Are there any examples of predators that ambush scavengers?
Saltwater crocodiles in Australia are reputed to do this; storing meat under water and later eating the fish and crustaceans that are attracted.
Having trouble finding a good source for this.
Article from national news service below.
https://www.abc.net.au/science/articles/2004/01/15/2045125.htm
Feel free to add references if you can find them.