A species of tree frog native to Costa Rica, Agalychnis annae, noted for the blue stripes running down both of its sides.

plural of blue-sided leaf frog

(simile) To be frantic, harried or restless

An economically important disease in pigs caused by the Porcine reproductive and respiratory syndrome virus, in genus Arterivirus.

plural of blue-cheeked bee-eater

Merops persicus, a species of bee-eater found in North Africa and the Middle East.

A snake, Pseudechis guttatus, of eastern Australia.

plural of blue-bellied black snake

(astronomy) a very short duration bright flash in the visible spectrum; thought to be caused by a type of supernova

The bird Elminia albicauda