The Intelligence Of Corvids Ielts Reading Answers Extra Quality -

— Wild crows use tools to retrieve these from deep tree holes.

Inspired, Mei decided to test their problem-solving with a simple experiment. She placed a shiny button on a low table and watched. The crows arrived in a black, gossiping cloud. One crow, smaller than the rest, hopped onto the table, tapped the button with a toe, and hopped back. The button triggered a small compartment of peanuts. The flock erupted in triumphant caws. Over the next week Mei adjusted the task: they had to pull a string, push a lever, and later, to combine steps in sequence. — Wild crows use tools to retrieve these

The IELTS reading passage titled " The Intelligence of Corvids The crows arrived in a black, gossiping cloud

: Ensure the text explicitly confirms a behavior; don't assume a bird can do something just because it seems "smart" enough. elearn.edu.vn The flock erupted in triumphant caws

The physical size of a crow’s brain is a disadvantage compared to primates.

Corvids have also been found to have excellent memory and problem-solving abilities. In one study, a group of crows were presented with a puzzle box containing food. The crows were able to figure out how to open the box and obtain the food, and they were even able to remember how to open the box after it had been modified to make it more difficult to access.