Weaning in the guinea pig ( Cavia aperea f. porcellus ): Who decides and by what measure?
The cost of success: reproductive effort in male southern elephant seals ( Mirounga leonina )
Chemical ornaments of male lizards Psammodromus algirus may reveal their parasite load and health state to females
Pups crying bass: vocal adaptation for avoidance of age-dependent predation risk in ground squirrels?
Conservative maternal care in an iteroparous mammal: a resource allocation experiment
Extra-pair paternity and the evolution of testis size in a behaviorally monogamous tropical mammal, the large treeshrew ( Tupaia tana )
Reproductive plasticity in bumblebee workers ( Bombus terrestris )—reversion from fertility to sterility under queen influence
Prior experience with eggs laid by non-nestmate queens induces egg acceptance errors in ant workers
Low queen mating frequency in the seed-harvester ant Pogonomyrmex ( Ephebomyrmex ) pima : implications for the evolution of polyandry
Heritable and experiential effects on boldness in a tropical poeciliid
Evolution of male dimorphic allometry in a population of the Japanese horned beetle Trypoxylus dichotomus septentrionalis
Exogenous testosterone increases female aggression in the European starling ( Sturnus vulgaris )
Food sharing among retaliators: sequential arrivals and information asymmetries
Habitat-specific chemical cues influence association preferences and shoal cohesion in fish
Copulatory plugs do not assure high first male fertilisation success: sperm displacement in a lizard
Emergence of increased division of labor as a function of group size