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Computer scientists digitally render iridescent bird feathersComputer animators and video game designers may soon have a better way to create the purple-green sheen of ... off different ...
Purple martins are returning from South America. The first "scouts" have been spotted in Michigan. What to know.
The purple martin is an extremely popular and well-known bird due to its willingness to ... dark shaft streaks on ventral feathers, and sometimes a less distinct collar on hind neck; females ...
In Michigan, many purple martin enthusiasts set up large bird houses or complexes in their ... they don’t molt their flight and tail feathers until they have reached South America.
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