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How can we recognise house sparrows and barn swallows?

How can we recognise house sparrows and barn swallows?

Let's compare the two well-known bird species.

Biology

Author: Horváthné Kunstár Andrea, Jámbor Gyuláné

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Keywords

, házi veréb, nidicolous, migratory bird, migrating bird, non-migratory bird, bird, birds, aviation, feather, plumage, beak, leg, vertebrates, egg, biology, nest, nature study, ecology, zoology

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