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.
Temporal changes in date of laying of first clutch of the spring by individually recognized female Mexican jays in the Chiricahua Mountains, AZ. Each point represents the first laying date of the year for one female (date = 141.7663 − 0.03712 year).
