This movie exists

Ray Milland plays an aging, grumpy, physically disabled millionaire who invites his family to his island estate for his birthday celebration. Sam Elliot plays a free-lance photographer who is doing a pollution layout for an ecology magazine. Jason Crokett (Milland) hates nature, poisoning anything that crawls on his property. On the night of his birthday the frogs and other members of nature begin to pay Milland back.

I caught the tail end of this 1972 horror film with Sam Elliot while channel surfing the other day. I don't even have the words to express. I wish my timing had been better because I definitely do NOT have a problem watching a bunch of frogs devour an elderly male.