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Virtual Fieldtrip

                            Aves

Aves is a group of endothermic vertebrates, characterised by feathers, a beak with noteeth, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton.

 

 

                           North America

North America is a continent with many countries entirely within the Northern Hemisphere and almost all within the Western Hemisphere. 

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