If two out of every five of their nests are successful, pheasants have had an extremely favorable spring and summer. Only a third to a fourth of the nests customarily hatch. And out of the nests that succeed, ah average of five of the little pheasants die before they reach shooting age.
Baskett, Thomas S.
"Pheasants Take the Blitz,"
Farm Science Reporter: Vol. 3
, Article 7.
Available at: http://lib.dr.iastate.edu/farmsciencereporter/vol3/iss4/7