Mating behaviour: promiscuous mothers have healthier young.
A small marsupial has thrown new light on the question of why females typically mate with several males: promiscuous female antechinuses have many more surviving offspring because males that are successful in sperm competition also sire healthy offspring.
Edvardsson
Martin
M
Centre for Ecology and Conservation, University of Exeter, Cornwall Campus, Penryn, Cornwall TR10 9EZ, UK. T.Tregenza@exeter.ac.uk
Champion de Crespigny
Fleur E
FE
Tregenza
Tom
T
D000818:Animals; D000833:Animals, Suckling; D005260:Female; D008297:Male; D008394:Marsupialia / Q000502:physiology*; D009099:Multiple Birth Offspring; D011247:Pregnancy; D012098:Reproduction / Q000502:physiology*; D012726:Sexual Behavior, Animal / Q000502:physiology*; D013094:Spermatozoa / Q000502:physiology; D016019:Survival Analysis