英语作文动物狗（20篇）

我喜欢的动物My Favorite Animal

Ilike dogs, because they are man’s good friends. They can do many helpful thingsto us, such as guarding our houses, greeting guests, helping the police, and soon. Some trained dogs can even lead the blind people and save people’s lives.So they‘re treated as our family members. I hope someday dogs will be in greatharmony with human-beings.

我喜欢狗，因为它们是人类的好朋友。他们可以为我们做很多有用的事情，如，保护房子，问候客人，帮助警方等等。一些受过训练的狗甚至可以引导盲人、拯救人们的性命。所以他们都被当做是我们的家庭成员。我希望有一天狗能与人类和谐共处。

我家有两只小狗，是我最喜欢的小动物。它们是是爸爸的朋友送给我的。我爱喝可乐，所以我给它们取的爱称叫“可可”和“乐乐”。它们是贵宾犬，全身棕色的卷毛没有一点杂色，乌黑光亮的小鼻子配上水汪汪的眼睛，还有那粉红色的小舌头，吃起东西来一舔一舔的，那样子，别提有多可爱了！

可可和乐乐玩耍的样子很可爱，它们俩最喜欢趁我们不在时，跳到沙发上蹦来蹦去。有一天，正好被爸爸看见了它们在沙发上，爸爸大喊了一声，两只小狗马上很识趣的跳下沙发，乖乖的卷缩在客厅角落里，用可怜兮兮的眼神向爸爸求饶，好像在说：“我下次不敢了，原谅我吧！”爸爸训斥了它们俩一顿，就把它们放回了各自的笼里。可可是母狗，所以她的笼子是粉色的。乐乐是公狗，所以他的笼子是蓝色的。虽然是“狗窝”，但是它们很干净。

可可喜欢睡懒觉，乐乐却是个“夜猫子”，尽管很晚了，但只要稍微听到什么或看到什么，乐乐就会发出“警报”，做好战斗准备。可可还有一个贪吃的毛病，每天晚上我给它俩吃晚餐时，可可先吃完自己的，然后马上去抢乐乐的。被抢了几次后，乐乐变机灵了，它学会了关上狗笼保护食物，只见它先用前掌按住铁笼的钩子，往上一提后它的笼子就关上了，这样可可只好眼睁睁的看着乐乐在里面把狗粮吃完。

可可和乐乐为我们家带来了很多欢乐，陪伴我走过幸福的童年。

姥姥家养了一只聪明的小狗，它的毛是黄色的，眼睛水灵灵的，耳朵上的毛特别长，模样十分可爱。

有一天深夜，一个小偷从姥姥家的纱窗钻进了房间，在客厅里翻东西。这时，那只小狗醒了，对着小偷汪汪地大叫。小偷一看大事不好，就急忙从纱窗钻了出去。狗发现小偷跑了，就跑到姥姥、姥爷的房间门口，使劲儿地大叫，还不停地用爪子挠门。姥爷醒了，连忙给小区的保安打电话报警。最后小偷被抓住了，还追回了二百元钱。

大家都说姥姥养了一只聪明、勇敢的好狗。为了奖励它，姥姥每天都喂它鸡蛋，它吃完了就会把两只前爪搭在姥姥的身上，向姥姥撒娇。

我家养了一只小狗叫佳佳。它的眼睛又大又黑像两颗明亮的黑宝石，他的毛色纯正金黄。而且佳佳的嗅觉灵敏，听力超人，速度也很惊人。如果大家不相信就听听我说几个小故事吧。

佳佳是个很尽职的“保安”。别看它平时贪玩，爱趴在门口睡觉，但只要有一丝响动，它就会猛一抬头，竖起耳朵，目不转睛的注视着前方。如果是它认识的客人来了，它会亲热的迎上去，不停的摇摆着尾巴。假如见到陌生人，它就会发财响亮的叫声，想吓唬别人，其实是在为自己壮胆。

