|Photo from Wikimedia Commons|
They may bathe more than most birds, about twice daily, to remove excessive oil from their feathers. Most birds have a preen gland or uropygial gland at the base of the tail. With their beak, birds realign the barbs correctly, remove any dirt or parasites and sometimes apply preen oil. Robins and bluebirds seem to produce more preen oil than other birds.
feathers carefully for a year until they go through another molt.
Bathing also helps keep ectoparasites or other external hitchhikers off including microscopic feather mites, flat hippoboscid flies that bite, or visible ticks.
Water is a powerful attractor and will increase the number and variety of birds coming to your yard.
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