: Questions about tool manufacture (like "hooks" or "probes") will almost always be found in the paragraphs discussing New Caledonian crows. elearn.edu.vn IELTS Reading Tip 1. Find answers quickly
Beyond tool manufacture, corvids possess what psychologists call "episodic memory"—the ability to recall specific past events, including what happened, where, and when. In a landmark study at the University of Cambridge, scrub jays ( Aphelocoma californica ) cached food in two distinct locations. They learned that one type of food perished quickly while the other remained edible. When recovering their caches later, the jays preferentially searched for the durable food first, ignoring the perishable item. This indicates they mentally traveled back in time to encode the what-where-when of their caching. : Questions about tool manufacture (like "hooks" or
Paragraph A → (No direct match in this sample – often general intro) Paragraph B → iv Paragraph C → v Paragraph D → iii Paragraph E → i In a landmark study at the University of
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— Wild crows use tools to retrieve these from deep tree holes. This indicates they mentally traveled back in time
is an example of how Corvids protect themselves by tricking their enemies (false caching/tricks). Summary Completion Answers