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INVASIVE SPECIES NEW ZEALAND
In 1837, New Zealand fur promoters released Australian possums to build a new industry; the first attempt failed, so settlers kept trying until the animals invaded the countryNew Zealand settlers introduced Australian possums in 1837 for a fur trade venture. This initial plan failed, but subsequent attempts event...
In the 1930s, a Florida nurseryman scattered Australian tree seeds from an airplane to dry wetlands; the trees later invaded more than 400,000 acres of Florida wetlandsIn the 1930s, melaleuca trees were introduced to Florida's Everglades. These trees were intended to drain wetlands for development and farm...
150 years ago, Britishers brought a South American tree to stop desertification in Thar, now it has become a thorny issue in IndiaVilayati babul, introduced during colonial times, remains a subject of ongoing debate. This invasive tree provided fuelwood and livelihoods...
Jurassic Sharks on Shark Week 2026: When and where to watch the prehistoric special in the US and UK without a cable subscriptionJurassic Sharks Sharks Week: Shark Week 2026 is taking viewers back to the age of prehistoric predators with "Jurassic Sharks." 'Shark Week...
In 1890, one man released 60 birds in New York Central park. 135 years later, there are 200 million of them across AmericaHow 60 birds became 200 million starlings: European starlings, numbering 200 million, trace their lineage to a 1890 Manhattan release. Euge...
Texas released 3 million captive-bred eggs to save this endangered amphibian. It may be workingA male Houston toad was sighted in Bastrop County, Texas, after a 50-year absence. This sighting follows the release of millions of captive...
Australia built an A$187,000 electric fence across wild horse country; inside lies an endangered alpine wetland supporting three threatened animalsAn electric fence protects a rare alpine wetland in Australia's Kosciuszko National Park. This small area is home to three threatened nativ...
In 1861, an English lord sent three red deer to New Zealand for sport; the animals multiplied until government hunters were killing 50,000 a yearThree deer introduced in 1861 multiplied into a national crisis. New Zealand's government hired men to kill 50,000 deer annually. These cul...
In 2001, a USDA scientist released beetles to destroy an invasive tree, but they eliminated 94% of an endangered bird's habitat along one riverAn invasive beetle introduced to control tamarisk trees has devastated flycatcher nesting grounds. This beetle, released by the USDA, succe...
In the 1770s, Captain Cook released pigs and goats in New Zealand to feed future sailors; their feral descendants began destroying native bushCaptain Cook introduced pigs and goats to New Zealand's Ship Cove in 1770 for future sailors. These animals became significant threats to n...
In 1890, Eugene Schieffelin released European starlings in Central Park; within 69 years, their descendants had reached the PacificEugene Schieffelin released European starlings in Central Park in 1890. These birds spread across the continent within sixty-nine years. St...
In 1935, an Australian entomologist shipped 102 cane toads from Hawaii to fight crop beetles; 2,400 were released before anyone tested the planAustralian scientists introduced toxic cane toads to control sugar cane pests in 1935. These toads failed to eat the target beetles and spr...
How Australia’s Brown Tree snakes reached Guam after World War II and left biologists baffled by the invasionBrown tree snakes, an invasive species on Guam, have baffled biologists for years. Their population is believed to have started with only a...
New Zealand refuses to reveal document allegedly showing preferential visa treatment for IndiansNew Zealand has refused to release a confidential government document that Deputy Prime Minister Winston Peters says contains proposals for...
From a 1937 garden planting to an ecological crisis: One Miconia tree now spreads 8.9 million seeds, endangering Queensland's iconic rainforestsToday, a single mature Miconia tree can produce over 8.9 million seeds in one season. What began as a 1937 garden introduction in tahiti ha...
Britain dropped more than 300 tons of poison across South Georgia to kill every rat; by 2018, over 100,000 hectares were rodent-freeSouth Georgia island successfully removed its rat population after a massive eradication effort. Helicopters dropped poisoned bait across t...
Scientists reveal predatory dinosaurs likely had lizard-like lipsNew research suggests predatory dinosaurs possessed scaly lips covering their teeth. This finding challenges popular portrayals of fearsome...
1,500 ships trapped in Gulf of Hormuz are quietly multiplying an underwater army that could unleash World's biggest bioinvasion eventGulf of Hormuz underwater army: Nearly fifteen hundred ships stuck in the Persian Gulf after fighting closed the Strait of Hormuz. These id...
Since 1969, Florida has battled the giant African land snail, smuggled in as exotic pets; the fist-sized invader eats 500 plant species and even the plaster off housesGiant African land snails, introduced as pets, caused a major Florida crisis. These hermaphroditic snails reproduce prolifically, laying hu...
A $7 billion seafood species has become an invasive resident on the US East Coast - here's why scientists are concernedManila clams, a valuable seafood species, have established a breeding population in Boston Harbor. This marks the first known successful es...