At the end of January, I heard a northern cardinal sing. Birdy, birdy, birdy. What cheer, cheer, cheer. A crimson-red male sat at the top of the tree and sent out his advertisement to a nearby female.
A "once-in-a-lifetime” sighting made by a Pennsylvania birdwatcher took internet flight in late February 2021 when photographs claimed to capture a half-male, half-female northern cardinal. The ...
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