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Showing posts with label Animals. Show all posts
Showing posts with label Animals. Show all posts
A chirping frog, jumping spiders and a striped gecko were among more than 50 new animal species scientists have discovered in a remote, mountainous region of Papua New Guinea.

Of the animals discovered, 50 spider species, three frogs and a gecko appear to have never been described in scientific literature before, said Conservation International. The Washington DC-based group spent the past several months analysing more than 600 animal species the group found during its expedition to the South Pacific island nation in July and August.

The new frogs include a tiny brown animal with a sharp chirp, a bug-eyed bright green tree frog and another frog with a loud ringing call.

One of the jumping spiders is shiny and pale green, while another is furry and brown.

"If you're finding things that are that big and that spectacular that are new, that's really an indication that there's a lot out there that we don't know about," said Steve Richards, the leader of the expedition. "It never ceases to amaze me, the spectacular things that are turning up from that island."

The findings are significant, particularly the discovery of the new frog species, said Craig Franklin, a zoology professor at The University of Queensland in Australia who studies frogs.

"They're often regarded as a great bioindicator of environmental health," said Mr Franklin, who was not involved in the expedition. "Often we see declines in frogs as a direct pointer to an affected environment."

Researchers from Conservation International explored the region with scientists from the University of British Columbia in Canada and Montclair State University in New Jersey, as well as local scientists from Papua New Guinea.

The area the researchers explored provides a critical source of clean drinking water to tens of thousands of people living in surrounding communities and local clans rely on the region for hunting.

credited to telegraph.co.uk

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Biggest Animals on Earth

Posted by Ivica Miskovic | Tuesday, February 10, 2009 | | 0 comments »
In the Animal kingdom, size is a big factor in the battle for survival. For these large animals, predators are scarce but illegal hunting activities reduce their number considerably. Contrary to many expectations, the largest animal on Earth was not a dinosaur. The largest known to man was more than half the size of a blue whale. Here are the superlatives in terms of size for the wild.

Biggest living animal on Earth – The Blue whale
Biggest weight ever recorded for a blue whale was 190 tones and was 30 m (100 ft). Since whaling was banned, a 7.3% per year increase has been noticed since Soviet Union whaling has ended. Sadly, the Blue Whale remains listed as “endangered” on the IUCN Red List of threatened species

Biggest land animal – The African Bush Elephant
The baby elephant at birth weighs an amazing 100kg while the biggest elephant recorded weighed 12,272 kg or 13.5 tons. The African Bush Elephant is found in most African countries excluding the Sahara and tropical rainforest of the Congo. Currently, elephants are endangered and almost exterminated in some parts of the continent by ivory poaching.

Biggest carnivore on Earth – The Southern Elephant Seal
The record for the species is held by an animal having a weight of 5,000 kg (11,000 lb) and a height of 6.9 m (22.5 feet). Inhabitants of Antarctic and sub-Antarctic islands, hunting led these seals on the brink of extinction in the 19th century, but the total population now reaches 600,000.

Biggest primate on Earth - The Eastern Lowland Gorilla
The Largest living primate is this black gorilla; a male of this species reached over 225 kg (500 lb) and 1.83 m (6 ft) in the wild. Overall, the largest primate ever to walk the Earth was the Gigantopithecus, which, according to estimations, reached 3 m (10 ft), weighing 300 to 550 kg (700 to 1,200 lb). Only found in the tropical forests of eastern Zaire, Africa, fewer than 5,000 gorillas may remain according to the latest estimates.

Biggest rodent in the world - The capybara
If you thought mice and rats were an issue, meet the largest of their kind, the capybara. An adult can reach 80 kg (176 lb), 1.5 m (5 ft) long and 90 cm (3 ft) tall. The population is stable and the capybara is not considered a threatened species.

Biggest reptile in the world - The Green anaconda
Main character for many horror movies, the largest anaconda to be recorded had 9.5 m (31.4 ft) and 250 kg (550 lb), although larger ones do exist. The largest anaconda to be captured, even though it was not weighed because it escaped, was 11.43 m (37.5 feet).

Biggest bird the world – The Ostrich
Related to the extinct Elephant Birds of Madagascar, that exceeded 3 m (10 ft) and 500 kg (1,120 lb), the Ostrich currently has the title for biggest bird. It can reach 2.7m (9ft) and a weight of 156 kg (345 lb). Its eggs are the largest eggs in the world, reaching 1.4 kg (3 lb).

