How do terns catch fish?

Terns are a type of bird that live near bodies of water, such as oceans and rivers, and are known for their unique ability to catch fish. They are particularly skilled at hunting small fish, such as herring and sand lance, which make up the majority of their diet.

One of the most fascinating ways that terns catch fish is through plunge diving. This involves the bird flying over the water, and then quickly diving into it, sometimes at speeds of up to 60 miles per hour. As they dive, their wings fold back and their body becomes streamlined, allowing them to plunge deep into the water to catch fish. Terns can dive up to depths of 20 feet, and remain underwater for several seconds as they chase their prey.

Another way that terns catch fish is by surface dipping. This method involves the bird skimming the surface of the water with its beak open, and catching any fish that it comes into contact with. This technique is particularly useful for catching small fish, which are abundant near the surface of the water.

Terns are also known for their ability to hover over the water, and then suddenly plunge down to catch fish. This is called hover fishing, and is a technique that requires a great deal of skill and precision.