Nares n. pl. : The nostrils or nasal openings, -- the anterior nares being the external or proper nostrils, and the posterior nares, the openings of the nasal cavities into the mouth or pharynx.

Example:
My budgie parakeet's Nares look inflamed. Are there any steps I can take before going to the vet?

Taxonomy
Nostril, nares, Human nostrils, free encyclopedia, nose, cartilages, navs, beak, California, search, Raccoon, one of the two, bifurcate, birds, bones, warm air, inhalation, moisture.

Defination from the web:
naris, pl. nares) is one of the two channels of the nose, from the point where they bifurcate to the external opening. ... Dilator naris muscle [edit] External links. Look up nostril in Wiktionary, the free dictionary. nares at Dorland's Medical Dictionary. Nostril at ...