Common kingfishers are not listed as a concern for many of the top conservation sites. However, common kingfishers do undergo large fluctuations in populations on a yearly basis. This is due mostly to severe cold. In one census, after a severe winter in Belgium there were only 8 pairs, five years later there were 45, but reduced to 25 the following year.
US Migratory Bird Act: no special status
US Federal List: no special status
CITES: no special status
IUCN Red List of Threatened Species: least concern
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