1. A message from new editor-in-chief

   • Takeshi Takegaki

   Editorial 01 December 2022 Pages: 1 - 1

2. 2022 editor’s choice award and editor’s choice articles

   • Kensuke Nakata

   Announcement 14 December 2022 Pages: 3 - 4

3. Stone handling in geladas (Theropithecus gelada): implications for spontaneous drawing-like activity as a playful behavior

   • Virginia Pallante
   • Achim Johann
   • Elisabetta Palagi

   Video Article Open access 07 November 2022 Pages: 5 - 13

   

4. European badger's mating activities associated with moon phase

   • Stanislava Peeva
   • Evgeniy Raichev
   • Yayoi Kaneko

   Article 16 September 2022 Pages: 15 - 24

   

5. Agonistic behavior and feeding competition in the largest piranha species, Pygocentrus piraya, in a zoo

   • Ronald G. Oldfield
   • Josie E. Thal
   • Jason D. Wark

   Article 30 October 2022 Pages: 25 - 37

   

6. Great tits alter incubation behaviour in noisy environments

   • Riin Viigipuu
   • Marko Mägi
   • Vallo Tilgar

   Article 21 October 2022 Pages: 39 - 46

   

7. Small-scale migratory behavior of three facultative soaring raptors approaching a water body: a radar study investigating the effect of weather, topography and flock size

   • Gianpasquale Chiatante
   • Michele Panuccio
   • Nicolantonio Agostini

   Article 11 November 2022 Pages: 47 - 57

   

8. Optimal pit site selection in antlion larvae: the relationship between prey availability and pit maintenance costs

   • Taka Hayashi
   • Kina Hayashi
   • Fumio Hayashi

   Article Open access 10 November 2022 Pages: 59 - 72

   

9. Comparison of mortality and feeding behavior of the false cleanerfish Aspidontus taeniatus and the lance blenny A. dussumieri regarding the effects of mimicry

   • Tetsuo Kuwamura
   • Hajime Sato
   • Yoichi Sakai

   Article 15 November 2022 Pages: 73 - 77

   

10. Ants’ capability of associating odors with time periods of the day

    • Marie-Claire Cammaerts
    • Roger Cammaerts

    Article 11 December 2022 Pages: 79 - 89

    

11. Effect of artificial light on activity in frugivorous bats (Pteropodidae)

    • Baheerathan Murugavel
    • Anbalagan Rathinakumar
    • Hema Somanathan

    Article 24 November 2022 Pages: 91 - 101

    

12. Correction to: Encounter with heavier females changes courtship and fighting efforts of male field crickets Gryllus bimaculatus (Orthoptera: Gryllidae)

    • Takashi Kuriwada

    Correction Open access 08 December 2022 Pages: 103 - 103

13. Correction: Lack of discrimination of sex and maturity of conspecifics in the copulation attempts of the male stalk-eyed fly, Sphyracephala detrahens (Diptera: Diopsidae)

    • Ayumi Kudo
    • Takeshi Fujii
    • Yukio Ishikawa

    Correction Open access 14 December 2022 Pages: 105 - 105

14. Correction: Cooperative den maintenance between male Japanese badgers that are delayed dispersers and their mothers

    • Hiroshi Tanaka
    • Yukihiro Fukuda
    • Wataru Kojima

    Correction Open access 15 December 2022 Pages: 107 - 107

15. Correction: Reddish male swallows have short sperm

    • Masaru Hasegawa
    • Emi Arai
    • Masahiko Nakamura

    Correction Open access 10 December 2022 Pages: 109 - 109