The intelligence of corvids has significant implications for our understanding of animal cognition and behavior. By studying corvids, researchers can gain insights into the evolution of intelligence, and the complex relationships between cognition, social behavior, and ecology.
To master this passage on test day, practice skim-reading for main ideas and scan actively for names and key terms like "cache" or "New Caledonian crow."
Corvids are renowned for their exceptional problem-solving abilities. They have been observed using tools to obtain food, such as sticks to dig up grubs or rocks to crack open nuts. In one famous experiment, a crow was presented with a piece of food attached to a string. The crow was able to figure out how to retrieve the food by pulling on the string with its beak. This level of problem-solving is rare in the animal kingdom and is often seen as a hallmark of high intelligence.
A classic section of this reading text details an experiment inspired by Aesop’s fable "The Crow and the Pitcher." Scientists presented rooks with a floating food reward inside a tube containing water. The water level was too low for the birds to reach the food. the intelligence of corvids ielts reading answers
An account of an experiment showing that birds can track the passage of time regarding food freshness.
— The brain-to-body weight ratio of corvids is comparable to these.
If a scrub jay is watched by a competitor while hiding food, it will return later to move the food to a new spot. This suggests the bird can "predict" the intent of others—a high-level cognitive trait called Theory of Mind . 3. Mental Time Travel (Episodic Memory) The intelligence of corvids has significant implications for
The topic of corvid intelligence appears in various IELTS Reading passages. Below are common question types and their answers based on real exam materials.
Remember: the IELTS Reading section tests your ability to find and understand explicit information, identify writer claims, and follow logical argumentation—not your prior knowledge of birds. Even if you know that crows are intelligent, always base your answers solely on the passage provided.
Found in Paragraph B: "...they meticulously sculpt them into hooks to extract grubs..." wax worms (or perishable wax worms ) They have been observed using tools to obtain
What behavior have corvids been observed exhibiting to obtain food? Answer: Using tools.
— Crows harassed researchers because they had worn the mask when handling crows (perceived as a threat).
Found in Paragraph C: "...the jays prioritized digging up the delicious worms [wax worms]." 8. dominant rival