cocoic is incorrectly written, and should be written as Cocoi being its meaning: I think that they sought to ask for cocoi. Cocoi Heron is the name given to the frog Oophaga histrionica of the Dendrobatidae family, considered one of the most poisonous in the world which is located in the chocoanas jungles of Colombia. It is also called Harlequin poison frog.