Invasives

Smallmouth Bass Spotted In Colorado River Below Glen Canyon Dam

A scenario scientists feared has arrived at Grand Canyon National Park, where smallmouth bass have shown up, a non-native fish that somehow has passed through the Glen Canyon Dam to continue on down the Colorado River where it poses a serious threat to native humpback chub, a native fish.

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By Kurt Repanshek - July 11th, 2022 2:30am

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Battling Invasive Species Across The National Park System

Mosquitoes that carry viruses deadly to native birds at Haleakalā National Park. Reptiles that can grow to four or five feet in length and devour eggs of birds, alligators, crocodiles and turtles at Everglades National Park. Vegetation that can transform landscapes by not just overrunning native vegetation, but also by being more prone to wildfire.

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By Kurt Repanshek - August 27th, 2024 12:08pm

Progress Among The Paperbarks

The war against invasive vegetation is long and uncertain, but Everglades National Park is winning one important battle.

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By Kim O'Connell - August 27th, 2024 12:07pm

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South American Invaders Trying To Gain Foothold In Everglades

Chicken eggs are pretty good chum, but alligator and crocodile eggs, sea turtle eggs, and even bird eggs are also high on the menu for black-and-white Argentine tegus, a lizard that arrived in Florida through the pet store trade and is threatening to upend Everglades National Park's ecosystems.

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By Kurt Repanshek - June 22nd, 2022 2:44pm

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Restoring The Hole-In-The-Donut At Everglades National Park

EVERGLADES NATIONAL PARK _ It was an unlikely scene in a national park established to protect nature: bucket excavators, lumbering dump trucks, and bulldozers, heavy equipment more in place at sprawling construction sites, were rummaging through the muck not far from the park's Ernest F. Coe Visitor Center.

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By Kurt Repanshek - June 2nd, 2022 6:16pm

Capture Of Nonnative Burros Resuming At Death Valley National Park

A project aimed at reducing the number of nonnative burros in Death Valley National Park was scheduled to begin Monday and run through mid-May. It's a project that could create traffic delays of up to 4 hours on a number of remote, unpaved roads during helicopter operations.

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By Compiled From N... - April 25th, 2022 2:30am

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Everglades National Park: Ground Zero In The Battle With Invasive Species

Billions of dollars have been spent to restore the "river of grass" from Lake Okeechobee to Florida Bay, but invasive species have been robbing the park of its small mammals and overwhelming some of the mesmerizing sawgrass prairie.

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By Kurt Repanshek - May 8th, 2022 1:13pm

Voyageurs National Park Establishes Vessel Decontamination Station At Kettle Falls Portage

After discovery of invasive zebra mussel veligers (larvae) in Black Bay of Voyageurs National Park's Rainy Lake late last year, park staff is starting a containment and prevention program that involves educational activities as well as new management operations related to Kettle Falls and Gold Portage areas.

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By Compiled From N... - April 15th, 2022 11:19am

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Innovative Battles Against Park Invaders

With its sharp, hooked bill, the kiwikiu is a master at cracking open branches or berries in pursuit of a plump insect meal. Ironically, this olive green and yellow bird, already on the national endangered species list, risks being pushed into extinction by an insect.

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By Kurt Repanshek - August 1st, 2024 1:24am

Invasive Australian Pines To Be Removed From Everglades National Park

Work soon will begin to remove invasive Australian pine trees along the shoreline of Florida Bay in Everglades National Park.

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By Compiled From N... - December 23rd, 2021 1:45am

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