The Great Sardine Run: Characteristics of sardines and their airborn predators

The video explores the sardine run in South Africa, highlighting the role of helicopters and airplanes in tracking sardine schools. It delves into the hunting techniques of gannets, their adaptations for diving, and the formation of sardine bait balls for protection. The video also examines the feeding frenzy involving dolphins and gannets, and discusses the nutritional benefits of sardines, including their high vitamin and omega-3 content.

What unique feature helps gannets dive deep into the water?

• Long beaks

• Webbed feet

• Air sacs in their faces

• External nostrils

Why do sardines form large bait balls?

• To find food easily

• To attract more sardines

• To confuse predators

• To migrate faster

How do dolphins hunt sardines during the sardine run?

• By diving deep into the water

• By swimming in circles

• By herding them into open water

• By using echolocation

What is a significant nutritional benefit of sardines for humans?

• Contains iron

• Low in calories

• High in vitamin C

• Rich in omega-3 fatty acids

What role do gannets play in the sardine run?

• They clean the ocean surface

• They hunt sardines from above

• They protect the sardines from predators

• They guide the sardines northward