When they land, patches of iridescent green make their wings appear to be glowing. The animals are Hewitsonia butterflies — and were just discovered as a new species. “The adult Hewitsonia ...

These small, iridescent-colored flying insects are part of a larger family called “sweat bees,” or Halictidae. Not all of them are green ... Calling an insect a “sweat bee” might seem ...

What Does a Tree Swallow Look Like? The tree swallow is typically a straightforward enough bird to identify, even for newer birders. With shiny, almost iridescent teal upperparts and white below, ...