The average lifespan of a harbor seal in the wild is around 20-30 years.
However, there are some factors that can influence an individual seal's lifespan, including:
* Predation: Harbor seals are prey for larger marine animals like sharks, orcas, and polar bears.
* Disease: Like all animals, harbor seals can suffer from diseases that may shorten their lifespan.
* Environmental factors: Habitat degradation, pollution, and climate change can impact their health and survival.
* Human interaction: Fishing gear entanglement and hunting can also contribute to mortality.
It's important to note that there is no scientific basis for claiming one sex lives longer than the other. The lifespan of harbor seals is primarily influenced by environmental and biological factors, not gender.