How to Keep Elephants and Wolves Out of Your Yard

The video explores the challenges of creating effective fences for animals, highlighting the need to understand the target species. Examples include beehive fences in Africa to deter elephants, using scent to create borders for wolves, and genetically modified papaya to combat viruses. These biologically inspired solutions target specific species without disrupting ecosystems, emphasizing the importance of knowledge in defense.

What is a common issue with human-designed barriers for animals?

• They are harmful to the environment.

• They often fail to consider the animals' perspectives.

• They are too expensive to build.

• They are too complex to maintain.

How do farmers in East Africa deter elephants from their crops?

• By planting thorny bushes.

• By using electric fences.

• By building beehives with fences.

• By using loud noises.

What method is used in Idaho to prevent wolves from attacking sheep?

• Installing motion sensors.

• Using guard dogs.

• Sprinkling the ground with rival wolf pack scents.

• Building taller fences.

What was the solution to protect Hawaiian papaya crops from a virus in the 1990s?

• Building physical barriers around the crops.

• Importing virus-resistant papaya from other countries.

• Using chemical pesticides.

• Genetically modifying some papaya plants.

What is the main advantage of biologically inspired fences?

• They target specific species without affecting others.

• They are more visually appealing.

• They are cheaper to build.

• They are easier to maintain.