佳佳的速度很惊人，有一次我和它赛跑，它很大方的让我先跑了几米，然后像一支离弦的箭一样飞一般的冲过来，当我跑到终点时候，佳佳早就趴在地上向我吐舌头了。

还有一次，我家院子里来了一只老鼠，被佳佳看见了，佳佳便毫不犹豫地冲了过去，一下子就把老鼠给逮住了。随着老鼠一阵尖厉的惨叫声和佳佳的低吼声，不一会儿，那只可恶的老鼠便断气了。从此以后，我们家便看不到老鼠了。

佳佳很灵气，它似乎能听懂人的语言，一次，我洗完脚忘记拿拖鞋了，我便把佳佳叫了过来，我一边用手指着对面地上我的那双鞋，一边发出指令：“佳佳，快把那双鞋子拿过来。”不料，佳佳对我摇了摇尾巴后竟很听话地顺着我手指的方向，分两次真的把我的那双鞋给叼到了我的跟前。

每当逢年过节，我们家人都会逗佳佳玩，要它向大家做个“恭喜发财”这时，佳佳便会站起来，把两条前腿搭在一起，并不断摆动着自己的尾巴，睁着两只大眼睛，仿佛在对面前的每个人说：“大家节日好，恭喜发财。”于是，我们便会从佳佳有趣的动作里获得新的快乐，分享它带给我们的“如意”和“吉祥”。

我很喜欢佳佳，因为，它非常聪明、活泼、机警可爱。

我家有一只小狗，它全身毛绒绒的，一双圆溜溜的眼睛，一对灵敏的耳朵，能踢那个到旁边一切可以听到的声音，锋利的爪子，尾巴翘的高高的，显得非常傲慢，小狗也很凶猛，只要稍微听到脚步声就会发出警报做好战斗的准备。

小狗不仅调皮，而且很丰富有音乐感。一天，我拿来音乐机放音乐，小狗听到了连骨头都不啃了，它朝我走来，我猜测它知道了录音机里是人传来的，它跳起舞来，尾巴摇来摇去，真像一位指挥乐队的教师。

小狗特别爱吃饼干。我借这次机会，先把竹子当鱼钓接着我拿来一条绳子把绳子吊在竹子的另一端，最后把饼干吊在绳子的另一端，我把饼干晃来晃去，弄得小狗眼花缭乱。忽然小狗马上扑了上去，我一下把饼干放到后面，小狗扑了个空。持续了好几分钟，小狗假装‘败退’我也放松了警惕，小狗迅速转身咬住了我的饼干，幸亏我动作开，小狗只咬住了我的半块饼干。

这就是我可爱又有趣的小狗。

In our country, the number of wild animals is becoming smaller and smaller. Some of them are even dying outThe dangerous methods we human being has taken are as follows:

We have been cutting the trees to build houses, so the home of animals is intruded and they have to find new places to live. In this process, some of them died in the new environment.

The abuse of pesticide has also been endangering the life of wild animals.

In addition, in order to earn money, people have been killing the rare wild animals.

In that we have realized the threat of our behavior to our best friends, we should take actions to change such a condition by taking the following methods:

We should protect the wild animal by protecting the environment that they live in and protect themselves, not to hurt them. At the same time, we should establish more natural reserves for the wild animals.

I believe as long as work together to protect the wild animals, our life will be more and more comfortable.

Do you know what my favorite animal? Is the dog of course. My grandma keep a dog, it has a beautiful black hair, a pair of intense big eyes, four legs as fast like a rocket.

One day, I found more doghouse puppy, oh! Originally was born a bitch, a total of four. The dog is cute and naughty, every day running around in the yard, for a while to run the house, ran upstairs after a while, a moment to hide it, run it after a while, as if with a group of friends hide under, from time to time, the old dog to the dog barked two cry, as if to say: "children, dont go to far, pay attention to safety." Play with the dogs have been tired of a day, a meal, stretch and a yawn, into the arms of mother, dogs quickly into the sweet dream sweet, return in mouth every now and then a rumbling sound, as if to say talk in a dream.

The next morning, the birds singing in the branches, wake up the sleeping dog, a yawn, they stretch, rub the sleepy sleepy eyes, began to a day of happy life.

Look! How happy puppy, it is a happiness.

