Here are some IELTS-style reading answers related to the intelligence of corvids:
Most answers are found in paragraphs describing specific laboratory or field studies. Summary of Key Answers Matching Feature Paragraph Location Pulling ropes for food Working together (Cooperation) Hiding food from others Skilled memory / Social awareness Building "fake" nests Tricking enemies (Deception) Identifying people/birds Recognizing individuals The Intelligence of Corvids IELTS Reading Answers
Birds building a fake nest matches the trait: . Summary Completion