The text mentions they do this if a "potential thief was present." Part 3: Achieving Extra Quality in IELTS Reading To get a Band 8 or 9, you Understand "The Key" (Keywords):
By following these tips and practicing with sample passages and questions, you can improve your IELTS reading score and achieve your desired band score. The text mentions they do this if a
Western Scrub-Jays demonstrate "episodic-like memory." They can remember what they cached, where they hid it, and—crucially—when they hid it, allowing them to recover perishable food before it spoils. where they hid it