Glass mixed with Uranium Oxide will fluoresce yellow-green under a UV light.
Red-shouldered Hawk
A hawk of the woodlands, often heard before it is seen. The clear whistled calls of this hawk are conspicuous,…
Glowing Marbles
Yellow glass made from manganese glows orange-peach under a blacklight. https://www.chicagotribune.com/news/ct-xpm-2002-03-24-0203240039-story.html
Uranium Glass Marbles
Because of the uranium content, these marbles glow bright green under ultraviolet light. The most typical color of uranium glass…
Raccoon
A raccoon’s face has several markings that help it stand out. The most noticeable marking is the black “mask”—large black…
American Goldfinch
The American goldfinch—which is also known as the willow goldfinch and the eastern goldfinch—is the official bird of Washington State, Iowa, and New…
Ruby-crowned Kinglet
Smaller than a warbler or chickadee, this plain green-gray bird has a white eyering and a white bar on the…
Chipping Sparrow
The Chipping Sparrow is one of the smallest sparrows. It is easily identified during the breeding season by the reddish-brown…
Northern Cardinal
Male cardinals are brilliant red all over, with a reddish bill and black face immediately around the bill. Females are…
House Finch
Adaptable, colorful, and cheery-voiced, House Finches are common from coast to coast today, familiar visitors to backyard feeders. https://www.audubon.org/field-guide/bird/house-finch
IN MY VIEWFINDER 
You must be logged in to post a comment.