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INVASIVE SPECIES REMOVAL
In 1995, a Tasmanian fisherman found a dead carp. What followed was a four-decade operation to remove nearly 50,000 European fish- Burmese pythons invaded Florida’s Everglades in the 1980s; decades later, the decline in raccoon, opossum and bobcat population number is staggering
- In the 1990s, a predatory flatworm was released in Samoa to control giant African snails; it later drove native island snails toward extinction
- In 1960, Japan’s future emperor took 18 bluegills home from Chicago. Their descendants multiplied into millions and invaded Lake BiwaA significant ecological problem arose from a 1960 gift of bluegills to Japan's Crown Prince Akihito. These fish propagated swiftly, infilt...18 Aug, 2026, 10.53 PM IST
- In 1930s, Finland brought back beavers but accidentally introduced the wrong species. The mistake still affects wildlife todayDuring the 1930s, Finland's attempt to reestablish its native beaver population took a turn when North American beavers were unwittingly in...18 Aug, 2026, 08.10 PM IST
- In 1500s, Spanish explorers introduced pigs into North America. Now areas where they roam free have fewer invasive speciesAlthough wild pigs have long been viewed as destructive invasive species, recent findings reveal they also play a surprising role in curbin...18 Aug, 2026, 05.44 PM IST
- In 2002, a Maryland angler caught a huge fish he had never seen before. The discovery sparked panic, inspired horror movies and the species became one of America's most notorious invasive fishA strange fish caught in a Maryland pond in 2002 soon became the center of a nationwide invasive species scare. The discovery of the northe...18 Aug, 2026, 10.08 AM IST
- In 1917, botanist Joseph Rock introduced albizia to Hawai‘i for reforestation. Now it has infested thousands of acres in O‘ahu and eastern Hawai‘i IslandIntroduced to Hawaii in 1917 as a solution for reforestation, the Albizia tree quickly established itself as an invasive species. By 2018, ...17 Aug, 2026, 07.56 PM IST
- In 1905, Hawaii introduced mosquitofish to fight mosquitoes. More than 100 years later, the fish is threatening native wildlifeAn invasive species, mosquitofish, introduced to Hawaii in 1905 poses a significant threat to the islands' native freshwater ecosystem. The...17 Aug, 2026, 05.18 PM IST
- How a mosquitofish brought in to kill mosquito larvae became major freshwater ecosystem problemA fish introduced to Hawaii over a century ago now threatens native freshwater wildlife. The mosquitofish, brought to control mosquitoes, n...17 Aug, 2026, 11.34 AM IST
- Since 1997, Florida has released Australian insects to help control melaleuca in the Everglades; its invaded range has shrunk by nearly 75% alongside herbicide and mechanical removalIn Florida's Everglades, Australian insects played a crucial role in curbing the spread of invasive melaleuca trees. By targeting these tre...14 Aug, 2026, 04.20 PM IST
- The hidden owl war: An invasive owl is conquering ancient forests, putting the threatened northern spotted owl at even greater riskInvasive barred owls are occupying ancient forests vital for northern spotted owls. These aggressive competitors concentrate in the exact h...13 Aug, 2026, 10.20 PM IST
- In 1958, an American ornithologist found pigs devastating a remote Pacific atoll and the removal of 58 pigs was followed by a seabird increase from 650 to 137,000In 1958, an ornithologist took decisive action by removing feral pigs from Clipperton Island, leading to a remarkable recovery of seabird p...13 Aug, 2026, 05.10 PM IST
- In the early 1970s, Maui planted miconia for its spectacular purple leaves; its descendants spread across East Maui and threatened native forest watershedsIntroduced to Maui in the 1970s, Miconia calvescens, known as the velvet tree, has emerged as a significant invasive species. Its swift spr...13 Aug, 2026, 03.50 PM IST
- Around 1745, America imported mimosa for its fragrant pink flowers; it later spread into forests across the southern USMimosa, an ornamental tree brought from Asia in the mid-18th century, has thrived in the American South, but its aggressive spread poses a ...13 Aug, 2026, 03.30 PM IST
- In the early 1900s, Hawaiʻi imported a thorny European shrub to feed sheep and fence pastures; it now forms 6-foot walls that fuel fires and sprout againGorse, introduced to Hawai'i around 1900 for sheep fodder and fences, has become a persistent invasive problem. This spiny shrub thrives in...13 Aug, 2026, 03.00 PM IST
- In 1977, California removed the last herbivores from San Miguel Island after years of overgrazing. Decades later, the barren landscape produced a stunning ecological comeback, transforming into an island covered with native vegetationSan Miguel Island tells a powerful conservation story. Once called a “barren lump of sand,” the 9,500-acre California island suffered more ...11 Aug, 2026, 06.59 PM IST
- In the 1800s, Americans planted tamarisk for windbreaks and erosion control; by 2005, the tree had spread across western river systems and become a major management concernTamarisk was originally brought in for various practical applications, but it has since proliferated across western waterways. This invasiv...11 Aug, 2026, 05.14 PM IST
- Florida Python Challenge 2026 winners to be announced this week: Why hundreds compete to hunt invasive snakes for a $10,000 prizeThe Florida Python Challenge invites enthusiasts to actively combat the invasive Burmese python population. Each year, exciting cash prizes...04 Aug, 2026, 02.33 PM IST
- In 1970s, Burmese pythons arrived in Florida as pets. Then a hurricane helped turn them into the Everglades' top predator—now robot rabbits are fighting backFlorida is deploying solar-powered robot rabbits to lure invasive Burmese pythons. These AI-powered decoys imitate prey, using heat and sce...03 Aug, 2026, 03.44 PM IST
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