Study Reports First Documented Avipoxvirus Infection in a Swift Species
Four juvenile Common Swifts from three breeding sites in Germany developed avipoxvirus-associated wing lesions. Two recovered and were…
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News about Common Swift
Research, conservation and important developments connected to this species.
Common Swifts Reused Previous Nest Sites in More Than 94% of Repeat Breeding Records
A 15-year study found that common swifts reused previous nest sites in about 94–95% of repeat breeding records.…
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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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UK Breeding Bird Survey: Swift Index Fell 70% as Scotland’s Chiffchaff Index Rose 1,443%
The 2025 UK Breeding Bird Survey revealed steep long-term declines, major regional divergences and some striking increases, including…
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A Subadult Common Swift Was Tracked in Non-stop Flight for 19 Months
A multi-sensor logger followed one subadult common swift through 19 months of non-stop flight, revealing migration and non-breeding…
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Common Swift Faecal Sacs Contain Measurable Energy That Parents May Recycle
A study of 224 nestling faecal sacs found measurable chemical energy that common swift parents could potentially recycle…
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78 Hidden Common Swift Nests Found Before Renovations Led to 212 Replacement Nest Boxes
At two university renovation projects in Rennes, video fusion revealed 78 active common swift nests, while brief visual…
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