January 22, 2020 – In the Pacific Northwest, the range expansion of Barred Owls has contributed to a conservation crisis for Northern Spotted Owls, which are being displaced from their old-growth forest habitat. How will this interaction between species play out in the Sierra Nevada, where Barred Owls are just starting to move into the […]
American Ornithological Society
Posted inRegional
Timing of spring birdsong provides climate insights
Jan. 19, 2018 – Climate change has scientists worried that birds’ annual migration and reproduction will be thrown out of sync with the seasons. Because birds’ songs are correlated with their breeding behavior and are easily identifiable to species, monitoring birdsong can be a good way to keep tabs on this possibility, and a new […]
Posted inRegional
Songbird populations may indicate trouble in northwestern forests
Sept. 27, 2017 – Populations of many North American songbirds are declining, and in many cases we don’t understand why–for example, whether the problem lies with reproductive success or in the survival rates of adults. Conservation efforts need this information to be effective, and bird banding stations can help fill in the gaps, providing insights […]