https://www.smithsonianmag.com/rss/tag/invasive-species/RSS feed for Invasive SpeciesenFri, 29 May 2026 21:00:41 +0000https://www.smithsonianmag.com/smart-news/four-rare-guam-kingfisher-chicks-hatch-at-virginia-facility-making-an-incredibly-valuable-addition-to-the-small-population-of-extinct-in-the-wild-birds-180988863/The species, also known as the sihek, was wiped out from its native Guam and kept alive in captivity. Conservationists released some birds on Palmyra Atoll in 2024, and they have been thriving so farFri, 29 May 2026 21:00:41 +0000https://www.smithsonianmag.com/smart-news/four-rare-guam-kingfisher-chicks-hatch-at-virginia-facility-making-an-incredibly-valuable-addition-to-the-small-population-of-extinct-in-the-wild-birds-180988863/https://www.smithsonianmag.com/smart-news/large-invasive-rodents-are-wreaking-havoc-in-california-new-research-suggests-someone-deliberately-introduced-them-180988554/Genetic testing revealed that nutria living in California since 2017 are most closely related to a population in central Oregon—too far for the creatures to have traveled on their ownThu, 16 Apr 2026 16:00:00 +0000https://www.smithsonianmag.com/smart-news/large-invasive-rodents-are-wreaking-havoc-in-california-new-research-suggests-someone-deliberately-introduced-them-180988554/https://www.smithsonianmag.com/smart-news/colombia-plans-to-euthanize-dozens-of-cocaine-hippos-descendants-of-animals-brought-by-notorious-drug-trafficker-pablo-escobar-180988548/If nothing is done to control the invasive creatures, officials estimate the population could grow to 1,000 animals by 2035. So, they aim to cull about 80 individuals later this yearTue, 14 Apr 2026 21:15:13 +0000https://www.smithsonianmag.com/smart-news/colombia-plans-to-euthanize-dozens-of-cocaine-hippos-descendants-of-animals-brought-by-notorious-drug-trafficker-pablo-escobar-180988548/