Bauer, H.-G.: Acrocephalus palustris Marsh Warbler. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, pp. 622 - 623 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Aix sponsa Wood Duck. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 142 - 142 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Amandava amandava Red Avadavat. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 782 - 782 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Anser indicus Bar-headed Goose. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 119 - 119 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Aquila adalberti Spanish Imperial Eagle. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 454 - 454 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Argya altirostris Iraq Babbler. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 690 - 690 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Charadrius leschenaultii Greater Sandplover. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 302 - 302 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Colinus virginianus Northern Bobwhite. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 97 - 97 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Emberiza caesia Cretzschmar's Bunting. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 869 - 869 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Emberiza cineracea Cinereous Bunting. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 868 - 868 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Euplectes afer Yellow-crowned Bishop. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 780 - 780 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Falco biarmicus Lanner Falcon. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 524 - 524 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Falco cherrug Saker Falcon. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 525 - 525 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Hippolais olivetorum Olive-tree Warbler. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 611 - 611 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Iduna opaca Isabelline Warbler. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 609 - 609 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Iduna rama Sykes's Warbler. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 607 - 607 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Lonchura punctulata Scaly-breasted Munia. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 783 - 783 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Oenanthe finschii Finsch's Wheatear. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 763 - 763 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Oenanthe xanthoprymna Kurdish Wheatear. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 753 - 753 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)

Bauer, H.-G.: Ploceus melanocephalus Black-headed Weaver. In: European Breeding Bird Atlas 2: Distribution, Abundance and Change, p. 780 - 780 (Eds. Keller, V.; Herrando, S.; Voříšek, P.; Franch, M.; Kipson, M. et al.). European Bird Census Council & Lynx Edicions, Barcelona (2020)