So we all know about the various Shark films that have been released over the years… And those are great films. But (and these are a little less common now,) but in the past there has been some truly great creatures, (such as, Birds, Bats, Worms, etc…) That have become some real monsters. And I thought you might these interesting!
3: Squirm (1976).
2: The Birds (1963)
1: Empire Of The Ants (1977).
There are others, but these are a few that I really think you might like!