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.
(A) Percentage of chicks approaching one end of the runway as their first choice between video recordings of a large group vs. a small group of chicks. Asterisks denote a choice significantly different from random choice. (B) Latency of the first choice (physical contact with the screen, mean ± s.e.m). (C) Time spent at each end of the runway (mean ± s.e.m). Asterisk denotes significant difference between the times spent in the proximity of the two screens.
