Raven Herpesvirus Was Suspected in Six Sudden Deaths in Poland
Six Common Ravens found dead together in central Poland were positive for both circovirus and a herpesvirus not…
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News about Common Raven
Research, conservation and important developments connected to this species.
Oiling Raven Eggs Cut Hatchability 94.5% and Raised Estimated Greater Sage-Grouse Abundance 44% Relative to Controls
A seven-site experiment in Nevada and California found that oiling common raven eggs cut hatchability by 94.5%, more…
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Ravens Waited for Wild Boars Before Approaching Food
Experiments with free-ranging ravens in Austria found that the birds delayed their first approach to food until wild…
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Family size shapes social object play in young ravens
A 2026 experiment found that small differences in sibling number changed how juvenile ravens gathered around object playgrounds…
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Common Ravens Responded to Visitor Numbers Rather Than a Fixed Weekend Cycle
Five years of GPS data from free-ranging Common Ravens in Austria showed that daily foraging declined and space…
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Pied Crow and Common Raven Began a Mixed Breeding Attempt at Jbel Moussa
A pied crow repeatedly seen with a common raven at Jbel Moussa in northern Morocco began a mixed…
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Ravens Revisited Yellowstone Wolf-kill Hotspots Instead of Following Wolves Over Long Distances
GPS tracking of 69 ravens found just one clear case of prolonged wolf-following in 2.5 years. Instead, the…
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