**a male and female Purple Martins in flight. Extremely close up and detailed view of both. The purple martin (Progne subis) is a passerine bird in the swallow family Hirundinidae. It is the largest swallow in North America. Despite its name, the purple martin is not truly purple. The dark blackish-blue feathers have an iridescent sheen caused by the refraction of incident light[2] giving them a bright blue to navy blue or deep purple appearance. In some light they may even appear green in color --s 750 --v 5** - Image #4 <@226740735834062848>
a male and female Purple Martins in flight. Extremely close up and detailed view of both. The purple martin Progne subis is a passerine bird in the swallow family Hirundinidae. It is the largest swallow in North America. Despite its name, the purple martin is not truly purple. The dark blackishblue feathers have an iridescent sheen caused by the refraction of incident light2 giving them a bright blue to navy blue or deep purple appearance. In some light they may even appear green in color