Animals
Nearly half a million 'invasive' owls, including their hybrid offspring, to be killed by US
U.S. wildlife officials plan to kill nearly half a million "invasive" American owls over three decades, new documents confirm. Experts say the cull is needed to help protect two native owl species, which have been put under threat from the invaders. However, animal rights activists have condemned the plan as cruel and unnecessary.
Barred owls (Strix varia) are large owls native to eastern North America. In the early 20th century, these owls started moving west of the Mississippi River following "human-induced changes" to the Great Plains and northern boreal forest, according to the U.S. Fish and Wildlife Service (FWS). As a result, the owls have gained a stronghold in Washington, Oregon and California, where they are considered an invasive species.
The arrival of barred owls in the Northwest has adversely affected two native owl species — northern spotted owls (Strix occidentalis caurina) and California spotted owls (Strix occidentalis occidentalis) — which are both much smaller than the invaders and are being outcompeted for food and territory. Both native species have also been impacted by extreme logging activity over the last few decades, which has majorly reduced their range, according to California's Santa Clara University.
Barred owls have also started mating with the spotted owls, creating hybrids that have the potential to reduce the gene pool of the spotted owl species.
The northern spotted owl population has declined severely over the past few decades, and the species is now outnumbered by barred owls across most of its range. The species is currently listed as threatened in the Endangered Species Act (ESA), which means the FWS is obligated to help protect the species. The FWS has also proposed that California spotted owls should be added to the ESA list because their numbers are also starting to decline.
On July 3, the FWS released its final Proposed Barred Owl Management Strategy following the completion of a public comment process. The documents reveal that the agency aims to remove around 450,000 barred owls, including barred-spotted owl hybrids, over a 30-year period. The plan could be officially confirmed by the end of this year.
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