你知道我最喜欢什么动物吗?当然是小狗。我姥姥家养了一只小狗，它有一身乌黑亮丽的毛，一双炯炯有神的大眼睛，四只腿跑得像火箭一样快。

有一天，我发现狗窝里又多了一些小狗，哦!原来是这只母狗生的，一共四只。这些小狗又可爱又调皮，每天在院子里跑来跑去，一会跑屋里，一会跑楼上，一会躲那，一会跑这，好像跟一群小朋友躲迷藏，时不时，老狗还向小狗汪汪得喊两声，好像在说：“孩子们，别跑太远了，注意安全。”玩了一天的小狗们都累了，吃完饭，伸个懒腰，打个哈欠，投入到狗妈妈的怀抱里，小狗们很快就进入了甜甜的梦香，嘴里还时不时的发出咕咕的声音，好像在说梦话。

第二天早上，小鸟在枝头唱歌，叫醒了正在熟睡的小狗，它们打个哈欠，伸个懒腰，揉揉睡意惺忪的眼睛，又开始了一天的快乐生活。

瞧!多么快乐的小狗，真是幸福美好的一家。

DOG    Wong!wong!wong!   Ah well cute,A white dog,Is a public dog.   A pair of sparkling eyes,A light gray hair,There are a small mouth,The longer of the two butterfly-like ears, Many seem to next mustache nose in a very cute. It is a favorite play, the mouth of the total did not blow a mouth full of small balloon . The small dog named Peas,Peas are born masters of the day bought, like buying seeds, like water, they are the large seeds, So called Peas.

你知道我最喜欢什么动物吗？当然是小狗。我姥姥家养了一只小狗，它有一身乌黑亮丽的毛，一双炯炯有神的大眼睛，四只腿跑得像火箭一样快。

有一天，我发现狗窝里又多了一些小狗，哦！原来是这只母狗生的，一共四只。这些小狗又可爱又调皮，每天在院子里跑来跑去，一会跑屋里，一会跑楼上，一会躲那，一会跑这，好像跟一群小朋友躲迷藏，时不时，老狗还向小狗汪汪得喊两声，好像在说：“孩子们，别跑太远了，注意安全。”玩了一天的小狗们都累了，吃完饭，伸个懒腰，打个哈欠，投入到狗妈妈的怀抱里，小狗们很快就进入了甜甜的梦香，嘴里还时不时的发出咕咕的声音，好像在说梦话。

第二天早上，小鸟在枝头唱歌，叫醒了正在熟睡的小狗，它们打个哈欠，伸个懒腰，揉揉睡意惺忪的眼睛，又开始了一天的快乐生活。

瞧！多么快乐的小狗，真是幸福美好的一家。

向辰玮

我家以前有一只小狗，他很重，也很胖。所以我给它取了一个名字，叫“小胖”。

小胖它全身都是黄色的，两只小小的眼睛像两颗紫葡萄，嘴巴大大的，它每次都用自己的舌头去舔水喝。

小胖是一只看门狗，它很凶，凡是遇见生客都会大声叫嚣。有一次我路过小胖的旁边，它也冲着我叫。我往后一看，一个陌生的叔叔在我后面走过。“啊！吓死我了，我还以为小胖不认识我了呢！”。我感叹道。

我还记得小胖咬过我两次。第一次小胖在吃饭，我觉得无聊，我就把纸条丢到小胖的嘴下面，那一瞬间小胖猛扑过来，咬了我一口。“小胖，你……”；第二次我记得不太清楚怎么咬的我了。

小胖虽然很凶但是非常可爱，非常聪明，有一次我想测一测小胖的IQ，我把手放在它的面前，我预想的是它会把爪子放在我的手上，结果它真的放了上去。

我喜欢我家的狗，它很聪明，可爱。可惜（后面保密）它已经不在了。

Children， you grabbed the small tadpoles right， you must know that tadpole grew up to become small frog， the frog can eat insects， so the frog is our humans good friends。 We should protect it， not hurt it。 But some hotels are also sold the frog meat？ Once， dad and his friends took me to dinner。 A waiter said： "you see， this is we store the launch of new specials， stir flogs ball"。 "Chicken is what ah？" I curiously ask， "chicken is the frog。" The waiter said， with a smile。 I was very angry， because they hurt our good friends—frog！ Another thing， he makes a big inspiration。 One day， when I finish school， saw a man at the school gate at little chicks must sell， and I will have mercy on them。 Because the little chicks must first came to this world， away from the mother， away from the mother love and mother warm embrace， and this is what they faced starved to death， the risk of freezing to death。 At that time I thought： we humans are so happy！ When you see here， did you see to protect our human friends—animals！

