1. The impact of wind energy facilities on grouse: a systematic review

   • Joy Coppes
   • Veronika Braunisch
   • Ursula Nopp-Mayr

   Review 01 August 2019 Pages: 1 - 15

   

2. A re-evaluation of the chemical composition of avian urinary excreta

   • Nicholas M. A. Crouch
   • Vincent M. Lynch
   • Julia A. Clarke

   Original Article 05 August 2019 Pages: 17 - 24

   

3. Changes in blood biochemistry of incubating Baltic Common Eiders (Somateria mollisima)

   • Svend-Erik Garbus
   • Jens Peter Christensen
   • Christian Sonne

   Original Article 03 September 2019 Pages: 25 - 33

   

4. Experimental reduction of nestling hemoglobin concentration in combination with ectoparasite load manipulation affects nestling morphology and begging behavior, but not adult behavior

   • Ilsa A. Griebel
   • Russell D. Dawson

   Original Article 03 September 2019 Pages: 35 - 45

   

5. Anosmic migrating songbirds demonstrate a compensatory response following long-distance translocation: a radio-tracking study

   • Dmitry Kishkinev
   • Anna Anashina
   • Richard A. Holland

   Original Article Open access 06 August 2019 Pages: 47 - 57

   

6. Barrier effects of mountain ranges for broad-front bird migration

   • Janine Aschwanden
   • Matthias Schmidt
   • Felix Liechti

   Original Article 09 September 2019 Pages: 59 - 71

   

7. Seasonal and diurnal increases in energy stores in migratory warblers at an autumn stopover site along the Asian–Australasian flyway

   • Martha Maria Sander
   • Wieland Heim
   • Heiko Schmaljohann

   Original Article 21 August 2019 Pages: 73 - 87

   

8. Stopover ecology of autumn-migrating Bluethroats (Luscinia svecica) in a highly anthropogenic river basin

   • Philippe Fontanilles
   • Iván De la Hera
   • Christian Kerbiriou

   Original Article 28 September 2019 Pages: 89 - 101

   

9. Apparent survival, growth rate and dispersal in a declining European Roller population

   • Juan Rodríguez-Ruiz
   • Mónica Expósito-Granados
   • Deseada Parejo

   Original Article 08 August 2019 Pages: 103 - 113

   

10. Population genetics of the Plumbeous Sierra-finch (Geospizopsis unicolor) across the Ecuadorian paramos: uncovering the footprints of the last ice age

    • Elisa Bonaccorso
    • Carlos Rodríguez-Saltos
    • Jesús Muñoz

    Original Article 13 August 2019 Pages: 115 - 123

    

11. Molecular evidence of extra-pair paternity and intraspecific brood parasitism by the Magellanic Penguin (Spheniscus magellanicus)

    • Anna Carolina Milo Marasco
    • João Stenghel Morgante
    • Gisele Pires de Mendonça Dantas

    Original Article 26 September 2019 Pages: 125 - 135

    

12. A multi-isotope and morphometric analysis to uncover ecological niche divergence in two endemic island birds from Madagascar: the Dark and Common Newtonia (Vangidae)

    • Elizabeth Yohannes
    • Friederike Woog

    Original Article 08 August 2019 Pages: 137 - 147

    

13. Age-related differences in diet and foraging behavior of the critically endangered Mariana Crow (Corvus kubaryi), with notes on the predation of Coenobita hermit crabs

    • Sarah K. Faegre
    • Lindsey Nietmann
    • Renee R. Ha

    Original Article 06 September 2019 Pages: 149 - 158

    

14. Low food abundance prior to breeding results in female-biased sex allocation in Tengmalm’s Owl (Aegolius funerus)

    • Marek Kouba
    • Adam Dušek
    • Karel Šťastný

    Original Article 06 September 2019 Pages: 159 - 170

    

