Tag: nonnative species

May 9, 2022

Native species can tolerate invaders in the lowland floodplains

Invasive bullfrogs and sunfish in the southwestern Washington floodplains don’t seem to be a detriment to native amphibians and fish in the area. That’s surprising, researchers say, since that isn’t...

August 18, 2021

Models say this African gecko shouldn’t survive in Florida—so why does it?

Ecologically, Madagascar day geckos aren’t supposed to be in Florida. The species didn’t arrive until the 1990s, when it was introduced to adorn gardens in the Florida Keys. According to...

June 2, 2020

As invasive watersnakes spread, trapping them is tricky

Over the past decades, common watersnakes have invaded California wetlands, and their range keeps expanding farther and farther south. As this happens, managers worry these nonnatives could affect native species...

June 18, 2019

Nonnative parrots establish themselves across U.S.

Across the country, nonnative parrots are making themselves at home. The parrots of San Francisco’s Telegraph Hill have become famous thanks to a documentary about them, but they’re not alone,...

December 7, 2018

JWM: Unmanaged, nonnative macaques boom in Florida park

A population of nonnative rhesus macaques (Macaca mulatta) introduced in central Florida is set to double by 2022 unless steps are taken to reduce it, biologists found. But dealing with...

January 25, 2018

In Hawaii, bird’s genetic trail leads from island to island

When Japanese bush-warblers (Cettia diphone) were introduced to Oahu in the 1920s, it might not have been good for native wildlife, but it turned out to be helpful for researchers....