TWS2021: Northern spotted owls face extirpation due to barred owls
A large-scale analysis shows that barred owls are the biggest factor impacting northern spotted owls in the Pacific Northwest. Researchers believe some northern ...
Pacific Northwest
Removing barred owls aids northern spotted owl recovery
Throughout the Pacific Northwest, federally threatened northern spotted owls have faced growing competition from invasive barred owls, which have moved into their ...
Hoary marmots can’t cope with snow droughts
Increasing frequency and length of snow droughts in Washington state may be linked to hoary marmot population declines. “Hoary marmots are one of many subnivean ...
Asian giant hornet nest reveals its secrets
When the Washington State Department of Agriculture destroyed a nest of Asian giant hornets last month, they not only gathered up the hundreds of hornets at various ...
Climate change may push Northwest amphibians to the brink
By the 2080s, amphibians may be either too hot or too dehydrated to inhabit the mountains of the Pacific Northwest under projected climate change scenarios. In a ...
Listening in to help monitor northern spotted owls
By listening to sounds collected from recording devices in the forest, researchers can detect northern spotted owls and invasive barred owls, which can help with ...
For pikas, heat isn’t climate change’s only threat
Throughout much of their range, American pikas (Ochotona princeps) face threats from warming temperatures brought on by climate change. Small mammal that mostly ...
25 years after Northwest Forest Plan, birds still declining
In the 25 years since the Northwest Forest Plan was initiated, bird species still are not recovering, researchers found, despite sweeping protections the plan ...
Responding to drought, salamanders and trout seem resilient
Many well-known species like polar bears (Ursus maritimus) face immediate threats from climate change. But some wildlife, like populations of coastal cutthroat ...
As climate warms, old-growth forests could give birds refuge
With temperatures expected to rise over the coming decades, some bird species could find it difficult to cope and suffer declines. But researchers in the Pacific ...