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Today is October 24, 2021

Turkey gobbling activity is related to the weather

By Bonnie A. Coblentz

Turkey gobbling activity is related to the weather

It seems that wild turkeys don’t like humidity any more than people do.

That is a finding of a study conducted by the MSU Forest and Wildlife Research Center, or FWRC, in response to concerns that Mississippi’s turkey season was not timed properly.

MSU supports turkeys and turkey hunting in a variety of ways, including through publications and land management workshops offered by the Extension Service.

Setting hunting seasons is the responsibility of the Mississippi Department of Wildlife, Fisheries, and Parks, or MDWFP. This agency has traditionally instituted a statewide, 7-week, spring harvest season for turkeys. Hunters routinely argue that there are different peaks in gobbling activity across the state, meaning the season should open and close at different times in different parts of Mississippi.

Francisco Vilella, an FWRC adjunct professor and scientist with the U.S. Geological Survey Cooperative Fish and Wildlife Research Unit, said turkey hunters in the southern part of the state thought the season began after peak gobbling activity ended. Hunters in north Mississippi thought the season began too early before turkeys began their ritual vocalizations and courtships. Gobbling is an activity of toms — adult male turkeys.

“The objective of this study was to determine whether differences in peak gobbling activity existed across a latitudinal gradient of Mississippi,” Vilella said.

The data suggested that weather influences gobbling activity, and the existing hunting season covers peak times of turkey activity across the state.

“Across the globe, natural-resource managers strive to understand the effects of weather on wildlife populations to implement effective conservation and game species management,” Vilella said. “Weather has been recognized as a density-independent factor influencing the abundance, distribution, and behavior of vertebrates.”

Vilella said the MSU data indicated that no changes were required to the hunting season framework established by MDWFP. While turkeys have different peaks at the geographic ends of the state, both peaks are captured by the hunting season.

In 2021, the fall general turkey hunting season extends from Oct. 15 to Nov. 15 in certain counties. The spring general season was March 15 to May 1.

Matthew Palumbo of Lackawanna, New York, took on this study for his graduate research project. Palumbo earned a master’s degree in wildlife and fisheries science in 2010 from MSU.

“Data were collected from a statewide gobbling survey in 2008 and 2009 that monitored gobbling activity a month prior to the hunting season, throughout the season, and a month after the season,” he said.

The researchers applied mathematical models to describe the probability and frequency of gobbling activity within northern and southern regions of the state.

“Our results revealed an approximate 10- to 14-day difference in peak gobbling activity between southern and northern Mississippi, but those peaks occurred during hunting season,” Palumbo said.

Dry conditions played a major factor in gobbling activity.

“Perhaps more importantly for hunters trying to better understand when toms vocalize more often in the spring, gobbling activity was more prevalent on less humid days,” Palumbo said.


Bonnie A. Coblentz is a writer/editor for the Mississippi State University Extension Service.

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