Characteristics of older forests can buffer effects of climate change for some bird species

Global Change Biology (2022). DOI: 10.1111/gcb.16353″ width=”800″ height=”530″/> Study area map and photographs of typical vegetation in the study area. (a) Location of the study area, HJ Andrews Experimental Forest in Oregon. (b) Sampling locations (points; black circles) and altitudinal gradient of the watershed. (c) Vegetation height and stands with harvest history (yellow boundaries). (d) … Read more

Decreasing backyard bird diversity flies under the radar

Credit: Unsplash/CC0 Public Domain A deep dive into bird survey data has found that some of Australia’s favorite backyard visitors considered ‘common’ are actually on the decline as cities and suburbs opt for less greenery. The study, led by Griffith University and published in Biological Conservationused citizen science data to examine the prevalence and diversity … Read more

Genetics of two bird species hardly differs, despite a significant plumage variation

by Gesine Steiner, Museum für Naturkunde – Leibniz-Institut für Evolutions- und Biodiversitätsforschung Molecular Ecology (2022). DOI: 10.1111/mec.16637″ width=”800″ height=”530″/> Population structure. The gray and maroon correspond to masked and white-browed woodswallow, respectively. The assignment to species is done purely by plumage. (a) Autosomal network generated from uncorrected pairwise distances among individuals. (b) Z chromosome network … Read more

Bird flu takes unheard-of toll on bald eagles, other birds

In this photo provided by the Wisconsin Humane Society, two people at the humane society’s Wildlife Rehabilitation Center in Milwaukee provide care to a female bald eagle that later tested positive for the avian influenza, April 8, 2022. The female bird had been captured earlier in the day from a lakeside neighborhood after neighbors noticed … Read more

Bird populations in eastern Canada declining due to forest ‘degradation,’ research shows

Credit: CC0 Public Domain Bird species that live in wooded areas are under stress from human-caused changes to forest composition, according to new research led by Oregon State University that quantifies the effects of forest “degradation” on bird habitat. “Reducing forest loss has been the main focus of conservation policy to date, which is well … Read more