Adventure Ausrama Blog

Extinction of the thylacine on the continent has not been critically analysed. However, the story on Tasmanian land is known. ◘1 thylacine an ◘1 Much has been said about the extinction of thylacines in Tasmania. There has not been much discussion about the animals demise on the mainland. A controversial claim about this is now doing the rounds.    ◙2 thylacine to extinction weather a thylacine ok caused to or extinction tasmanian ◙2 Though the Tasmanian tiger is classed as a carnivore, it survived mainly on carrion. Its jaws were too long to give a strong bite. Indeed, sheep killings were not done by the creature. Other introduced species killed native fauna as well as livestock.  ⦿3 extinction caused up to weather caused ⦿3 Thylacine mitochondrial DNA was obtained from bones in museums. Computer analysis supposedly showed changes in population size over time. Such projections are questionable and unproven in science. It is fairy tale stuff.   ⧗ ...

Cats are cuddly pets, but if they get into the wild they can cause native animals to become extinct. This has been the case in Australia. They hunt little marsupials until there are none left to eat then move on to consume something else. growing larger in the wild certainly help cats to survive very well indeed. Where did the cats originally come from? It was thought that Asia was the most likely place as Asian fishermen came to Australia's northern shores well before Europeans. However, research shows that they did come on boats from European countries whether as "stowaways" or more likely brought as pets to remind new arrivals of home. Moreover, having cats to hunt rodents on European ships was common in the early 1800s. Island cats were tested as they had not crossed with new cats imported from countries across the world, so the findings were accurate and Europeans are the culprits for spreading this pest. Keep your cat in the house and don't let it roam. ...

Rice came from Asia, more specifically China, right? You would be wrong. Genetic tests on rice grown today show it come from northern Australia. It was clean, uncontaminated and has been pinned down to Cape York in Queensland. Originally, it was growing wild in the tropics, an unusal place for rice as we associate it with wet conditions all year round. The real question is how did it get to Asia? Obviously, people from Asia came to Australia and took it home. The Middle East is the cradle of Mankind. For rice it is Australia. Wild rice growing there today is more genetically diverse than anywhere else in the world. Asian domestic and wild rice is inbred. Australian rice is wild. It grows there today unchanged by human intervention. This took place 7,000 years ago. Australian rice will be the basis of research to improve world food production. It holds the genetic keys to open the door very wide indeed. Modern rice varieties are just little sparks from the fire...

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The Maremma Sheepdog guards sheep in Italy. Dogs are intelligent and are trained for many things. They are now being trained to protect the endangered eastern barred bandicoot. Whoever came up with the idea should be given an award. In hindsight it would be seen as obvious, but it was smart thinking. Maremma dogs will be selected for the specific job. The bandicoot will be released into the wild with the dogs. Protected release locations will be closely monitored. Their welfare is important : there are no eastern barred bandicoots currently living free. Landowners will be asked to feed the dogs. This will reduce funding requirements. The bandcoots will be given freedom to live as naturally as they can - living alongside a dog. Ironically, the animals that kill bandicoots are imports from Europe like the wolf and feral cat. As well as training the dogs to look after the bandicoot, they have to be taught not to hunt natural wildlife themselves. It is easy for d...

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Australia's physical connection with the mainland of Asia disappeared 4,000 years ago. It is assumed that people from India crossed into Australia before this time. There is little proof of this. Indians and Australian Aboriginals are distinctly different. Aboriginals are more like Africans, while Indians appear to be black Caucasians. DNA tests on both gene pools do show a link. However, this link could be directly from Africa 70,000 years ago. A similar thing could be said about Neanderthal genes being carried by some modern humans. The markers could have been there before both species split off from a common ancestor. The fact that Neanderthals have a different number of chromosomes is dismissed by some scientists when it is known that offspring of related species with differing chromosomes can have offspring but they are invariably "mules" who have infertile young. Australian Aboriginals are the earliest of Mankind to leave Africa. There were many wa...

Keep an eye on your car - there are wild dogs about! Clayton Dwyer's girlfriend called him and told him to look at his car. The front bumper had been torn from the car and gnawed into bits. Dogs had even bitten into steel front panels. Mr Dwyer found it hard to believe that wild dogs would do such a thing. He had seen the pack wandering around the neighborhood. His girlfriend admitted to him that the dogs had attacked her car some months before. At first it was thought that someone had done the damage with a hammer. But panel beaters could make out teeth marks on torn parts of her car. http://www.adventure--australia.blogspot.com/ http://www.tysaustralia.blogspot.com/ http://www.feeds.feedburner.com/AdventureAustralia http://www.technorati.com/blogs/ http://adventure--australia.blogspot.com . . . . . . . . . . . . . . . . . . Society

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 hea...

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