The number of alien bird species with recorded socio-economic impacts from each of six orders. Pas: Passeriformes; Psi: Psittaciformes; Gal: Galliformes; Ans: Anseriformes; Col: Columbiformes; Fal: Falconiformes. Total species with impacts = 57. A further 358 species were categorised as being Data Deficient (DD) under SEICAT. % = proportion of bird species in each order with impact data.

 
 
  Part of: Evans T, Blackburn TM, Jeschke JM, Probert AF, Bacher S (2020) Application of the Socio-Economic Impact Classification for Alien Taxa (SEICAT) to a global assessment of alien bird impacts. In: Wilson JR, Bacher S, Daehler CC, Groom QJ, Kumschick S, Lockwood JL, Robinson TB, Zengeya TA, Richardson DM. NeoBiota 62: 123-142. https://doi.org/10.3897/neobiota.62.51150