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...
30 Jul, 2026, 09.39 AM IST
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...
28 Jul, 2026, 09.03 PM IST
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...
28 Jul, 2026, 08.59 PM IST
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...
28 Jul, 2026, 06.08 PM IST
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...
28 Jul, 2026, 04.44 PM IST
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...
28 Jul, 2026, 04.43 PM IST
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...
28 Jul, 2026, 04.41 PM IST
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...
28 Jul, 2026, 04.35 PM IST
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...
27 Jul, 2026, 05.56 PM IST
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...
27 Jul, 2026, 12.38 PM IST
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...
26 Jul, 2026, 12.00 AM IST
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...
25 Jul, 2026, 08.26 PM IST
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...
24 Jul, 2026, 09.54 AM IST
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...
18 Jul, 2026, 05.42 PM IST
Catch a giant snake, get a free pizza: Florida restaurant is handing out free python pizza during the state's $10,000 snake huntA Florida restaurant is offering free python pizza for participants capturing invasive Burmese pythons. This promotion supports efforts to ...
16 Jul, 2026, 12.22 AM IST
Snake eggs in your garden? Don't move them until you know these thingsFinding snake eggs in your garden requires careful consideration before any action. Moving reptile eggs can pose risks to developing embryo...
15 Jul, 2026, 07.33 PM IST
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...
14 Jul, 2026, 02.37 PM IST