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
The New Caledonian crow is the only bird known to use tools in the wild. the intelligence of corvids ielts reading answers
Are you practicing with a (like Cambridge 11 or 15), or would you like a mock paragraph to test your scanning skills? proved otherwise in 2002