在动物家庭中，有一种乖巧、驯良的动物，那就是狗。它对主人忠诚，即使主人骂它，打它，它也从来不会反抗，当主人遇到危险时，它便会毫不犹豫地扑上去解救主人。

狗的嗅觉很灵敏，只要把鼻子贴在地上，它就能闻到地底下的气味和几百米外的美食。就拿搜救犬来说吧，四川发生地震后，搜救犬日夜不停地工作，救回了无数人的生命呢！

狗的种类有许多，比如狼狗、金巴，牧羊犬、狮子狗、导盲犬……最可爱的要数小金巴，它有着一身雪白发亮的毛发，两个“黑葡萄”印在上面，这双可爱的大眼睛在夜间时能放出绿色的光，怪恐怖的呢。你要是有过亲身经历，一定会和我一样，被吓得魂飞魄散。最温柔的是导盲犬，它可以帮助盲人过马路，是残疾人生命中不可缺少的一部分呢。

狗的品种不同，当然它们爱吃的食物也不一样，大部分狗狗都爱吃狗粮，但也有狗狗爱吃一些古怪的食物。有时爱吃鸡肝，但没过几天它又换胃口了，又吃起了高贵的牛肉。吃着吃着，越吃越好，竟吃上了牛排。也有的狗狗喜欢和猫抢着吃猫鱼，胆小的猫咪只好在一旁观看吃得津津有味的狗，假如你看见这个景象，一定会想起弱肉强食这个成语。猫也不是好惹的，有时急了，会在狗狗的脸上留下一条掌印，狗狗只好逃走了。

别看狗狗蛮可爱的，可它们身上有着几百万个细菌呢，它们在狗狗身上跳着、蹦着，狗狗不得不伸出锋利的爪子挠挠身，有时太用劲了，爪子钩在了毛里面，只好向主人求救了。

From the passage we know that thousands of endangered animals are facing the threat of being bought and sold on the internet. Traders make a great profit from it，which is illegal.

As is often read in the newspaper reports， wild life especially the rare species are threatened with extinction. Human beings are making attempts to hunt wild animals for a big profit， which， of course， results in a sharp decrease in the number of animals.

Therefore， it is high time for us to take quick action to protect them. First of all， it’s quite necessary for every citizen to realize the importance of animal protection. Only by knowing its importance can people develop a sense of responsibility. In addition， the government should pass some laws to forbid any hunting of rare animals.

If I were one of the endangered animals， I would hope that man could be a good friend of mine rather than my enemy.

从文中我们知道成千上万的濒危动物面临的威胁是在网上买卖。交易员有很大的利润,这是非法的。

经常在报纸上看到报道,野生动物尤其是稀有物种濒临灭绝。人类正在试图猎杀野生动物,也赚了不少钱,,当然,导致动物的数量急剧减少。

因此,是时候为我们迅速采取行动来保护他们。首先,它是非常必要的对于每一个公民意识到保护动物的重要性。只有通过了解它的重要性人们可以开发一种责任感。此外,政府应该通过一些法律来禁止任何捕猎珍稀动物。

如果我是濒危动物之一,我希望那个人可能是我的一个好朋友而不是我的敌人。

我爷爷家养过许多的动物，有小兔、松鼠、小鸟……这些动物中，和我最亲热的就是小狗了。

你看它，一幅可爱的面孔，一对大大的眼睛。像一对蓝宝石。一身咖啡色的毛，毛茸茸的，加上一个绒球似的尾巴，安在身体上，可爱极了。它的嘴巴大大的，有着锋利的牙齿。像狼一样的脑袋。看上去挺吓人的。它的腿长长的。身子到我大腿处，是一条不错的狼犬。

