During the 14 years the pair produced 10 young, all of which survived the first year.
One pair of the African birds may produce 30 to 100 eggs annually for 40 years.
These three pairs produce combinations of colors for us through the opponent process.
This relationship lasted about a year and together the pair produced puppies which were looked after by the women of the camp.
Never did a strong pair produce a weak child, only to have the power reappear in the next generation.
The pair produced the album as a side project alongside each of their independent careers.
The pair produced five offspring but none lived more than five days.
The pair finally found an attractive design and produced a mould.
The idea is that a so-called public key pair produces, or consists of, two different keys.
The pair had produced a short documentary film the previous year and wanted to expand on the project.