Biggest fish on Earth - The Ocean Sunfish
The Sunfish is the largest bony fish, reaching 3.6 m (12 ft), a height of 4.5 m (15 ft) and a weight of 2,273 kg (5,000 lb). Found in tropical and temperate waters around the globe, the sunfish has few natural predators and are considered a delicacy in Japan or Taiwan.

Biggest insect in the world – Giant weta
If you are afraid of tiny roaches in your kitchen, this can possibly freak you out.The weta is the biggest living insect, weighing 71 grams. Endemic to the New Zealand archipelago, 16 of the 70 species of weta are now at risk of disappearing. To prevent them from going extinct, programs have been implemented since 1970.

credited to flickr users: radek2166, mgsbird, lillianbennett, tut99, lipkee, riordan david, funkenclimb

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The 10 Rarest Animals in the World

Posted by Ivica Miskovic | Friday, January 16, 2009 | | 5 comments »
Endangered, hunted, smuggled and now some would say abandoned, these animals have the smallest chances of recovery out off all the Earth’s creatures. Last year, studies shown that there are at least 35 different animals with world populations of under 1000. But which are the rarest, the animals on the brink of extinction? We have rounded up a list of 10 of the rarest animals in the wild. These animals are so rare, they might disappear forever, and they’re not alone!

10. Red Wolf - This wolf is a smaller and a more slender cousin of the gray wolf, historically ranging from southeastern United States to Florida and Texas. Now, their home is the 1.7 million acres throughout northeastern North Carolina, including Alligator River National Wildlife Refuge and Pocosin Lakes National Wildlife Refuge. Only 20 pure red wolves were estimated in 1980, however the number increased to 207 captive red wolves, found in 38 captive breeding facilities across the United States. With the successful breeding programs, over 100 red wolves currently live in the wild.

Runner-up. Dwarf Blue Sheep - The Dwarf Blue Sheep or Dwarf Bharal Pseudois schaeferi is an endangered species of caprid found in China and Tibet. The dwarf blue sheep population in the world has declined to a total of 70–200 individuals, currently being listed as endangered by the International Union for Conservation of Nature. The species is hunted, and in their limited range cannot escape from humans and livestock. As of 1997, China did not recognize them as a seperate species so efforts to conserve the species have not been initiated.

9. Iberian Lynx - The Lynx, the most endangered of the world’s 36 cats, stands on the edge of extinction. This lynx was once distributed over the entire Iberian Peninsula but now its area is severely restricted in Andalusia. Threatened by destruction of habitat and of its prey, the cat was killed by traps set for rabbits or hit by cars as the number of roads increase. The Spanish Government is now in the process of developing a national conservation effort to save the Iberian Lynx. Studies from March 2005 have estimated the number of Lynx to be as few as 100, down from about 400 in 2000. On March 29, 2005, the birth of 3 cubs, the first born in captivity, was announced, a hope for the future reintroduction of the species.

8. Tamaraw (Dwarf Water Buffalo) - Found in the the island of Mindoro in the Philippines, the tamaraw is the only endemic Phillipine bovine. In 1900 there were an estimated 10,000 tamaraw on Mindoro, 120 in 1975, 370 in 1987 . It was declared critically endangered species in 2000 by the World Conservation Union and remained so until today, being threatened by agriculture, hunting or disease brought by domestic species. The current population was estimated in 2002 at a number between 30 and 200 individuals. Although protected by law, the illegal capture and killing of this species continues to occur.

7. Northern Hairy-nosed Wombat - In the 19th century this species of wombat was present in New South Wales and Victoria but now can only be found in a small national park near Epping Forest Station in tropical Queensland. While this area has been protected as a National Park, the native grasses that the wombat eats are overtaken by non-indigenous plants. The Northern hairy-nosed wombat is the rarest Australian marsupial, and probably the world’s rarest large mammal. In the latest population study, there are an estimated 113 (range 96 to 150) individual. A major recovery program is underway, funded by the Queensland and Commonwealth governments to the tune of $250,000 per year.