如果现在允许捕猎，它一定能成为捕猎的好手。

我呀！特别喜欢它。每次给它喂食，我都会把食物拿得高高的，时左时右，让它抢不到。它可着急了。伸长脖子，抬高前腿，急得不知如何是好。抢了半天，如果抢不到。它总是耷拉着脑袋，摇着尾巴独自走到一边去，好像是在生闷气。我见它这样，将食物给它。它呀！连忙跑过来，抱着骨头啃起来。

有时候，我跟它做游戏——比跳高。我总是比它跳得高，它不服气，抓住栏杆，来了个漂亮的空中倒立。动作是那么地漂亮。就像一个杂技演员。

我喜欢爷爷家的小狗，它是我最好的动物朋友。

My favourate animal is tiger,because tiger is very strong and powerful,it is the king of the forest.Tiger looks handsome as well, the skin has two corlors:yellow and black,and they are both my favourate colors.

I like tiger,and the year 201X is just the Chinese tiger year.I hope all the people will keep healthy,just like tiger.

My favourite animal is the dog.They are so cute ,and are our honest friend.

We have a dog with grey furs and black eyes called Wangwang. Wangwang likes eating.My mother said that hes as greedy as I am.When we are having dinners,he usually crouches (蹲)in the face of us and looks at our food with hungry eyes . At that moment,I always cant help throwing the food in my mouth to him.

Every afternoon when i come back home from shool,Wangwang often runs to me and hug my legs.Hes so happy to see me back.When Im free ,I usually take him to play outside. We run in the field in Spring ,and swim in the river in Summer.Hes my best friend.

I love my dog—Wangwang.

Live in the dense forest, many small animals. Every spring they hold a grand acrobatics competition. This years competition is very busy, small animals came to the venue early and took out his magic sauce.

First of all, beautiful peacock dances: he head high head, chest, belly on tail slowly, gently shake the feathers; His head from time to time is to the east, west, the fan tail like a gorgeous colorful dress, and tightly attracted the audiences eyes.

Then, the dog show Riding on the swing. See his jump, jump to the swing, both hands hold the rope. He first gently swinging back and forth a few, and then make sufficient strength, flaring, his superb action see person dazzled.

The most wonderful for its black bear on wood pellets. Heavy black bear carefully standing on wood pellets above board, feet or so back and forth to keep balance. Wood ball turning around, but he firmly when local, not nervous. You see, his right hand on the waist, left hand waving to the crowd. His wonderful performance won applause...

The annual acrobatics competition ended, but the animals good show, for a long, long time also by forest residents are talking about.

茂密的森林里，生活着许多小动物。他们每到春天都要举办一次盛大的杂技比赛。今年的比赛更是热闹非凡，小动物们早早来到会场，纷纷拿出自己的绝活儿。

首先，漂亮的孔雀表演舞蹈：他昂着头、挺着胸，慢慢地展开尾巴，轻轻抖动着羽毛;他的头时而摆向东、时而摇向西，那条扇子似的尾巴像一件绚丽的七彩衣，紧紧 吸引着观众的眼神。

接着，小狗表演 荡秋千。只见他纵身一跃，跳到秋千上，双手紧紧抓住绳子。他先是轻轻地荡了几个来回，然后就使足劲，直冲云宵，他高超的动作看得人眼花缭乱。

最精彩的要数黑熊踩木球了。笨重的黑熊小心翼翼地站在木球上面的木板上，双脚左右来回摆动以保持平衡。木球转动着，他却稳稳当当地、丝毫不紧张。你看，他右手插在腰上，左手挥舞着向观众致敬。他精彩的表演博得阵阵掌声……

一年一度的杂技比赛结束了，但动物们精彩的表演，很久很久还被森林的居民们谈论着。

我家养了一只顽皮可爱的小狗，它的名字叫毛毛。（开门见山开头，注意了词汇的运用。）

毛毛全身是白色的，略带斑点，（整体特征）一个圆溜溜的脑袋上嵌着一双珍珠般的大眼睛，下面是一个黑黑的鼻子和一张小小的嘴，（局部特征。）一条短尾巴向上卷起，像一团小绒球一样可爱极了!（典型特征）

