(Internet, Wiktionary and WMF jargon) Of or pertaining to a blue link; any link that directs to an existing wiki.

plural of Xerces blue

(now historical) The extinct bluebuck, Hippotragus leucophaeus.

A bright azure pigment manufactured by cultures of pre-Columbian Mesoamerica.

plural of Maya blue

A moderately deep greenish-blue color.

plural of ocean blue

Hirundo atrocaerulea, a species of swallow.

(ichthyology) A long-lived freshwater species of fish in the sucker family that is of conservation concern.

plural of Blue Sucker