The Norman Transcript

Features

April 26, 2013

Remove predators prior to fawning

(Continued)

NORMAN —

While the trapping season for furbearers such as bobcats and raccoons ended Feb. 28, coyotes and feral hogs are always in season. Thus, April is a great month to get out and do some trapping prior to does giving birth next month.

Several research studies have been conducted to examine the impact predators have on fawn recruitment. One study by Cory Vangild, under the guidance of University of Georgia professor Dr. Karl Miller, to conduct intensive predator removal prior to the 2007 fawning season to limit predation showed a dramatic increase in fawn survival.

Comparison of white-tailed deer fawn-to-doe ratios collected from observation data, camera surveys and web camera observations before and after predators were removed increased on average 189 percent after predator removal.

The study showed increases in fawn recruitment following predator removal, coupled with dietary analyses of the most likely deer predators (coyotes and bobcats), supported the conclusion that predators (primarily coyotes) were limiting fawn recruitment.

Results of this study also showed that in seasonal diets of coyotes and bobcats, coyotes consumed deer significantly more than bobcats, particularly during the fawning season.

Results suggest predation, particularly by coyotes, may reduce recruitment in some areas and that intensive predator removal just prior to fawning may be effective at increasing fawn recruitment in areas herd productivity does not meet management objectives.

If you believe fawn recruitment in your area is abnormally low and you are doing “everything else” management-wise by the book, perhaps you should consider trapping and removing coyotes prior to the fawning season. This is a great off-season activity to get kids involved with the outdoors, not to mention the benefit other game species like turkey and quail receive as a result of predator removal.

If you would like to involve a professional trapper, contact your local USDA Animal and Plant Health Inspection Service specialist.

More information can be found at aphis.usda.

gov.

For more information regarding deer and land management, visit oces.okstate.edu/

cleveland/agriculture/

wildlife-management-1.

Heath Herje is an agriculture educator with Cleveland County Cooperative Extension service.

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