Exploring Real-Life Unicorns

The video explores real-life creatures with horns, such as narwhals, rhinoceroses, and unicornfish, highlighting their unique features and uses. It discusses the narwhal's tusk, rhino horns, rhinoceros beetle horns, and the casques of hornbills, among others. Each creature's horn serves different purposes, from mating displays to environmental sensing. The video concludes with a nod to mythical unicorns and a promotion for unicorn-themed stickers.

What is the primary material that makes up a narwhal's tusk?

• Dentine

• Calcium

• Keratin

• Chitin

Which of the following is NOT a proposed function of the narwhal's tusk?

• Flying

• Sensing water salinity

• Mate selection

• Breaking up ice

What protein is primarily found in rhino horns?

• Collagen

• Chitin

• Dentine

• Keratin

How do male rhinos typically resolve territorial disputes?

• By charging immediately

• By engaging in a staring ritual

• By vocalizing loudly

• By using their horns to dig

What is a unique feature of the rhinoceros beetle's horn?

• It is hollow

• It is used for digging

• It is used for flying

• It is made of cartilage

How do rhinoceros beetles use their horns during mating?

• To fly faster

• To dig for food

• To pry competitors off trees

• To attract females with color

What is the primary function of the hornbill's casque?

• For fighting

• To amplify calls

• For digging

• To store food

What material is the horned screamer's horn made of?

• Cartilage

• Chitin

• Keratin

• Bone

What is the horn of the horned baboon spider thought to assist with?

• Digestion

• Mating

• Defense

• Flying

What unique feature does the unicornfish display during courtship?

• Using horn for digging

• Changing horn color

• Changing horn size

• Using horn for defense