| reproductive performance in female common hamsters. | we monitored individual reproductive timing and output in a common hamster population in vienna over a 3-year period. animals were live-trapped, weighed, individually marked, and reproductive status was determined at capture. costs of reproduction were investigated by measuring body condition shortly before hibernation and overwinter survival. our results indicated that early emerging females had more litters and weaned more offspring per season. body mass throughout the active season did not di ... | 2008 | 18023565 |