to turn up in large numbers.
What Is a Group of Martens Called? – Martens Collective Nouns.
