1. Resolving disputed subspecies distribution limits, and revealing intraspecific intergradation, in the Common Redstart Phoenicurus phoenicurus using citizen science and museum data

   • Nicolas Martinez
   • Guy M. Kirwan
   • Manuel Schweizer

   Original Article Open access 13 August 2022 Pages: 1 - 12

   

2. Species limits and biogeography of the White-browed Tapaculo (Scytalopus superciliaris) complex and the Puna Tapaculo (S. simonsi)

   • Juan I. Areta
   • Diego L. Monteleone

   Original Article 17 August 2022 Pages: 13 - 35

   

3. The role of ecological and geographical drivers of lineage diversification in the Squirrel cuckoo Piaya cayana in Mexico: a mitochondrial DNA perspective

   • Luis A. Sánchez-González
   • Héctor Cayetano
   • Adolfo G. Navarro-Sigüenza

   Original Article 15 August 2022 Pages: 37 - 53

   

4. Disjunct resident population of Melodious Lark Mirafra cheniana discovered in East Africa

   • Brian W. Finch
   • R. Stratton Hatfield
   • Per Alström

   Original Article Open access 22 August 2022 Pages: 55 - 71

   

5. Migration routes, high-use areas, and network connectivity across the annual cycle of an arctic seabird

   • Carrie E. Gray
   • Brian J. Olsen

   Original Article 16 August 2022 Pages: 73 - 84

   

6. Inter and intra-population variability of the migratory behaviour of a short-distance partial migrant, the Eurasian Stone-curlew Burhinus oedicnemus (Charadriiformes, Burhinidae)

   • Valentina Falchi
   • Giulia Cerritelli
   • Dimitri Giunchi

   Original Article Open access 29 September 2022 Pages: 85 - 100

   

7. Margins matter: the importance of field margins as avian brood-rearing habitat in an intensive agricultural landscape

   • Heidi Krüger
   • Kim Jaatinen
   • Petri Nummi

   Original Article Open access 21 September 2022 Pages: 101 - 114

   

8. Nest-site selection of the Iberian Green Woodpecker (Picus sharpei) in three biogeographical regions

   • Diego Villanúa
   • Alberto Lizarraga
   • Xabier Cabodevilla

   Original Article 28 September 2022 Pages: 115 - 123

   

9. Bird breeding season linked to sunshine hours in a marginally seasonal equatorial climate

   • Laura Berman
   • David Li
   • Frank Rheindt

   Original Article 07 September 2022 Pages: 125 - 138

   

10. Incubation scheduling by African Black Oystercatchers: effects of weather, tide phase, and time of day

    • Bukola D. A. Braimoh-Azaki
    • Susan J. Cunningham
    • Will Cresswell

    Original Article 29 September 2022 Pages: 139 - 149

    

11. Breeding biology of the White-throated Kingfisher Halcyon smyrnensis smyrnensis, with emphasis on color and vocalization

    • Dana Sela-Klein
    • Yizhar Lavner
    • Yoni Vortman

    Original Article 14 October 2022 Pages: 151 - 161

    

12. Both morphological and behavioral traits predict interspecific social dominance in birds

    • Gavin M. Leighton
    • Dominique Lamour
    • Eliot T. Miller

    Original Article 28 September 2022 Pages: 163 - 169

    

13. Effects of fixatives and storage duration on avian sperm morphology

    • Gaute Grønstøl
    • Marie Danielsen
    • Jan T. Lifjeld

    Original Article Open access 08 September 2022 Pages: 171 - 181

    

14. The Yellow-breasted Barbet (Trachyphonus margaritatus) introduces vocal duets and choruses with a specific multimodal signal, during territorial advertisement

    • Mathieu Mahamoud Issa
    • Bożena Sikora
    • Tomasz S. Osiejuk

    Original Article Open access 09 September 2022 Pages: 183 - 192

    

15. Slow song syllable rates provoke stronger male territorial responses in Eurasian Reed Warblers (Acrocephalus scirpaceus)

    • Herbert Hoi
    • Alžbeta Darolová
    • Ján Krištofík

    Original Article 28 September 2022 Pages: 193 - 202

    

16. The effect of daylight exposure on the immune response and body condition of Great Tit nestlings

    • Paweł Podkowa
    • Adrian Surmacki

    Original Article Open access 16 September 2022 Pages: 203 - 216

    

17. Eggshell microbiome as a potential microbial reservoir in a cavity nesting bird

    • Felipe Campos-Cerda
    • Roxana Torres
    • Bibiana Montoya

    Original Article 27 October 2022 Pages: 217 - 222

    

18. Male plumage signal expression is related to feather corticosterone concentration in the Pied Flycatcher Ficedula hypoleuca

    • Juan Moreno
    • Jimena López-Arrabé

    Original Article Open access 12 October 2022 Pages: 223 - 232

    

19. Community engagement and data quality: best practices and lessons learned from a citizen science project on birdsong

    • Denise Jäckel
    • Kim G. Mortega
    • Silke L. Voigt-Heucke

    Original Article Open access 13 October 2022 Pages: 233 - 244

    

20. Lowering the cost of citizen science: can we reduce the number of sampling visits in a constant ringing effort-based monitoring program?

    • Juan Arizaga
    • Ariñe Crespo
    • Agurtzane Iraeta

    Original Article 29 October 2022 Pages: 245 - 251