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1、 crocodile ostrich penguin whale shark hippo zebra lion butterfly giraffe hummingbird reptile 爬行動物 mammal 哺乳動物insect昆蟲 crocodile鱷魚 ostrich 鴕鳥 penguin 企鵝whale 鯨 shark鯊 hippo河馬 zebra斑馬 lion獅子 butterfly蝴蝶 hummingbird蜂鳥 giraffe長頸鹿 wing翅膀 Mammals Mammals bodies are covered with hair or fur. Mother mammal

2、s feed milk to their babies. Mammals have warm blood Birds All birds have feathers. All birds have two wings. Mother birds lay eggs. Reptiles All reptiles have scales. Mother reptiles lay eggs. Most reptiles have four legs. A snake is a reptiles with no legs. Mammals: wings milk scales feather eggsR

3、eptiles: scales milk hair wings featherBirds: milk feathers scales sea Mammals: wings scales feathers eggsReptiles: milk hair wings feathersBirds: milk scales seamilkscales feathers First, I have wings. Second, I have feathers. What kind of animals am I ? You are a bird! First, I have scales. Second, I lay eggs. What kind of animals am I ? You are a reptiles! First, I have hair. Second, I have warm blood. What kind of animals am I ?You are a mammals!