Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
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A lock (
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connected to the .gov website. Share sensitive
information only on official, secure websites.
Average frequency of occurrence of each calling activity (described in Table 1) immediately before the copulation attempts. Failed attempts by Unsuccessful individuals (UA), Failed attempts by Successful individuals (FA), Successful attempts (ending in copulation) (SA). High quality figures are available online.
