Fig. 1.
Effects of maternal and paternal age on clutch size. Plotted are predicted values fitted by the interaction between maternal and paternal ages, with ages 3+ representing individuals three years of age and older.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.