Total annual mortality of adult yellow perch has not changed since cormorant colonization.

It takes it two years to reach sexual maturity, and annual mortality has been measured at over 80 percent.

In areas that have been hit by an iceberg, its annual mortality rises to over 98 percent.

Total annual mortality in England, Wales and Scotland hovers around the 630,000 mark.

Green and Flinders reported a maximum estimated annual adult mortality of 88% in Idaho.

In the more normal years after 1870 annual mortality from disease was about one per cent.

This indicates an annual mortality from asthma of just over 1/100000.

The mean generation length is 4.2 years, with males having an average 7-8 year, and females an 11-12 year, lifespan, with annual mortality of 30-40%.

The average annual mortality for adults nesting in the Western Palaearctic is 40-60%, with most deaths outside the breeding season.

These showed an average annual mortality of four deaths per year for the 10 years as a whole.