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Flying insects
- Swallows exclusively feed on flying insects, such as horseflies and bluebottle flies. As the temperatures begin to drop here in the UK during the autumn season, the trees lose their leaves and many of these insects go into hibernation, and so the swallows’ food source begins to wear thin.
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Oct 21, 2021 · Swallows have a varied diet but flying insects make up the bulk of it at 99% so they are known as insectivores. They catch on the wing and will spend hours darting about hoovering up insects particularly when they have young to feed in the nest. The insects that swallows eat depend on where they have migrated to.
Swallows exclusively feed on flying insects, such as horseflies and bluebottle flies. As the temperatures begin to drop here in the UK during the autumn season, the trees lose their leaves and many of these insects go into hibernation, and so the swallows’ food source begins to wear thin.
Swallows are small birds with dark, glossy-blue backs, red throats, pale underparts and long tail streamers. They are extremely agile in flight and spend most of their time in the air. They are widespread breeding birds in the Northern Hemisphere, migrating south in winter.
Swallows are widespread and common birds of farmland and open pasture near water. They are agile fliers, feeding on flying insects while on the wing. Before they migrate back to their wintering grounds in Africa, they can be seen gathering to roost in wetlands, particularly reedbeds.
Mar 8, 2022 · Swallows head south at the end of summer because the European winter is too cold for the flying insects on which they feed. The change in behaviour is one of the most remarkable signs yet of the warming world being caused by climate change, according to the BTO’s Chief Executive, Juliet Vickery.
May 20, 2022 · The diet of the swallows generally consists of insects with a small number of eggshells or grit to aid digestion. In the autumn season in the UK, the food source for barn swallows get dries up which makes them migrate 6000 miles to Africa in search of insects and a suitable climate.
Our beginner's guide to swallows looks at how to identify them, where they live, how far they migrate and where they go in winter.