In Paragraph C, the text states that New Caledonian crows use tools "to extract fat grubs from deep tree crevices." 13. Answer: convergent evolution
Answer: FALSE
and ravens—possess cognitive skills that often rival or even surpass those of primates 1. The Master Toolmaker: Betty’s Innovation In the wild, New Caledonian crows are famous for crafting hooks from twigs spears from leaves the intelligence of corvids ielts reading answers
While obtaining is your immediate goal, the deeper value lies in recognising how academic texts are structured. Corvid passages typically move from anatomy (brain structure) to behaviour (tool use, memory, social tactics), then to comparison with other species (primates, dolphins), and finally to implications for animal cognition studies. Mastering this flow will help you predict content and locate answers faster.
Theory of Mind refers to the ability to attribute mental states—such as knowledge, intents, and beliefs—to oneself and others. Corvids show clear signs of tactical deception and perspective-taking. If a scrub-jay is watched by a rival while caching food, it will later return to dig up the cache and re-hide it in a private location once the competitor has left. This indicates that the bird understands the rival's visual perspective and potential future intent to steal. 4. Casual Reasoning and Problem Solving In Paragraph C, the text states that New
In your IELTS exam, a question might ask: Do corvids demonstrate the ability to plan for the future? The answer is . They possess metacognition —thinking about thinking—which allows them to delay gratification for a better reward.
The New Caledonian crow named Betty had received extensive training on how to bend metal wires before the experiment. Corvids show clear signs of tactical deception and
— Corvids can remember the locations of this many food caches.
Corvids, particularly scrub jays, cache (store) thousands of food items annually and recover them months later. More impressively, they remember: