1815 in birding and ornithology


 * Extinction of Ascension flightless crake
 * Death of Alexandre Rodrigues Ferreira
 * Franco Andrea Bonelli discovers Bonelli's warbler and Bonelli's eagle named by Louis Vieillot in 1819 and 1822 respectively.
 * Karl Heinrich Bergius arrives in Cape Town
 * Constantine Samuel Rafinesque publishes Analyse de la Nature ou tableau de l'univers et des corps organisés in Palermo
 * Karl Heinrich Bergius arrives in Cape Town in order to make natural history collections for the Berlin Museum

Ongoing events
 * Coenraad Jacob Temminck Histoire naturelle générale des pigeons et des gallinacés New species described in this work in 1815 include the undulated tinamou, the red-winged tinamou, the brown tinamou, the Tataupa tinamou the grey tinamou and  the spotted nothura
 * James Francis Stephens General Zoology New species described in this work in 1815 include the African cuckoo the greater coucal, the golden-breasted bunting, the chestnut-breasted malkoha the red-chested cuckoo, the lesser honeyguide the Narina trogon and Klaas's cuckoo