Is the collective noun for whales flotilla?

No, "flotilla" is not the collective noun for whales. While it refers to a group of small vessels, it's not used for whales.

There's no single universally accepted collective noun for whales. You can use general terms like:

* Group

* Pod (most common)

* Herd

* School

Sometimes, a specific term like "gam" is used for a group of whales, particularly for humpback whales.

It's important to note that the term "flotilla" is mostly associated with boats and ships.