The Intelligence of Corvids " is a popular IELTS Academic Reading passage that explores the remarkable cognitive abilities of the corvid family, including crows, ravens, and jays. Below are the questions, correct answers, and detailed explanations based on the passage text.
Key findings about corvid intelligence
Complete the summary below using words from the box.
: Corvids, specifically New Caledonian crows, do not just use tools but manufacture them, such as making hooks from twigs or spears from leaves .
proved otherwise in 2002. When her mate Abel took the only available hook, Betty took a straight piece of wire—a material she had never seen in nature—and bent it into a hook