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Swallow chicks perish in UK heatwave nightmare
28 May
Summary
- Baby swallows are dying from overheating and dehydration in the UK.
- The heatwave is proving deadly for young birds unprepared for extreme temperatures.
- Parent swallows struggle to provide moisture and sustenance to vulnerable chicks.

In Caistor St Edmund, Norfolk, adult swallows migrating from South Africa are facing a devastating challenge as Britain experiences a record-breaking May heatwave. Young swallow chicks, some still weeks from fledging, are succumbing to extreme heat and dehydration. Unable to sweat, the chicks become vulnerable as temperatures soar under tin roofs and in feed barns.
One account describes a chick falling from its nest, tragically landing on horse bedding but still succumbing. Another brood faced a fatal fall onto a concrete floor. Parent swallows are observed attempting to nourish their young with insects, a vital source of both food and moisture, but the harsh conditions are proving too much for many.
The intense heat is not only dehydrating animals but also drying up essential water sources and disrupting food chains. This situation underscores the severe impact of unseasonal heat on species that have adapted to different climates, highlighting the vulnerability of wildlife to extreme weather events.