The Intelligence Of Corvids Ielts Reading Answers Extra Quality _best_ -
Explanation: Crows remembered individuals who had tagged them. ✅ B. The crows did not harass them. Explanation: Without the mask, the threat was gone. Matching: Corvid Behaviors Opening boxes for food: Suggests capability to count. Pulling ropes: Indicates cooperative problem-solving. Hiding food: Highlights spatial memory.
The passage explicitly states that the birds "distinguished between perishable and non-perishable food" and retrieved them accordingly. Notice the trap options: A is a general statement about brain size but not the specific finding of this experiment. B talks about tool use, but this experiment was about memory and food storage, not tools. D is completely opposite to the passage's argument. To avoid these traps, always locate the specific noun phrase ("Clayton and colleagues") in the text and read the surrounding sentences carefully, not just the general topic. Explanation: Without the mask, the threat was gone
Below are three distinct IELTS-style reading passages related to corvid intelligence. Each section provides the passage summary, the questions, the correct answers, and—most importantly—"Extra Quality" explanations that teach you why the answer is correct and how to avoid traps. Hiding food: Highlights spatial memory
Paragraph E explicitly confirms: "If it notices another bird watching, it will frequently fake a cache... before flying off to hide the actual prize elsewhere." and "cognitive flexibility." 13. convergent evolution
Corvids, in particular, have been shown to possess a high level of intelligence. Their use of sticks to retrieve food and their complex vocalizations to communicate with each other are just a few examples of their problem-solving abilities. Additionally, their cooperative behavior, such as sharing food and working together to achieve a common goal, demonstrates a level of cognitive complexity that is similar to that of humans.
Paragraph E states that this dense region of neurons facilitates executive functions, working memory, and "cognitive flexibility." 13. convergent evolution