Siberian blue robin (Luscinia cyane)
blue-and-white flycatcher (Cyanoptila cyanomelana)
scarlet pimpernel (Anagallis arvensis)
Lidth's jay (Garrulus lidthi)
gold-ribbon grouper (species of fish, Aulacocephalus temmincki)
Omphalodes japonica (species of flowering plant related to borage)
lapis lazuli blue; bright blue; azure
nemophila (Nemophila menziesii); baby blue-eyes
eastern bluebird (Sialia sialis)
indigo bunting (Passerina cyanea)
sapphire devil (Chrysiptera cyanea)
superb blue-wren (Malurus cyaneus); superb fairywren; blue wren
Eucorydia yasumatsui (species of cockroach)
beach speedwell; Veronica Longifolia