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Wild Cockatoos Are Swearing at People

Australian wild cockatoos have been "infiltrated" by domesticated cockatoos who have escaped. Wild birds are copying words learned by escaped household pets. Cockatoos are not the only wild birds being affected in this way. Galahs and corellas shout out words that startle people. Escaped birds breed with their wild counterparts and chicks learn to talk from parents.

The parrot family is extremely good at mimicking sounds they hear. Songbirds and hummingbirds can also do this to a degree. The problem is cockatoos and parakeets are social animals. To wild birds a word is just a new sound to be learned and used socially. Human babbling to learn language is called subsong in birds, where chicks learn by trial and error.

Like humans, cockatoos continue to learn "words" all through their lives. "Natural" cockatoo sounds go together to form a language which has its own grammar. Human words are being integrated into this language.

A pet bird may only hear a word once and the word is remembered for life, particularly swear words that are spoken with some gusto.

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Wildlife

Messy Dog

"I'm ready to come in now."

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Funny Animal Photos

Penguins Moved to Africa Many Times But Died Out

Penguins are funny little creatures though they are interesting to study. They first made landfall in Africa millions of year ago but they went extinct. They had a second go at colonization. This failed as well.

They preferred Antarctica, South America and Australia living there for a very long time. There are two ocean currents that could have brought penguins to Africa. Neither goes further north than the equator so colonization would have occurred only in south west Africa.

The third or perhaps fourth intrusion onto the African continent was successful. Blackfooted Penguins live their today. They are related to other banded penguins found in South America and the Pacific. There is evidence that four other types of penguins once existed in Africa. These were analysed to see if they were related. Two of the four were sufficiently complete for this. They were found not to be related to Blackfooted penguins or to each other, so colonization happened many times.

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Science

Post Cat

"I'm leaving as soon as the postman arrives."

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Funny Animal Photos

Childcare Makes Men More Effeminate

Men become more effeminate after marriage. When men marry, particularly when they have children, the level of testosterone in men's bodies falls. Tests on Filipino men highlighted this phenomenon. It appears that the more men care for children, adopting female behavior, the lower their testosterone.

Research subjects were 21 years old on average. They were tested at the beginning and after 4 years. At the latter time 50 per cent were married. These married men had very high testosterone levels initially, which indicates that testosterone makes men more attractive as marriage partners.

Very low testosterone was found in married men with a child less than one month old. Males who cared directly for a child had 80 per cent of the testosterone level of men who left childcare to mothers.

Obviously behavior drives hormone level. This is a new discovery. If testosterone is affected by behavior it is possible that other hormones levels are determined by the way people act.

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Society

Kitten Float

"I meditate then I float."

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Funny Animal Photos

Free-Range Eggs Definition Questioned by ACCC

Law is just pedantic. Legal proceedings are to be undertaken to define the precise meaning of "free to roam" chicken. Can chicken roam freely when they are packed into barns? The Australian Competition and Consumer Commission (ACCC) is arguing that the high population density of barn chicken prevents them roaming freely. Turi Foods, Baiada Poultry and the Australian Chicken Meat Federation are accused of misleading advertising.

The court case could fall either way. There is no doubt television adds showing chicken wandering with large spaces between them are not showing the true condition. However, a chicken is free to move if another chicken moves out of the way first in normal barn chicken egg production. Of course free-range chicken supporters are in favor of the ACCC action.

There isn't much doubt that the real truth about barn production is not being shown in the advertisements. Other products are also not telling the truth in advertising either and the ACCC is not going after them. For example, hamburgers shown in adverts have plastic and paint in them and they are shown larger than actual size. Perhaps the Government is at fault here - there are no clear guidelines on what free range actually means.

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Agriculture

Dog Biscuit

"I'll take just one."

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Funny Animal Photos

The Dingo Came To Australia Through Indonesia

It was believed that Australia's dingo dog arrived here via Southeast Asian or Chinese seafarers. Then an overland journey was proposed through Taiwan and the Philippines. Genetic evidence now shows that they originated in South China and got to Australian by way of Indonesia.