6. Hispid hare - Also called the “bristly rabbit”, this hare has been recorded along the southern foothills of the Himalayan mountain chain, Nepal, , Bengal, and Assam. Deforestation, cultivation, and human settlement had the most negative impact on the species, isolating the rabbits in Uttar Pradesh, Bihar, West Bengal and Assam. This animal was feared extinct in 1964, but in 1966, one was spotted. There were an estimated 110 hispid hares worldwide in 2001, numbers continuing to plunge due its unsuccessful adaptation to captivity

5. Javan Rhino - This scarce animal is one of the rhino species with fewer than 60 animals surviving in only two known locations: one in Indonesia and the other in Vietnam. Though once widespread throughout Asia, by the 1930’s the rhinoceros was nearly hunted to extinction in Peninsular Malaysia, India, Burma and Sumatra. It was poached for its horn, that is believed to have medicinal uses, and driven to extinction to the intense agricultural practices. Even with all the conservation efforts, the Javan rhinoceros’ chance of survival is small: the population is reduced, hence there are risks of disease and inbreeding

4. Seychelles Sheath-tailed Bat - Inhabiting the central granitic islands of the Seychelles Islands north of Madagascar, the bat is part of our list, being one of the most endangered animals since fewer than 100 are believed to exist in the world. It was once commonly found in Seychelles, but the species has undergone a dramatic decline in population during the mid to late 20th century. More research needs to be done in order to understand how the species behave and what needs to be done in order to save them. Scientists believe that, with a heavy amount of effort, 500 individuals may be sufficient to guarantee long-term persistence of the population.

3. The Vancouver Island Marmot - This marmot is found only in the high mountainous regions of Vancouver Island, in British Columbia, the Canadian Species at Risk Act listing it as endangered in May 2000. In 1998, the population reached an all-time low of 75 individuals, a captive breeding programme being started during that time. In captivity, there are around 90 Vancouver Island marmots in four breeding facilities, while an estimated 30 members of this species live in the wild ibn 2004. The ultimate goal is to restore a sustainable population of 400-600 Vancouver Island marmots in the wild, so there’s still much to be done. 2005 was a successful year, with 150 individuals in captivity and over 44 pups born.

2. Baiji (Yangtze River Dolphin) - With no more than a few tens of individuals, the dolphin is one of the world’s rarest mammals, and a victim of China’s breakneck economic growth, competing for food with the human beings. It has been driven to extinction due to the activity in 50 years, this being the fourth time when an entire evolutionary line of mammals has vanished from the face of the Earth since the year 1500. The main reason for this fact are the numerous dams and barrages, built starting in the 1930’s, that have fragmented the population and reduced the amount of available habitat. There are news that the species is functionally extinct, experts still searching for members of the species. Fingers crossed!

1. The Pinta Island tortoise - Without argument, this turtle is one of the few species of Giant Galapagos tortoises and the rarest animal in the world since there is only one left alive. Lonesome George is the sole surviving member of the Pinta Island race, the giant tortoise being a symbol for the fragility of the Galapagos islands, and a constant reminder for vigilence and conservation of the species. The species was considered extinct until 1971, when a lone example was located by rangers. Since then, the Charles Darwin Research Station has been searching for a female tortoise, even posting a reward of $10,000 to those that find one.

credited to wildsheep.org, camperspoint.com, dkimages.com, about.com, lodgingchannel.com and flickr users: mingos, crausman, digitalsolstice, malcy, karin wideman, f1nutter

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Most Poisonous Animal

Posted by Ivica Miskovic | Wednesday, September 03, 2008 | , | 3 comments »
Not all beautiful frogs depicted here are poisonous, but those who are - can be very deadly indeed. The most poisonous animal is not a snake or a spider. It's a beautiful little frog! "Most frogs produce skin toxins, but the dart poison frogs from Central and South America are the most potent of all. The golden poison frog, called terribilis (the terrible), is so toxic that even touching it can be dangerous. A single terribilis contains enough poison to kill 20,000 mice or 10 people. It is probably the most poisonous animal on Earth."

"Their poison contains toxins that dull the nerves and produce heart and repiratory (sic.) failure. The skin of an adult P. terribilis has enough batrachotoxin to kill 20,000 mice, or 100 adult humans. Two-tenths of a microgram of batrachotoxin is lethal in the human blood stream and each adult P. terribilis contains nearly 200 micrograms."

credited to darkroastedblend.com, flickr and Zoltan Takacs, Amy Snyder, Juan Manuel Renjifo

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