Weather conditions determine reproductive success of a ground-nesting bird of prey in natural dune grasslands Steffen KämpferElias EngelThomas Fartmann Original Article Open access 09 July 2022 Pages: 855 - 865
Flight altitudes and flight activities of adult Red Kites (Milvus milvus) in the breeding area as determined by GPS telemetry Thomas PfeifferBernd-Ulrich Meyburg Original Article Open access 21 June 2022 Pages: 867 - 879
Migration routes and timing of European Nightjars (Caprimulgus europaeus) breeding in eastern Mongolia Michiel LathouwersRaphaël NussbaumerRuben Evens Original Article 02 July 2022 Pages: 881 - 890
Accelerating decline of an important wintering population of the critically endangered Spoon-billed Sandpiper Calidris pygmaea at Sonadia Island, Bangladesh Sayam U. ChowdhuryMohammod FoysalRhys E. Green Original Article Open access 16 June 2022 Pages: 891 - 901
Ultraviolet coloration of avian parasitic egg does not cue egg rejection in the common redstart host Marcel HonzaMiroslav CapekPeter Samaš Original Article 20 July 2022 Pages: 903 - 909
Evidence of nest abandonment in Grass Wrens Cistothorus platensis suggest that non-breeding nests are not structures that differ in function from breeding nest Paulo E. LlambíasMaría M. JefferiesRamiro S. Arrieta Original Article 27 June 2022 Pages: 911 - 921
Does microhabitat use affect population differentiation? A test with southwestern Palaearctic forest birds Adrián TalaveraJosé Luis Tellería Original Article Open access 21 June 2022 Pages: 923 - 929
First steps to success: identification of divergence among the northern and the southern lineages of African Pygmy Kingfisher (Ispidina picta) (Coraciiformes: Alcedinidae) Desiré L. DaltonLisa J. NupenSamuel T. Osinubi Original Article 14 June 2022 Pages: 931 - 943
First genetic data for the critically endangered Cuban endemic Zapata Rail Cyanolimnas cerverai, and the taxonomic implications Alex F. BrownYvonne LawrieMartin Stervander Original Article Open access 08 July 2022 Pages: 945 - 952
Hitting all the notes: Connecticut warblers sing an extended song type Kaitlyn PlastinoKevin C. HannahJennifer R. Foote Original Article 12 July 2022 Pages: 953 - 966
No evidence for potential sexual information from a monochromatic carotenoid trait in a dichromatic woodpecker species Adrian SurmackiPiotr ZduniakŁukasz Myczko Original Article 03 July 2022 Pages: 967 - 975
Back to the future: does previously grown ornamental colouration in male House Finches reveal mate quality at the time of pair formation? Kathryn N. DePintoKevin J. McGraw Original Article 15 June 2022 Pages: 977 - 985
An unexpected age-related pattern in feather growth contributes to age-dependent ornament expression in a passerine bird Marie AdámkováOldřich TomášekTomáš Albrecht Original Article 25 May 2022 Pages: 987 - 996
Two central rectrices: a temporal fingerprint for individual recognition of barred woodpeckers Elisa Maya-ElizarrarásEnrique Ramírez-GarcíaKatherine Renton Original Article 03 July 2022 Pages: 997 - 1011
Neckband loss and its effect on apparent survival estimates in Greylag Geese (Anser anser): variation with season, sex and age Kees H. T. SchrevenBerend Voslamber Original Article Open access 11 June 2022 Pages: 1013 - 1024
Prevalence of gastrointestinal parasites in a lowland Black Grouse population in Central Europe Egbert StraussClaudia MaistrelliUrsula Siebert Original Article Open access 01 August 2022 Pages: 1025 - 1037
Unusual pattern of skipped or shortened moulting of flight feathers in late-breeding Common Shelducks Dagmar S. CimiottiHermann HötkerStefan Garthe Short Communication Open access 23 June 2022 Pages: 1039 - 1043
First insights into migration routes and nonbreeding sites used by Red-rumped Swallows (Cecropis daurica rufula) breeding in the Iberian Peninsula Joanna B. WongFrancina TuronSteffen Hahn Short Communication Open access 06 August 2022 Pages: 1045 - 1049