In ecology, a feeding frenzy is a type of animal group activity that occurs when predators are overwhelmed by the amount of prey available.
The term is also used as an idiom in the English language.
For example, a large school of fish can cause nearby sharks, such as the lemon shark, to enter into a feeding frenzy.
Another functional explanation for feeding frenzy is competition amongst predators.
For instance, a 2016 Bloomberg News article is entitled: "March Madness Is a Fantasy Sports Feeding Frenzy.