Well the Cowboy in me wants to say a herd of...

The farmer in me wants to say a flock of ...

Just being Larry, I want to say a bunch of...

Or maybe even a pile of...

But, to be correct, I would say a brief of...

Or I would say a pod of...

Or I would say a pouch of...

Or even a scoop of...

And to cover the bases, I would refer to squadron of...

Yes there was a pelican on Reinhold Lake today and joining him were about twenty more. Yes...Pelicans.

Notice the size by comparing them to the ducks along the shore.