鳥(niǎo)類(lèi)和動(dòng)物如何防范危險(xiǎn)

發(fā)布日期：2009-06-09

核心提示：Some animals frighten off predators with coloring that makes them look much bigger. Foe example, peacock butterflies have big eye spots on their wings. The kea of New Zealand is a parrot that eats flesh as well as fruits. It was once wrongly thought

Some animals frighten off predators with coloring that makes them look much bigger. Foe example, peacock butterflies have big eye spots on their wings.

The kea of New Zealand is a parrot that eats flesh as well as fruits. It was once wrongly thought to be a sheep killer.

Termites are champion builders. They make mud nests up to four times taller than a man. There many are as many as 5 million termites in a single nest!

Butterflies and some insects cope with the cold and lack of food in winter by going into a kind of suspended animation called diapauses.

Some animals frighten off predators with coloring that makes them look much bigger. Foe example, peacock butterflies have big eyespots on their wings.

The army ants have no home. They keep on moving and eating everything they get in their way. The thing can include even humans. A swarm of army ants can be up to 20 million strong!

Some animals use camouflage to hide in the surroundings. Zebras have stripes that make easy to see them. But when they move, the stripes blur their outlines and confuse predators.

Squirrels bury dozens of stories of nuts in autumn to feed on during winter. They have a remarkable memory, as they are able to find each store when they need it.

In the USA there is a sea hospital where injured manatees are given lifejackets to wear. They help them to stay afloat while they get better.

In china there lives an endangered river dolphin. It is almost blind and uses sound to find its food. The sounds of boats in the river confuse it and it swims the wrong way – many times into the fishing nets!

Attempts to breed pandas have largely. For example, Washington Zoo's giant panda. Ling birth too many cubs in the 1970s and 1980d, but the cubs died very soon after the birth.

Squids can change their color to blend in with new surroundings.

Meerkats stand on their hind legs and give a shrill call to alert other Meerkats to dangers

Armadillos curl up inside their body armor

Hedgehogs, porcupines and echidnas protect themselves with sharp quills

Skunks and stinkpot turtles give off foul smell to keep away predators

Plovers pretend be injured to lure hunters away from their young

Kangaroo rats and rabbits thump their feet to send out warning signals

When in danger, an octopus sends out a cloud of inky black fluid. Some times the ink cloud is the same shape of the octopus and fools a predator to chase the cloud.

The lubber grasshopper oozes a foul smelling fluid from its mouth and thorax to keep the predator away

When attacked, swallowtail caterpillars whip out a smelly forked gland from a pocket behind their head and hit their attacker with it

When a danger threatens a gorilla troop, the adult male stands upright, pounds his hands against his chest, and bellows loudly

1 新西蘭的食肉鸚鵡是一種既吃肉類(lèi)也吃果類(lèi)的鸚鵡。它曾經(jīng)被誤認(rèn)為是一種綿羊殺手。

2 白蟻是冠軍建設(shè)者。他們作出泥巢的高度是一名男子身高的四倍。一個(gè)的泥巢住著多達(dá)5百萬(wàn)的白蟻

3蝴蝶和一些昆蟲(chóng)為應(yīng)付冷和缺乏食物在冬季進(jìn)入一種稱(chēng)為滯育（昆蟲(chóng)生長(zhǎng)的停滯期）的假死狀態(tài)。

4一些動(dòng)物利用讓它們看起來(lái)很巨大的顏色嚇跑捕食者。例如，孔雀和蝴蝶的翅膀上有大大的像眼睛一樣的斑點(diǎn)。

5 軍蟻沒(méi)有家。他們不停的行走和吃掉路上得到的一切。他們甚至還吃人。一窩蜂的軍蟻可以達(dá)到兩千萬(wàn)倍強(qiáng)！

6.一些動(dòng)物使用偽裝隱藏在周?chē)沫h(huán)境中。斑馬具有條紋，很容易被看到。但當(dāng)他們搬遷時(shí),模糊的條紋讓掠食者混淆。

7 松鼠在秋天儲(chǔ)存許多堅(jiān)果，在冬季進(jìn)食。他們有很好的記憶，所以他們能夠找到每份存儲(chǔ)當(dāng)需要它的時(shí)候。

8在美國(guó)，有一個(gè)海邊的醫(yī)院給受傷的海牛穿救生衣。救生衣能幫助他們?cè)诳祻?fù)的時(shí)候也能漂浮著。

9在中國(guó)存活著一種瀕危的河豚。它的視力很差，靠聲音尋找食物。河里船只的聲音迷惑了它所以會(huì)游到錯(cuò)誤的地方--很多時(shí)候到了漁網(wǎng)里面。

10繁殖大熊貓的嘗試很強(qiáng)烈。比如，華盛頓公園的大熊貓。在二十世紀(jì)七八時(shí)年代它生了很多的幼仔，但幼仔出生很快就死了。

11魷魚(yú)可以轉(zhuǎn)換體色滲透到新的環(huán)境中。

12南非）海島貓鼬用后腳站立，用尖叫提醒同類(lèi)有危險(xiǎn)。

13犰狳會(huì)蜷縮身體到護(hù)甲里面。