plural of blue rock thrush

Monticola solitarius, a thrush-like flycatcher found in southern Europe, northern Africa and parts of Asia

plural of blue-green bacterium

cyanobacterium

Alternative spelling of sky-blue pink

(Canada, US) Collinsia verna, an annual plant native to the eastern and central parts of North America, having blue and white flowers.

Any octopus of the genus Hapalochlaena, with distinctive blue rings, that carry the highly poisonous venom tetrodotoxin (TTX).

plural of blue-ringed octopus

plural of blue-ringed octopus

Cyanistes teneriffae, a small bird of the tit family Paridae