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Waterford, CT, United States
This unusual Northern Cardinal frequented the feeder during the month of August. It was a pitiful looking bird.
This Northern Cardinal had been visiting the feeder several times in August 2014.
This is fairly common among Cardinals when the weather gets really warm. They get some kind of mite that seems to prefer their head feathers. My guess is that they pass it to one another as their heads come in contact with feeder or tree surfaces. It only seems to thrive during the warmer part of the Summer here in Delaware. It apparently does not cause any debilitating illness and, as the weather cools, their feathers grow back. It is interesting to me in that it exposes their otherwise hidden dark skin color.
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