Wildlife Wonders: Day 2 - Spongers of the Sea

The Clever Dolphins

Masters of Tool Use

Let's build some background knowlege about dolphins

The Clever Dolphins

Dolphins in Shark Bay, Australia, have been observed using tools to hunt for food. Despite lacking hands, these intelligent creatures have found a way to overcome this limitation. Discover the fascinating world of dolphins and their mastery of tool use.

Multiple Choice

What is the main topic of the passage?

• The hunting techniques of dolphins in Shark Bay, Australia

• The intelligence of dolphins in Shark Bay, Australia

• The tool use of dolphins in Shark Bay, Australia

• The limitations of dolphins in Shark Bay, Australia

Tool Use of Dolphins

Dolphins in Shark Bay, Australia have been observed using tools to hunt for fish. They use sponges as protective gear while foraging on the seafloor, preventing abrasions. This behavior is unique to this population of dolphins and showcases their intelligence and adaptability.

The Clever Dolphins

Dolphins in Shark Bay have mastered tool use to find bottom-dwelling fish. These fish lack the body part that creates an echo, making them hard to locate. Dolphins use their noses to search for the fish, often injuring themselves. However, they have discovered a solution - a sponge tool. These sponges, shaped like cones, help dolphins locate the hidden fish without harm.

Multiple Choice

What tool do dolphins in Shark Bay use to locate bottom-dwelling fish?

• Sponges

• Echoes

• Noses

• Cones

Dolphin Tool: Sponges

Dolphins in Shark Bay use sponges as a tool to locate bottom-dwelling fish. They wear sponges on their snouts to protect them while foraging. This unique behavior is passed down from mother to calf, making it a cultural tradition among these dolphins. It showcases their intelligence and adaptability in finding food.

The Clever Dolphins

Dolphins in Shark Bay use their rostrum to break off cone-shaped sponges from the seafloor. They then wear the sponges over their rostrum to protect it from injury while hunting for food along the ocean floor. This hunting technique is called sponging. It allows dolphins to navigate through jagged rocks and broken coral without getting cut.

Multiple Choice

What is the hunting technique used by dolphins in Shark Bay?

• Sponging

• Cone-breaking

• Rostrum-wearing

• Coral-navigating

Sponging

Sponging is the hunting technique used by dolphins in Shark Bay. They place sponges on their snouts to protect them while foraging for food on the seafloor. This behavior is unique to the dolphins in this region and is passed down from mother to calf. It's a fascinating example of cultural transmission in the animal kingdom.

The Clever Dolphins

Dolphins exhibit fascinating behavior patterns. Mother dolphins teach their calves how to use sponges, while sponging dolphins tend to socialize with each other. Scientists study dolphins to gain insights into their cognition and behavior.

Multiple Choice

What do scientists study dolphins for?

• To gain insights into their cognition and behavior

• To observe their fascinating behavior patterns

• To understand how mother dolphins teach their calves

• To study their socialization patterns

Dolphin Studies

Scientists study dolphins to gain insights into their cognition and behavior. They observe fascinating behavior patterns, understand how mother dolphins teach their calves, and study their socialization patterns. Dolphins are highly intelligent creatures that continue to amaze researchers with their complex social structures and communication skills.

Now let's read
Spongers of the Sea

Poll

Bottom dwelling fish in Shark Bay are a problem for dolphins because they are not nutritious enough for the dolphins. ​

• Fib
• Fact

Poll

This selection states that fish protect themselves from dolphins by swimming in a darting pattern in the open water. ​

• Fib
• Fact

Poll

This selections was most likely written to encourage readers to visit Australia.​

• Fib
• Fact

Poll

The idea that dolphins use their rostrums to help them locate food in the ocean is illustrated by the photograph. ​ ​

• Fact
• Fib

Multiple Choice

According to the selections, how do fish protect themselves from dolphins?

• They bury themselves beneath the sand along the sea floor.

• They take cover under sharp rocks and pieces of coral.

• The swim in a darting pattern in the open water.

• They make a ringing noise that tricks dolphins.

Multiple Choice

The author wrote the selection most likely to-

• encourage the reader to visit Australia

• describe how dolphins use sponges as tools

• explain to the reader where dolphins find food

• identify which ocean animals live in Shark Bay

Multiple Choice

How do the bottom-dwelling fish in Shark Bay cause problems for the dolphins?

• The fish swim so quickly the dolphins are unable to catch them.

• The fish are not nutritious enough to support the health of the dolphins.

• The fish travel to other locations during certain times of the year.

• The fish do not have a cdertain body part that allows the dolphins to locate them.

Multiple Choice

Which idea from the selection is illustrated by the photograph?

• Bottom-dwelling fish in Shark Bay may be hard for dolphins to find.

• Researchers think dolphins are more intellegent than many other animals.

• Dolphins use their rostrums to help them locate food in the ocean.

• Shark Bay dolphins fit sponges over their rostrums before searching for fish.