Species introductions, whether intentional or accidental, almost always result in negative consequences. Non-native plants and animals introduced to a new area tend to die out or take over, rarely do ...

Great efforts have been made to curtail the introduction of exotic species into the wild. One reason is because some become too successful, threatening the well-being of native species. Many plants ...

European starlings, an invasive species in the U.S., lay blue eggs often mistaken for those of bluebirds or robins. Unlike native birds, starlings outcompete local species and are not protected by law ...

European starlings are one of my favorite "winter’s coming" birds. We have a couple that nest during the summer in a cavity high up in a dead poplar, but rarely see them. This time of year, however, ...

Great efforts have been made to curtail the introduction of exotic species into the wild. One reason is because some become too successful, threatening the well-being of native species. Many plants ...