In IELTS Reading, candidates may encounter statements requiring True/False/Not Given judgments. Based on the research discussed:
The wording in the question will use synonyms. For example, if the text says "crows manufactured hooks out of twigs," the question might ask for the paragraph containing "an example of tool modification." 2. True / False / Not Given (or Yes / No / Not Given) the intelligence of corvids ielts reading answers
Furthermore, corvids exhibit a capacity for what psychologists call "mental time travel"—the ability to recall specific past events and anticipate future needs. Western scrub-jays are habitual hoarders, caching thousands of food items across their territory every autumn. In a seminal study led by Nicola Clayton, jays were allowed to cache both crickets (a favorite but perishable delicacy) and peanuts (a less preferred but durable option). If allowed to recover their caches after a short interval, the birds chose the crickets. However, if a long period had elapsed, they skipped the crickets entirely and dug up the peanuts, proving they remembered exactly how much time had passed and understood the concept of decay. True / False / Not Given (or Yes
The implications of corvid research extend far beyond ornithology. It challenges the classic evolutionary ladder, proving that advanced intelligence did not evolve in a single, linear path culminating in humans. Instead, mammalian and avian lineages split over 300 million years ago, yet both managed to evolve identical cognitive solutions to complex environmental challenges. This phenomenon, known as convergent evolution, suggests that nature has a limited blueprint for high-level intelligence, and that under the right evolutionary pressures, even a creature without a neocortex can become a genius. Part 2: IELTS-Style Practice Questions Questions 1–6 If allowed to recover their caches after a
This refers to "false caching" or building decoy nests to mislead potential thieves or predators. Corvids recognize individual birds Answer Location: Usually Paragraph 3 or 4.
Rooks cooperated to pull a food platform.
: Rooks have shown the ability to work together to pull ropes for food, while jackdaws have demonstrated an ability to count up to five. Common Questions & Answers