Higher oxygen content and transport characterize high-altitude ethnic Tibetan women with the highest lifetime reproductive success
Personality traits in geese linked to love match and reproductive success
Reproductive success improves after a single generation in the wild for descendants of some hatchery-origin Chinook salmon
Shark ecotourism may increase the likelihood of whale sharks exhibiting behaviour patterns associated with fleeing predators, which may make it harder for them to forage and possibly affect reproductive success.