15. Returning for more prey? Foraging in provisioning male Boreal Owls (Aegolius funereus)

    • Rune Sørås
    • Oda A. Gundersen
    • Geir A. Sonerud

    Original Article 06 September 2019 Pages: 171 - 181

    

16. Age-, sex- and tactic-specific kleptoparasitic performance in a long-lived seabird

    • Germán O. García
    • Carla A. Paterlini
    • Sandra Bouwhuis

    Original Article 16 October 2019 Pages: 183 - 188

    

17. Hummingbird-plant visitation networks in agricultural and forested areas in a tropical dry forest region of Guatemala

    • Michelle Bustamante-Castillo
    • Blanca Estela Hernández-Baños
    • María del Coro Arizmendi

    Original Article 17 September 2019 Pages: 189 - 201

    

18. From plants to feces: pilot applications of FTIR spectroscopy for studies on the foraging ecology of an avian herbivore

    • U. Nopp-Mayr
    • M. Zohmann-Neuberger
    • E. Smidt

    Original Article Open access 25 September 2019 Pages: 203 - 215

    

19. The Central Andes of Peru: a key area for the conservation of Polylepis forest biodiversity

    • Harold Rusbelth Quispe-Melgar
    • C. Steven Sevillano-Ríos
    • Michael Kessler

    Original Article 21 August 2019 Pages: 217 - 228

    

20. The effects of climate change on the distribution of South American antbirds (Thamnophilus punctatus complex) as affected by niche divergences and contact zone interactions between species

    • Erasmo Andrade da Silva
    • Helder Farias Pereira de Araujo
    • Alexandre M. Fernandes

    Original Article 28 September 2019 Pages: 229 - 241

    

21. Bird services applicable to mine restoration: a case study of Sand Martin (Riparia riparia) burrow construction

    • Zoë Rohrer
    • Salvador Rebollo
    • Juan Franco

    Original Article 17 September 2019 Pages: 243 - 255

    

22. Moult and plumage patterns of the critically endangered Yellow-breasted Bunting (Emberiza aureola) at a stopover site in Korea

    • Jong-Gil Park
    • Chang-Uk Park
    • Dongh-Ha Nam

    Original Article 26 September 2019 Pages: 257 - 266

    

23. Embryonic development of the Little Owl (Athene noctua) and Tengmalm’s Owl (Aegolius funereus) compared to the American Barn Owl (Tyto furcata): reference data for staging

    • Markus Krings
    • Elena Müller-Limberger
    • Hermann Wagner

    Original Article 26 September 2019 Pages: 267 - 273

    

24. Who pays the bill? The effects of altered brood size on parental and nestling physiology

    • Emily Cornelius Ruhs
    • François Vézina
    • William H. Karasov

    Original Article 04 October 2019 Pages: 275 - 288

    

25. Sexual dichromatism of the Blue-throated Starfrontlet, Coeligena helianthea, hummingbird plumage

    • Juliana Sosa
    • Juan L. Parra
    • Marco A. Giraldo

    Original Article Open access 09 September 2019 Pages: 289 - 296

    

26. Mitochondrial phylogeography of the genus Eremophila confirms underestimated species diversity in the Palearctic

    • Fatemeh Ghorbani
    • Mansour Aliabadian
    • Per Alström

    Original Article 27 September 2019 Pages: 297 - 312

    

27. A new Myzomela honeyeater (Meliphagidae) from the highlands of Alor Island, Indonesia

    • Mohammad Irham
    • Hidayat Ashari
    • Frank E. Rheindt

    Original Article 05 October 2019 Pages: 313 - 324

    

28. The first fossil barbet (Aves, Ramphastidae) from Siberia

    • N. V. Volkova

    Original Article 25 September 2019 Pages: 325 - 332

    

29. Photography as a tool for avian morphometric measurements

    • Heather M. Williams
    • Samantha B. Wilcox
    • Andrea J. Patterson

    Original Article 17 October 2019 Pages: 333 - 339