Ruby-crowned kinglet (Regulus calendula) near Rescue Creekby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038838/photo-image-bird-animalFree Image from public domain licenseRuby-crowned kingletWe spotted this ruby-crowned kinglet showing off his brilliant red crown in Minnesota. Photo by Mike… https://www.rawpixel.com/image/9654255/photo-image-crown-animal-public-domainFree Image from public domain licenseRuby-crowned kingletSmall, mostly olive-colored bird with a bit of red visible at the top of its head Credit NPS/Andy… https://www.rawpixel.com/image/4033541/photo-image-bird-animalFree Image from public domain licenseRuby crowned Wren from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from… https://www.rawpixel.com/image/277433/free-illustration-image-audubon-birds-america-public-domain-calendulaFree Image from public domain license119. The Ruby-crowned Kinglet (Regulus calendula) 120. The Pine Warbler (Sylvicola pinus) illustration from Zoology of New… https://www.rawpixel.com/image/329283/free-illustration-image-pinus-kinglet-calendulaFree Image from public domain license