Corvids are considered one of the most intelligent bird groups due to their innovative problem-solving abilities and complex social behavior. They have been observed using ______________ (1) to obtain food and solve problems. For example, crows have been seen using ______________ (2) to dig up grubs from the ground.
Corvids have excellent memory and learning abilities. They are able to remember the location of food caches, as well as the faces and behavior of individual humans. In one study, a group of crows were presented with a series of faces, some of which were associated with food rewards. The crows were able to remember which faces were associated with food and would approach those individuals for rewards. the intelligence of corvids ielts reading answers