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Havoc in the Glades .. A 16.4-foot python was captured this month (30th January 2012) ...
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Image by marsmet526
The National Park Service has counted 1,825 Burmese pythons that have been caught in and around Everglades National Park since 2000. Among the largest so far was a 156-pound, 16.4-foot one captured earlier this month.
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.....item 1).... Mail Online ... www.dailymail.co.uk/news .... How HUGE pythons are wiping out Florida mammal populations

Owners are freeing the animals when they get to large

A 16.4-foot python was captured this month
1,825 pythons captured in Everglades since 2000

By ASSOCIATED PRESS
Last updated at 10:03 PM on 30th January 2012

www.dailymail.co.uk/news/article-2094047/How-HUGE-pythons...

A burgeoning population of huge pythons — many of them pets that were turned loose by their owners when they got too big — appears to be wiping out large numbers of raccoons, opossums, bobcats and other mammals in the Everglades, a study says.

The study, published Monday in the Proceedings of the National Academy of Sciences, found that sightings of medium-size mammals are down dramatically — as much as 99 percent, in some cases — in areas where pythons and other large, non-native constrictor snakes are known to be lurking.

Scientists fear the pythons could disrupt the food chain and upset the Everglades' environmental balance in ways difficult to predict.
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img code photo ... a 15-foot, 162-pound Burmese python

i.dailymail.co.uk/i/pix/2012/01/30/article-0-11876E090000...

A new report shows that the proliferation of pythons coincides with a decrease of mammals in the Florida Everglades. In this 2009 photo researchers hold a 15-foot, 162-pound Burmese python captured in the park just after it ate a 6-foot alligator

AP

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'The effects of declining mammal populations on the overall Everglades ecosystem, which extends well beyond the national park boundaries, are likely profound,' said John Willson, a research scientist at
Virginia Tech University and co-author of the study.

Tens of thousands of Burmese pythons, which are native to Southeast Asia, are believed to be living in the Everglades, where they thrive in the warm, humid climate.

While many were apparently released by their owners, others may have escaped from pet shops during Hurricane Andrew in 1992 and have been reproducing ever since.

Burmese pythons can grow to be 26 feet long and more than 200 pounds, and they have been known to swallow animals as large as alligators. They and other constrictor snakes kill their prey by coiling around it and suffocating it.

The National Park Service has counted 1,825 Burmese pythons that have been caught in and around Everglades National Park since 2000. Among the largest so far was a 156-pound, 16.4-foot one captured earlier this month.
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img code photo ... Everglades National Park

i.dailymail.co.uk/i/pix/2012/01/30/article-2094047-11876E...

At least 1,825 Burmese pythons have been caught in and around Everglades National Park since 2000. Many used to be pets and were freed by their owners when they got too big. Here is one with its nest captured in 2009

AP

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For the study, researchers drove 39,000 miles along Everglades-area roads from 2003 through 2011, counting wildlife spotted along the way and comparing the results with surveys conducted on the same routes in 1996 and 1997.

The researchers found staggering declines in animal sightings: a drop of 99.3 percent among raccoons, 98.9 percent for opossums, 94.1 percent for white-tailed deer and 87.5 percent for bobcats. Along roads where python populations are believed to be smaller, declines were lower but still notable.

Rabbits and foxes, which were commonly spotted in 1996 and 1997, were not seen at all in the later counts. Researchers noted slight increases in coyotes, Florida panthers, rodents and other mammals, but discounted that finding because so few were spotted overall.

'The magnitude of these declines underscores the apparent incredible density of pythons in Everglades National Park,' said Michael Dorcas, a professor at Davidson College in North Carolina and lead author of the study.
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img code photo ... Secretary of Interior Ken Salazar, center, and Senator Bill Nelson, D-Florida


i.dailymail.co.uk/i/pix/2012/01/30/article-2094047-11876F...

The National Academy of Science report released on Monday shows a sharp decrease in mammal sightings. This photo earlier this month shows Sec. of Interior Ken Salazar, center, and Sen. Bill Nelson, D-Fl, left, looking at a 13-foot python from the park

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Although scientists cannot definitively say the pythons are killing off the mammals, the snakes are the prime suspect. The increase in pythons coincides with the mammals' decrease, and the decline appears to grow in magnitude with the size of the snakes' population in an area.

A single disease appears unlikely to be the cause since several species were affected.

The report says the effect on the overall ecosystem is hard to predict. Declines among bobcats and foxes, which eat rabbits, could be linked to pythons' feasting on rabbits. On the flip side, declines among raccoons, which eat eggs, may help some turtles, crocodiles and birds.

Scientists point with concern to what happened in Guam, where the invasive brown tree snake has killed off birds, bats and lizards that pollinated trees and flowers and dispersed seeds. That has led to declines in native trees, fish-eating birds and certain plants.

In 2010, Florida banned private ownership of Burmese pythons. Earlier this month, U.S. Interior Secretary Ken Salazar announced a federal ban on the import of Burmese pythons and three other snakes.
Salazar said Monday that the study shows why such restrictions were needed.

'This study paints a stark picture of the real damage that Burmese pythons are causing to native wildlife and the Florida economy,' he said.

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