企鹅的英文ppt
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1、 Penguin20132113310023Y The BiggestThe SmallestThey have 17 species,they are birds,but they cant fly.Though some live in warm zones,all penguins like cold weather.Emperor penguinName:Aptenodytes forsteriHeight:120cmWeight:30-45kgAppearance:Have bright yellow(orange)feather in front of their eyes or
2、neck.Habitat:AntarcticEat:Cuttlefish,fish,(especially Myctophidae)Adelie PenguinName:Pygoscelis adelliaeHeight:70cmWeight:4.4-5.4kgAppearance:black back,white body,have a small white circle in front of their eyes,black beakHabitat:AntarcticEat:Krill,Cuttlefish,fishCharacteristics:AggressiveAbout Mar
3、riageMonogamyLoyalButEmperor penguins are special78%of them may choose abandon their partner at the first yearMonogamy:一夫一妻制About BreedThey breed their eggs in cold weather,in case young penguin have enough food to grow in summer.Male have responsibility to breed eggs.After laying eggs,female walk 2
4、00 miles away to find food.Male usually do not eat food and lose less 50%of their weight in these 2 months.We always thought.But in reality,they face.PredatorHabitat changingGlobal warming causes the Iceland is decreasing.Though big iceberg breaking causes the area of sea is increasing,if they want
5、to find food in the sea,foraging will become much harder.Food decreasingOwing to global warming,some creatures like Krill their numbers are significantly reducing.With less food,penguins will face more grim situation.Virus-bird fluIn 2014,scientists found a bit of adelie penguins carrying a new and activated bird flu.Thanks for listening!
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