Content tagged "feral hog biology"

Quick Facts on Feral Hogs

Wildlife Damage Management Feral Hogs Updated: October 10, 2014

Feral hog numbers are on the rise in the United States.  Likewise the problems they cause are also growing.  With attention on this invasive species, many...

What is the average number of feral hog offspring per litter and how often can they breed?

Feral Hogs Updated: November 07, 2013

Feral hog females on average have about 5 offspring per litter. Sows probably average one litter per year. Young females do not typically have their first...

Rooting Behavior of Feral Hogs

Feral Hogs Updated: September 25, 2013

One of the more destructive habits of feral hogs is their rooting behavior.  Feral hogs root to obtain food.  Rooting breaks up and loosens the surface and...

Feral Hog Behavior

Wildlife Damage Management Feral Hogs Updated: October 09, 2012

The behavior of feral hogs (also called wild hogs and wild pigs; Sus scrofa) is unique among native and introduced hoofed big game in the United States....

Food Habits of Feral Hogs

Wildlife Damage Management Feral Hogs Updated: October 09, 2012

Feral hogs (also called wild hogs or wild pigs; Sus scrofa) are omnivorous and very opportunistic in their food habits.  Their feeding behavior is one of the...

What kinds of feral hogs are found in the United States?

Feral Hogs Updated: May 23, 2012

All of the feral hogs (wild pigs) found in the United States belong to the same genus and species, Sus scrofa.  Two types of Sus scrofa, Eurasian wild boar...

How many litters can a sow (female) feral hog have in a year?

Feral Hogs Updated: May 16, 2012

A mature sow can have one to two litters per year. 

How large do feral hogs get?

Feral Hogs Updated: May 16, 2012

The average adult body weight of a feral hog is approximately 180 lb.  Males are slightly bigger, with the comparable body weights for adults of each sex as...

Why are feral hog populations expanding?

Feral Hogs Updated: May 16, 2012

Feral hogs are expanding their range because of high reproductive output and wide variety of suitable habitats available to them.  Additionally, only a few...

Feral Hog Reproductive Biology

Feral Hogs Updated: May 16, 2012

Feral hogs (also called wild hogs; Sus scrofa) are characterized by high reproductive potential, with a young age at puberty, large litters, and frequent...

Physical Characteristics of Feral Hogs

Feral Hogs Updated: May 16, 2012

 The introduced feral hogs (also called wild hogs; Sus scrofa) in the United States exhibit a broad range of physical characteristics.  To a large part, this...

Feral Hog Population Biology

Feral Hogs Updated: May 16, 2012

The population biology of feral hogs (also called wild hogs; Sus scrofa) is unique among most large mammals, in that these animals have a high reproductive...

Natural Predators of Feral Hogs

Feral Hogs Updated: May 16, 2012

Feral hogs (also called wild hog; Sus scrofa) are preyed on by several natural (that is, nonhuman) species of carnivores and omnivores in the United States. ...

Feral Hog Tusk Characteristics

Feral Hogs Updated: May 16, 2012

The tusks of feral hogs (also called wild hogs; Sus scrofa) have long been a physical feature of these animals that has garnered significant interest from...

Coat Coloration in Feral Hogs

Feral Hogs Updated: May 16, 2012

The coat coloration patterns observed among populations of feral hogs (also called wild hogs; Sus scrofa) are extremely diverse (Fig. 1).  Much of this...

Shoulder Shields in Feral Hogs

Feral Hogs Updated: May 16, 2012

Sexually-mature male feral hogs (also called wild hogs; Sus scrofa) possess a thickened subcutaneous layer of tissue, commonly referred to as the “shield” or...

“Mule-Footed” Feral Hogs

Feral Hogs Updated: May 16, 2012

One uncommon feature that has been reported in feral hogs (also called wild hogs; Sus scrofa) is the presence of syndactylous or “mule-footed” hooves.  The...

Neck Wattles in Feral Hogs

Feral Hogs Updated: May 16, 2012

Similar to “mule-footed” hooves (Mule-Footed Feral Hogs), neck wattles are uncommon physical features that have been reported in feral hogs (also called wild...

Why do feral hogs rub on trees?

Feral Hogs Updated: October 19, 2011

Feral hogs will rub on trees, fence posts, utility poles, and other objects in an effort to control external parasites. These are called rubs and are not...

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.