Sperm size is negatively related to relative testis size in West African riverine cichlid fishes Kathrin LangenTimo ThünkenTheo C. M. Bakker Original Paper 30 May 2019 Article: 30
Hair cortisol concentration in Siberian flying squirrels is unrelated to landscape and social factors Andrea SantangeliRalf WistbackaAura Raulo Original Paper Open access 29 May 2019 Article: 29
Frequent nocturnal torpor in a free-ranging Australian honeyeater, the noisy miner Fritz Geiser Original Paper 27 May 2019 Article: 28
Soft-bodied fossils from the upper Valongo Formation (Middle Ordovician: Dapingian-Darriwilian) of northern Portugal Julien KimmigHelena CoutoBruce S. Lieberman Original Paper 25 May 2019 Article: 27
Changes in prolactin, cortisol and testosterone concentrations during queen succession in a colony of naked mole-rats (Heterocephalus glaber): a case study Katarina MedgerNigel C. BennettDaniel W. Hart Original Paper 14 May 2019 Article: 26
Plant origin authentication of Sonoran Desert propolis: an antiproliferative propolis from a semi-arid region Efrain AldayDora ValenciaCarlos Velazquez Original Paper 08 May 2019 Article: 25
More than just the numbers—contrasting response of snake erythrocytes to thermal acclimation Stanisław BuryAgata BuryUlf Bauchinger Short Communication 08 May 2019 Article: 24
First come, first served: precopulatory mate-guarding behavior and male–male contests by a hymenopteran saproxylic parasitoid Kazumu KuramitsuThitaree YooboonTomoyuki Yokoi Original Paper 08 May 2019 Article: 23
Type of fixative solution in pitfall traps as a decisive factor affecting community parameters of Collembola (Hexapoda) inhabiting superficial subterranean habitats Nikola JurekováNatália RaschmanováJana Christophoryová Original Paper 30 April 2019 Article: 21
Ant species richness and interactions in canopies of two distinct successional stages in a tropical dry forest Reuber AntoniazziRaphael N. S. L. GarroFrederico S. Neves Original Paper 30 April 2019 Article: 20
Integrative evidence confirms new endemic island frogs and transmarine dispersal of amphibians between Madagascar and Mayotte (Comoros archipelago) Frank GlawOliver HawlitschekMiguel Vences Original Paper 26 April 2019 Article: 19
Identification of the aggregation-sex pheromone of Plagionotus arcuatus ssp. arcuatus (Coleoptera: Cerambycidae) from two geographically separated European populations Zoltán ImreiMikael A. MolanderMattias C. Larsson Original Paper Open access 26 April 2019 Article: 18
First report of luminous stimuli eliciting sound production in weevils Carol L. BedoyaXimena J. NelsonEckehard G. Brockerhoff Short Communication 24 April 2019 Article: 17
Human behavior and Homo-mammal interactions at the first European peopling: new evidence from the Pirro Nord site (Apricena, Southern Italy) Razika Chelli ChehebMarta ArzarelloGabriele L. F. Berruti Original Paper 22 April 2019 Article: 16
Reproductive interference by alien hornet Vespa velutina threatens the native populations of Vespa simillima in Japan Kazuhisa YamasakiRyoichi TakahashiJun-ichi Takahashi Short Communication 13 April 2019 Article: 15
Berberis sawfly contains toxic peptides not only at larval stage Jean-Luc BoevéRaoul Rozenberg Short Communication 08 April 2019 Article: 14
The Late Pleistocene European badger Meles meles from Grotta Laceduzza (Brindisi, Apulia, Southern Italy): the analysis of the morphological and biometric variability Beniamino MecozziDonato CoppolaAnna M. De Marinis Original Paper 03 April 2019 Article: 13
