Ground Beetles Dominated the Diet of Eurasian Tree Sparrow Chicks
DNA metabarcoding of 59 faecal samples from Eurasian tree sparrow chicks at three sites in southern England detected…
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News about Eurasian Tree Sparrow
Research, conservation and important developments connected to this species.
2023 Survey Found Eurasian Tree Sparrows in 7.8% of a Beijing Swift Tower’s Usable Boxes
A 2023 breeding-season survey found Eurasian tree sparrows in 137 of 1,763 usable boxes in a Beijing tower…
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Tree and House Sparrows Divided Assam’s Urban Landscape
Surveys across five towns found tree sparrows most strongly associated with green suburban zones, while house sparrows concentrated…
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Estimated Adult Tree Sparrow Survival Was Lower in Intensively Managed Madrid Parks
A 19-year study linked intensive maintenance of Madrid green spaces to lower estimated adult survival in Eurasian tree…
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Plastic in Nests Killed and Injured Eurasian Tree Sparrows
A South Korean field study found artificial material in every Eurasian tree sparrow nest examined, alongside seven dead…
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First Survey Found More Than 20 Variants in the Eurasian Tree Sparrow Prion Gene
Sequencing of 44 South Korean Eurasian tree sparrows revealed more than 20 PRNP variants, providing the first genetic…
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Heavy-Metal Exposure Coincided With Altered Behaviour in Eurasian Tree Sparrows
Wild Eurasian tree sparrows at a metal-polluted site carried higher contaminant loads and showed differences in behaviour and…
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Common Grasshopper Warblers and Eurasian Tree Sparrows Declined Sharply at a Portuguese Ringing Station
A 27-year Portuguese ringing study found declines in all five long-distance migrants; common grasshopper warblers now barely occur…
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More Widespread House Sparrows Had More Avian Malaria Than Tree Sparrows
In Missouri and Illinois, avian malaria was detected in 24.1% of house sparrows but 11.6% of Eurasian tree…
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