Insulin-like growth factor 1 is related to the expression of plumage traits in a passerine species Katharina MahrOrsolya VinczeÁdám Z. Lendvai Original Article Open access 10 March 2020 Article: 39
Similarity at the major histocompatibility complex class II does not influence mating patterns in bluegill (Lepomis macrochirus) Lucas SilveiraShawn R. GarnerBryan D. Neff Original Article 10 March 2020 Article: 38
Great tit responses to the calls of an unfamiliar species suggest conserved perception of call ordering Mylène DutourToshitaka N. SuzukiDavid Wheatcroft Original Article 10 March 2020 Article: 37
Older males are more competitive in male fights and more aggressive toward females in the broad-horned flour beetle Gnatocerus cornutus Kensuke OkadaMasako KatsukiYasukazu Okada Original Article 05 March 2020 Article: 36
Queen loss changes behavior and increases longevity in a stingless bee Bárbara dos Santos Conceição LopesAlistair John CampbellFelipe Andrés León Contrera Original Article 05 March 2020 Article: 35
Do female rainbow kribs choose males on the basis of their apparent aggression and boldness? A non-correlational mate choice study Ulrike SchererJean-Guy J. GodinWiebke Schuett Original Article Open access 03 March 2020 Article: 34
Queen honey bee (Apis mellifera) pheromone and reproductive behavior are affected by pesticide exposure during development Elizabeth M. WalshStephen SweetJuliana Rangel Featured Student Research Paper 26 February 2020 Article: 33
Habitat-based isolating barriers are not strong in the speciation of ecologically divergent squirrels (Tamiasciurus douglasii and T. hudsonicus) Alexander T. FotisSahil PatelAndreas S. Chavez Original Article 20 February 2020 Article: 32
Proactive common waxbills make fewer mistakes in a cognitive assay, the detour-reaching task Ana Cristina R. GomesSoraia GuerraGonçalo C. Cardoso Original Article 20 February 2020 Article: 31
The effect of offspring value on variation of nest defense intensity in gray catbirds (Dumetella carolinensis) Lucas J. RedmondCraig ErohDominique Varra Original Article Open access 20 February 2020 Article: 30
Consequences of experimental addition of fresh, aromatic plants into nests of blue tits (Cyanistes caeruleus) on the physiological condition of nestlings Michał GlądalskiMirosława BańburaJerzy Bańbura Original Article Open access 12 February 2020 Article: 29
