Multiple MatchingEsercizio 56 di 68

Scientists have long known that some birds use objects found in nature to help them gather food, but the New Caledonian crow takes this to another level entirely. Rather than simply picking up a loose twig, these remarkable birds actively manufacture complex tools. By carefully biting and bending stiff plant leaves…

• Which animal constructs specialized devices to help it access its food?
• Which animal makes a very specific noise that serves as its personal name?