How could a food web based on water be connected to food chain based on land? give an example

Some land animals, such as bears and kingfishers, eat animals that live in the water. In turn, some animals, such as crocodiles, that dwell primarily in water will eat animals that live on land. Also, many amphibians, such as frogs, and also some insects, start their life in the water, where they can prey and be preyed upon.