Bird song and parasites
Predator choice in the field; grouping guppies, Poecilia reticulata , receive more attacks
Towards an ecological solution to the folivore paradox: patch depletion as an indicator of within-group scramble competition in red colobus monkeys ( Piliocolobus tephrosceles )
Kin-related spatial structure in brown bears Ursus arctos
Effects of food availability on dispersal and cub sex ratio in the Mednyi Arctic fox
Experimental assessment of ecological and phenotypic factors affecting male mating success and polyandry in northern watersnakes, Nerodia sipedon
Division of labour and worker size polymorphism in ant colonies: the impact of social and genetic factors
Parasitism in a social wasp: effect of gregarines on foraging behavior, colony productivity, and adult mortality
Global optimization from suboptimal parts: foraging sensu lato by leaf-cutting ants
Piercing the partner's skin influences sperm uptake in the earthworm Lumbricus terrestris
Exposure to variable spatial information in the early rearing environment generates asymmetries in social interactions in cod ( Gadus morhua )
Pursuit-deterrent communication between prey animals and timber rattlesnakes ( Crotalus horridus ): the response of snakes to harassment displays
A cost worth paying: energetically expensive interactions with males protect females from intrasexual aggression
Reproductive decision-making in semelparous colonies of the bumblebee bombus terrestris
Retinue attraction and ovary activation: responses of wild type and anarchistic honey bees ( Apis mellifera ) to queen and brood pheromones
Small queens in the ant Ectatomma tuberculatum : a new case of social parasitism
Males in the shade: habitat use and sexual segregation in the Galápagos sea lion ( Zalophus californianus wollebaeki )
Navigational strategies of homing pigeons at familiar sites: do landmarks reduce the deflections induced by clock-shifting?
Experimentally manipulated brood sex ratios: growth and survival in the black-headed gull ( Larus ridibundus ), a sexually dimorphic species
Defensive behavior of ants in a mutualistic relationship with aphids
Neighbor-stranger discrimination in Audubon's shearwater ( Puffinus l. lherminieri ) explained by a “real enemy” effect