毛毛有时候喜欢吃肉，有时候喜欢吃土豆片，还有的时候喜欢吃骨头，偶尔也会吃点香肠。它也是我的“小闹钟”，每天早上它都会跑到我床边叫醒我。（简单的介绍一下毛毛的生活习性，为下文做铺垫，最好再细致生动些！）

有一次，爸爸、妈妈都不在家，我在写作业。大概是毛毛太饿了，就自己去厨房找吃的，还好我们早上吃的是鱼，地上还有一些鱼骨头，它狼吞虎咽的吃着鱼 骨头，都没有发现我站在它身后。不一会，它填饱了肚子，刚一转身就发现了我，它在我身上蹭了几下，真是太可爱了!（缺少狗吃食物的一连串的动作描写，不够 生动形象，请你补上！）

都说狗是人类的朋友，我看这话一点也不假。自从毛毛到我家，不但给我带来了欢乐，也给家人带来很多乐趣。我喜欢它，我愿意永远和它是“好朋友”！（抒情式结尾。）

i have two turtles, they are cute. i′ve had them for two years.

they carry heavy shells,just like carrying a school bag. they have eyes which shines just like black beans. they are funny.

they are like to eat the watermelon in the summer. mother always buy more for the turtles,so i think that they like to cool down as well, but they are shy when eating, they don′t want to be watched, as they inhaling the food . the ofter day , i bried to observe how they eat their food.

the way they eat is really funny.no wondey why they are so shy.

grauing up, fradually. i want to stay with him as long as he lives.

When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bears spend the summer fasting. At least, thats whats supposed to happen. As the planet warms, the warmer ice-free season is getting longer and longer. So whats a hungry bear to do?

Scientists once thought that polar bears might survive by supplementing their pinniped diet by turning to terrestrial foods like snow geese, their eggs and caribou.

"Weve had this debate in the literature about whether terrestrial foods are nutritionally relevant to polar bears during the on-land season when the ice has melted."

University of Alberta biologist Nick Pilfold.

"And weve known for a long time, going back to research in the early 70s, even going to back to early explorer logs, that polar bears will consume terrestrial based foods. But the debate was always whether those foods actually add up, energetically." In other words, do these substitutes provide enough nutrition to make up for the lost seals?

To find out, Pilfold and his colleagues estimated the weight lost each day by polar bears in the wilds of western Hudson Bay during the ice-free season, when they could ostensibly be chowing down on terrestrial foods. Then they compared that to the weight lost by bears that are temporarily held in Manitobas Polar Bear Alert Program.

While captive, the bears do not eat. They drop about one kilogram each day. But the wild bears, who had access to the Arctic snack bar, lost the same amount of weight each day. The results are in the journal Physiological and Biochemical Zoology.

"Which is really saying that the terrestrial foods do not have dense enough energy to offset the mass loss. So this idea that bears can just switch from eating sea ice–based food to land food and thats going to help supplement against longer ice-free seasons, that really doesnt show up in the data."

The problem is that polar bears evolved to rely on the marine diet.

"The food on land is protein and carbohydrate based, and the food the polar bears really focus on is fat. Fat is the name of the game for these bears; theyre highly adapted to absorbing that fat into their system and putting it onto their body as body mass, so they can fast on it later on. And the only thing thats going to provide them with that type of fat are marine mammals. And they can only access those marine mammals when theres sea ice."

Adult males can go eight months without food. But younger, sub-adult bears, which are no longer nursing and must hunt, cant last as long without sea ice. So as the Arctic warms, younger polar bears will disproportionately die out. Leaving the species survival in doubt.

北冰洋在秋季结冰以后，北极熊就会出发去寻求它们最喜欢的食物：富含脂肪的海豹和胡子海豹。海冰在夏季开始融化断裂。这使北极熊在夏季无法吃到美味的海豹，所以它们进入禁食期。至少，情况应该是这样。但是由于地球变暖，温暖的无冰季节越来越长。那饥饿的北极熊要怎么办?

