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UPSC Prelims 2023 Question on – Animal Tool-Making Behavior
Q. Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?
✅ Correct Answer: [B] Orangutan
Explanation:
- Orangutans are among the few animals known to make and use tools.
- They strip leaves and twigs from branches to create simple tools.
- These tools are inserted into holes in trees or logs to extract insects and food items.
- Studies on Sumatran orangutans (Pongo pygmaeus abelii) have shown both tool-making and tool-using behavior.
- When a tool is ineffective, orangutans may modify the tool or change their technique, demonstrating problem-solving abilities.
