Usutu Virus RNA Was Found Nearly Three Times as Often as West Nile Virus RNA in Southern France
Among 2,533 wild birds from 69 species in southern France, Usutu virus RNA was detected in 12.0% and…
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News about Barn Swallow
Research, conservation and important developments connected to this species.
Larger Broods and Older Social Fathers Were Linked to Shorter Telomeres in Male Barn Swallow Nestlings
A long-term study near Milan found shorter telomeres in male barn swallow nestlings from larger broods or with…
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Mitochondrial DNA Reveals a More Complex Evolutionary History of Barn Swallows
A study of 580 complete barn swallow mitochondrial genomes found five major maternal lineages, including a newly recognised…
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About Ten Barn Swallow Pairs Used Replacement Nesting Structures at Goss Farm
About ten barn swallow pairs used replacement nesting structures after access to a long-used barn colony at Goss…
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Longer Telomeres in Yearling Barn Swallows Predicted Longer Lives and More Fledglings
A lifetime study of 106 barn swallows found that birds with longer telomeres when they entered the breeding…
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Almost All Active Barn Swallow Nests Were in Inhabited and Older Buildings in China
Across three Chinese regions, 98.1% of 942 active barn swallow nests were in inhabited buildings and 91.9% were…
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PCB Concentrations in Birds Near Anniston Were Among the Highest Recorded in North America
An exposure study of seven bird species along Snow Creek and Choccolocco Creek near Anniston, Alabama, found PCB…
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Merchant Acceptance Was Highest in Daegu Markets With Barn Swallow Nests
Barn swallows nested in 10 of 48 traditional markets surveyed in Daegu. Broad environmental variables did not distinguish…
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Barn Swallow Index Showed Clear Declines on Both Time Scales in India
The 2025 State of India’s Birds update estimated a −21.0% long-term trend and a −3.2% current annual trend…
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Head size was linked to nest-site choices and fledgling numbers in barn swallows
A study of 109 nests in southern China linked larger head size to more enclosed nest sites, while…
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Human Hair and Fishing Line Caused Seven Deaths in Barn Swallow Nests
A study of 193 barn swallow nests in China documented seven fatal entanglements involving human hair or fishing…
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Barn Swallow Nestling Diets Differed Between Rural and Urban Himalayan Settlements
An analysis of 240 faecal samples found beetle remains in 96.7% and hymenopterans in 75%, with dietary differences…
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No Pesticide Residues Detected in Starling Faeces in Farmland Insectivore Study
A 2026 study linked pesticide residues in insect-eating birds and bats to their use of aquatic habitats. Residues…
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Genetic Check Finds True Brood Parasitism Almost Absent in Barn Swallows
Parentage analysis of 7,827 offspring found mixed maternity in six broods, but only three of 1,943 broods represented…
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Breeding Records Suggest a Year-round Barn Swallow Population in Imphal Valley
Surveys in Imphal Valley, Manipur, found Barn Swallow nests at about 50 properties and adults present outside the…
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Upper Columbia Project Documented 69 Barn Swallow Breeding Sites
A five-year project in British Columbia’s Upper Columbia Valley documented 69 Barn Swallow breeding sites with 140 nesting…
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Pyrethroid Insecticides Were the Most Likely Cause of 12 Barn Swallow Deaths in a Dutch Stable
An investigation of 12 barn swallow deaths in a Dutch riding stable linked the event to probable acute…
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Barn Swallow Was the Most Frequent Bird-Strike Species Identified at Hangzhou Airport
At Hangzhou Xiaoshan International Airport, barn swallow accounted for 9 of 114 identified strike samples (7.9%). Year-round surveys,…
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PFAS Biomagnified From Insects Into Barn Swallows, With the Highest Estimated Risk Just After Hatching
A South China study found trophic magnification of PFAS in barn swallows and estimated the greatest risk during…
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Longer-Tailed Female Barn Swallows Were More Likely to Have Extra-Pair Mates
In 47 North American barn swallow pairs, female traits were more strongly associated with extra-pair fertilizations than male…
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