eo – epo – Esperanto – Esperanto | Constructed language used by some 100,000 active speakers and widely used as an auxiliary language worldwide | Avionary Species Coverage: about 98% | The basis of the Esperanto names was the ‘Komunlingva Nomaro de Eŭropaj Birdoj’ (1970) of the Nomenklatura Komisiono de la Ornitologia Rondo Esperantlingva, subsequently enlarged as the ‘Komunlingva Nomaro de la Okcidentpalearktaj Birdoj’ (1989, 1995) by Ruurd Jorritsma. Additional names were coined following the guidelines of the Nomenklatura Komisiono or taken from the Esperanto wikipedia. The available names in Esperanto are also listed on the relevant species list L.