科学家曾经认为，北极熊可能会转向陆地上的食物来补充它们对鳍足类动物饮食的需求，进而生存下去，这些陆地食物包括雪雁、雪雁蛋和北美驯鹿。

“文献中有过这类辩论，即在寒冷融化时陆地食物是否能满足北极熊的营养需求。”

尼克·皮尔福德是加拿大阿尔伯塔大学的生物学家。

“通过上世纪70年代初的研究，还有早期的探险者日志，我们很早以前就知道，北极熊会以陆地食物为食。但是辩论的焦点在于，这些食物是否能增加北极熊的能量。”换句话说，这些替代食物能否为北极熊提供足够的营养，弥补不能进食海豹带来的损失?

为了解开这个疑惑，皮尔福德及同事对西哈德逊湾荒野地区的北极熊在无冰季期间每天失掉的体重进行了估算，从表面上看，北极熊在这段时间食用了陆地食物。随后，他们将这一数据与通过马尼托巴北极熊预警计划暂时捕得的北极熊所失掉的体重进行了对比。

在被关期间，北极熊不吃东西。它们的体重每天大约下降1公斤。虽然野生北极熊能享用北极“小吃”，但是它们的体重每天也同样会下降1公斤。这一研究结果发表在《生理学和生化动物学》期刊上。

“显然结果表明，陆地食物不能为北极熊提供足以抵消大量损失的能量。所以，北极熊可以从食用海冰下面的食物转向食用陆地食物，并帮助它们对抗日益延长的无冰季这个观点，并没有在这项数据中得到证明。”

问题是，北极熊进化成了依靠海洋食物的动物。

“陆地食物以蛋白质和碳水化合物为基础，而北极熊需要的食物以脂肪为主。脂肪是这些熊真正需要的东西;它们高度适应的情况是，将脂肪吸收进它们的系统中，然后把这些脂肪放在身上以增加体重，这样它们之后就可以依靠这些脂肪来度过禁食期。唯一能提供给北极熊这种脂肪的就是海洋哺乳动物。但是它们只能在有海冰时食用到这些海洋哺乳动物。”

成年北极熊可以8个月不进食。但是小一些的未成年北极熊已经不再被哺育，它们必须要去猎食，可是它们不能在漫长的无冰季期间一直不进食。所以，随着北极地区变暖，较小的北极熊将会大批死亡。这使这些物种的生存成为问题。

我外婆家有只小狗，小狗的名字：叫小黑，因为它全身乌黑，所它哥哥叫它小黑，它是一条草狗，是一条既顽皮，又惹人喜爱的小狗。

小黑眼睛下面有一个圆圆的鼻子，却很小，虽然小但是非灵敏，有一小点气味它都能分辨得出来。那耳朵呢？耳朵能听见四面八方的声音。小黑的四肢很发达，跑起来像飞一样快，它还有一只黑中带白的小嘴和一条毛茸茸的小尾巴，它高兴的时候，尾巴左右摇摆，像一朵绽开的鲜花，再加上那威武的神态，简直就是像一个保卫国家的战士。每次我回外婆家，它就会站在我身前，边摇尾巴边汪汪大叫，好像再说：“欢迎，欢迎，你们终于来看我们了！”

小黑吃东西也很有意思。有一回，我故意在火腿肠里放了一点胡椒粉再加了一些辣，拿给小黑吃，它看了看，接着又闻了闻。咦，它怎么不吃哪？我去问外公，外公告诉我，小黑不喜欢辣味的东西。我赶忙把火腿肠上的胡椒粉和辣洗干净，再拿给小黑吃，不一会儿，盘子里的火腿肠便一扫而光了。

它还会游泳泥！就像人们说的狗爬式游泳。当我训练它的时候，我重复地把石头投出去，它都毫不犹豫地去拣回来，它的这种毅力很值得我学习。我们训练得很累了，小黑趴在地上望着蓝色的天，我也看看表，时间不早了，该回家了。我就开始收东西，可它却在休息，就像不想走似的。

我喜欢小黑，我爱小黑。