1. Putting the energetic-savings hypothesis underground: fossoriality does not affect metabolic rates in amphibians

   • Danilo Giacometti
   • Glenn J. Tattersall

   Research 09 August 2023 Pages: 761 - 777

   

2. Island colonisation leads to rapid behavioural and morphological divergence in Anolis lizards

   • Daniel J. Nicholson
   • Robert J. Knell
   • Michael L. Logan

   Original Paper 26 June 2023 Pages: 779 - 795

   

3. Relationships between vocalization characteristics and sperm traits in a neotropical treefrog

   • Pedro Lopes Aguiar
   • Stefan Lüpold
   • Renato Christensen Nali

   Original Paper 26 July 2023 Pages: 797 - 813

   

4. Conserved worker policing in African carpenter ants with drastically different egg chemotypes

   • Jan Buellesbach
   • Janina Rinke
   • Ulrich R. Ernst

   Original Paper Open access 14 June 2023 Pages: 815 - 834

   

5. Effect of rearing density on the expression of fitness-related traits in male sand field crickets (Gryllus firmus)

   • Clint D. Kelly
   • Valerie L’Heureux
   • Denis Réale

   Original Paper 09 August 2023 Pages: 835 - 846

   

6. Catching the red eye: field evidence that artificial prey with red eye-like markings are preferentially avoided by avian predators

   • Karl Loeffler-Henry
   • Thomas N. Sherratt

   Natural History Note 01 September 2023 Pages: 847 - 857

   

7. Nest Integration: a novel form of food acquisition by altricial fledglings

   • Facundo Fernandez-Duque
   • Erika Y. Huerta
   • Mark E. Hauber

   Natural History Notes 14 August 2023 Pages: 859 - 869