The Wake Forest University News Service recently published this news story written by Bonnie Davis on the research work of Dr. Matt Fuxjager.
“Partners will actually coordinate or cooperate with how they fight depending on who they are fighting. They size up their opponent and decide whether they need to work together,” Fuxjager said. “In short, it means an intruder woodpecker with a short drum is perceived as wimpier, while a long drum signifies a tough guy intruder.” — Matt Fuxjager
http://news.wfu.edu/2016/03/04/woodpecker-drumming-signals-wimp-or-warrior/
Find more like this: Avian Biology, Behavior, Matt Fuxjager, Research, undergraduate