What is the difference between the total number of California condors in 1982 and the total population in 2016?

The California Condor is on the verge of extinction. There were three individuals, all males, known to be living free in late 1986. That was a drop from fifteen wild birds (including five breeding pairs) known to have been present in 1984. Twenty-one condors were also alive in captivity toward the end of 1986.

Explanation:

answer seismograph;