: New Caledonian crows (e.g., Betty) were observed bending wire into hooks to retrieve food, showing problem-solving beyond innate instinct.
: These birds can remember the locations of hundreds of different food caches.
Crows, like chimpanzees, are advanced tool users. Natural Behavior: Using tools to catch grubs/insects .
nidopallium caudolaterale / NCLExplanation: Found in the second paragraph, which describes the densely packed cluster of neurons. : New Caledonian crows (e
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Example: If the text says "cognitive feats," the question might say "intellectual achievements."
Would you like a vocabulary list from this passage with definitions and example sentences, or further IELTS reading practice on animal cognition topics? Natural Behavior: Using tools to catch grubs/insects
Corvids have been found to possess excellent memory and problem-solving abilities. For example, in the study mentioned in the passage, a group of crows were able to figure out how to open a puzzle box and obtain food, and they were even able to remember how to open the box after it had been modified to make it more difficult to access. This shows that corvids are able to learn and adapt quickly, and are able to solve complex problems.
Clark’s nutcrackers use spatial mapping to locate food hidden months earlier.
❌ and C are incorrect because the primary goal was to test facial recognition and memory, not to hide identities permanently or protect against aggression. B. had worn the mask when handling crows ✅ This link or copies made by others cannot be deleted
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Here are some extra quality answers that provide more detail and supporting evidence:
❌ and C are incorrect; tagging occurred during the initial capture, and removal of the mask stopped the harassment rather than intensifying it. Questions 4–7: Matching Actions to Intelligence
Questions 1–5Do the following statements agree with the information given in the Reading Passage?In boxes 1–5 on your answer sheet, write: TRUE if the statement agrees with the information FALSE if the statement contradicts the information NOT GIVEN if there is no information on this
Corvids recognize individual birds or can count (depending on the specific test version).