UPSC Prelims 2023 Question:

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?

Explanation:

• Orangutans are the largest arboreal mammal, spending most of their time in trees. Long, powerful arms and grasping hands and feet allow them to move through the branches. These great apes share 96.4% of our genes and are highly intelligent creatures.
  
  
• They have been observed as using sticks for fishing out bugs from bark. Researchers have also spotted orangutans using sticks to extract seeds from fruit and scrape insects from a hole in a tree in the wild. 
  
  
• The name orangutan means "man of the forest" in the Malay language. In the lowland forests in which they reside, orangutans live solitary existences. They feast on wild fruits like lychees, mangosteens, and figs, and slurp water from holes in trees. They make nests in trees of vegetation to sleep at night and rest during the day. 
  
  

Therefore, option (2) is the correct answer.

Subject: Environment | Biodiversity and Conservation