ELI5: Explain Like I'm 5

Optimal foraging

Optimal foraging is like when you go to a store to buy candy. You want to get the most candy for your money, but you also don't want to waste all your time walking around the store searching for candy. Animals do the same thing when they look for food. They want to find the most food they can, but they also don't want to spend too much energy looking for it.

Animals have to make decisions about what food to look for and where to look for it. They need to balance the amount of energy they spend looking for food with the amount of energy they get from the food. For example, if a bird needs high-energy food to survive, it will look for insects that give it a lot of energy. But if it is easy to find insects in one place, the bird will stay there instead of flying around to other places to look for more insects.

Animals also have to think about how much competition there is for the food. If a lot of animals are looking for the same food, it might be harder for them to find enough food to survive. So, animals will look for food where there is less competition.

In summary, optimal foraging is about making smart choices about where and what to look for food in order to get the most energy for the least amount of effort.