How they crossed the ocean is still a mystery. The oldest evidence for the presence of the dingo in Australia is 3,500. This is a long time after the ice age and sea levels were about the same then as they are today.

The dingo is really an ordinary dog. It "split" from the pre-modern domestic dog 5,000 years ago. This older domestic dog spread out from South China 16,000 years ago. The dingo is closely related to the New Guinea singing dog. Genetic evidence shows that these two variants moved into Southeast Asia before ordinary domestic dogs accompanied humans as far as Polynesia 3,000 years ago. Whether dingoes travelled with humans is not clear. Dingos have a different genetic mutation than domestic dogs so interbreeding did not occur.

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Biology

Beer Dog

"I'll have one more for the road."

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Funny Animal Photos

Biolytix Was Faulty From the Start

Authorities and individuals need to be careful about adopting a lauded new invention because a new concept can be a real furphy. Dean Cameron developed a sewerage system that was claimed to be the greenest yet.

Biolytix won the 2007 Asia Innovation Award, EPA Sustainable Industries Award, Clunies Award, Premier's Smart Business Award and the Global Environmental Award, such was the euphoria generated by the new system. Though a lifetime guarantee was given it was known from the beginning that if anything went wrong a complete rebuild became necessary.

The product was sold in all Australian states with 80 per cent of them not working correctly. Joe Langford of Everhard Aqua Nova warned of the potential problems from Biolytix from the start. Mr Langford even lobbied government, to no avail. He said the concept was sound. The problem was in its construction - it was poorly made.

The National Parks and Wildlife Service spent a lot of money installing them. It has absorbed the loss. Thousands of customers across the country are left with faulty system. The cost to repair them ranges from $3,000 to $12,000. Biolytix the company is now in liquidation.

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Society

Safe Mouse

"I'll be safe in here."

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Funny Animal Photos

World Cypress Disease Came From California

California may be a great place to live with its good weather, but it is the source of a dangerous tree-killing fungus. Seiridium cardinale actually began its spread across the world from the San Joaquin Valley. Cypress trees are dying by the thousands from cypress canker disease. Ninety five per cent of pine plantations primarily of cedars and junipers are affected.

The fungus jumped the Atlantic to France about 80 years ago when seedlings were imported from California. Italian cypress planted there were devastated. This pretty tree occurs all over southern Europe. Landscapes have been changed irreversibly.

Cracks in the bark are entry points for the disease that produces toxins obstructing the flow of sap, water and nutrients. The fungus clones itself asexually as well as reproducing sexually. There are two variants of the fungus. Only one of these variants is found in Europe. The second variant has found its way to the southern hemisphere. Work to develop resistant strains of cypress is proving difficult. The best way to fight the damage its to monitor the movement of trees through trade.

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Dog Watch

"I know, you know I'm here!"

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Funny Animal Photos

Possible Sunscreen Tablet From Coral

Australia has the highest skin cancer rate in the world. This is because the population of this country is composed mainly of fair-skinned northern Europeans and Australia is very hot in summer. Despite advertising campaigns citing the dangers of sun bathing men still go around with no shirts and women bake in their back gardens or at the beach. If only people could take a pill to stop skin cancer.

Tests on a coral indicate that a tablet to prevent eye and skin damage from exposure to the sun may be within reach. The coral contains natural UV blockers. Though the coral is on the Australian Great Barrier reef, research is being done by the British government. Paul Long of King's College London is taking samples from Acropora microphthalma coral on night dives. Walter Dunlap of the Australian Institute for Marine Science noticed the attribute in 1986.

While the coral contains the UV protector, a base chemical is created by algae living nearby. The coral absorbs this chemical converting it into a natural sunscreen. Both the algae and coral benefit from the UV blocker as well as fish that feed on the coral. If fish are protected by eating the coral, humans could also benefit from consuming the coral or more practically by imbibing the UV blocking chemical. It is hoped that it will be possible to develop a synthetic version as the coral is endangered.

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Science

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