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Northern Bobwhites Colinus virginianus are probably the most well-known species of quail in Texas. Their distinct callwhich announces their name and attraction by hunters and photographers alike, make the Northern Bobwhite a sought after upland gamebird species. However, in Texasbobwhites can be found statewide, with minor populations occurring in the Trans-Pecos eco-region.

Lack of adequate rainfall is thought to limit the quail movement further west. The bobwhite has been found in all 10 eco-regions of Texas but their actual populations in each area fluctuate based on a of factors, including climatic and habitat conditions.

Bobwhite prefer habitat that includes bare ground, herbaceous cover, and woody cover. Bare ground allows for the foraging of seeds, herbaceous cover provides overhead concealment and loafing cover for resting, and woody cover protects against predators and the Texas heat. Bobwhites seem to prefer more open ground and less grass cover in areas of high precipitation while favoring the opposite where lower precipitation occurs. Known for their calls, bobwhites are very social and remain with a covey, or group of quail, for the duration of their lives.

Males, or cocks, issue the breeding call around March through June, but have been heard during the nonbreeding season as well. Like other New World species, the Northern bobwhite has a shorter neck, tail and wings. They exhibit a distinct color pattern of black, white and brown, with males displaying a white stripe near the eyes and throat and females showing a lighter brown brow stripe and throat. Both sexes have a tufted crest on their he and use this feature to attract a mate or in the case of males, showcase masculinity around other males.

Because of their short wings, Northern bobwhite prefer to spend more time on the ground and only tend to take flight when disturbed, but the flight distance is short. In preparation for the breeding season, coveys in Texas will breakup around February or March and form individual pairs by mid-March and April. To attract a mate, males offer lateral displays and bowing while females prefer wing quivering and presentation.

Recent research suggests that bobwhites are polygamous, or mate with several partners. The nesting season in Texas lasts from mid-April to early October, with peaks during the summer months. This season is heavily affected by weather, where intense heat and drought shorten nesting while extended rainfall and cooler weather lengthen it. Nests are prepared on the ground with the necessary amount of cover to protect all sides from predators. Bunchgrasses provide ample cover and consist of bluestems, threeawns, balsamscales, and lovegrasses.

Depending on the eco-region, forbs, shrubs, sand sagebrush, and prickly pear cactus are the preferred nesting cover. Female hens then lay their eggs within days of nest completion until the entire clutch is delivered, usually about eggs. Quail eggs are white and oval shaped, like a guitar pick, and slightly larger than a silver dollar. The females then incubate the eggs for approximately 23 days. The survival rate of the nest varies due to depredation, or predator attacks, abandonment, human activities farming, interferenceand weather.

Once hatched, bobwhite chicks are brooded by the female until adequate down, or fur, appears, usually around 3 to 5 weeks. These juvenile bobwhites are precocial, or capable of moving independently but still require parental care, and become mature adults by 15 weeks old.

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The Northern bobwhite is granivorous, or seed eating, and prefers to consume seeds found on forbs and grasses during the fall and winter months. Important forbs include Engelmann daisy, western ragweed, croton, sunflower, and legumes such as snoutbeans and bundleflowers. Hard-seeded grasses such as bristlegrasses, panicums, and paspalums are also important. Mast producing shrubs include agaritochittam, mesquite, and hackberry. Insects such as grasshoppers, beetles, crickets, ants, termites, and spiders are favorites of bobwhites as they are both a source of protein and preformed water.

A quick way to estimate the amount of suitable Bobwhite nesting cover in an area. The average lifespan of the bobwhite is about 6 months and under ideal conditions, bobwhites can survive up to five years in the wild. All of the influences that lead to bobwhite declines must be considered to completely understand the roles played in the alarming decline of quail in Texas. First, the high-mortality rate during nesting is due to changes in habitat conditions which can be influenced by a myriad of both direct and indirect factors.

Direct factors can include habitat fragmentation, conversion of native pastures into introduced grasses, poor grazing managementagricultural cultivation and nest depredation by coyotes, raccoons, striped skunks, and snakes. Indirect factors are primarily related to climatic conditions such as temperature and precipitation. Click to Enlarge This graph shows the relationship between rainfall and adult-to-juvenile ratios of bobwhite quail in south Texas. The data represented suggests that rainfall can be an indicator of bobwhite quail production in south Texas.

For additional background on this data, consult Tri et al. Once the chicks grow new predators arrive. Last, the human influence of harvest is considered to be somewhat additive to the other factors that lead to bobwhite mortality, thus increasing the mortality rates of bobwhites across the population.

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However, bobwhites can be harvested at sustainable levels which range between 30 to 40 percent of the annual estimated population. The conversion of prairies, savanna, shrubland and woodlands to commercial and residential uses, cropland cultivation, and overgrazing have all greatly decreased the amount of lands viewed as sustainable for bobwhites.

Recognition of and a consolidated effort towards a positive change by private landowners, commercial industries and wildlife managers is required before the Northern bobwhite can begin to see an increase in population. Even small changes now can lead to larger changes in the future for the quail of Texas. Hernandez, F. Northern bobwhite ecology and life history. s in L. Brennan, editor, Texas Quails: Ecology and Management.

Tri, A. Impacts of weather on northern bobwhite sex ratios, body mass, and annual production in south Texas. Journal of Wildlife Management Quail Associates Program, Richard M. Kleberg, Jr. Map: Sauer, J. Hines, J.

Fallon, K. Pardieck, D. Ziolkowski, Jr. Version NR On Bobwhites. B Counting Quail. Where Have All the Quail Gone? Managing Bobwhite Quail in South Texas. B Harvesting Rainwater for Wildlife. Texas Natural Resources Server. Texas Parks and Wildlife. National Bobwhite Conservation Initiative. Richard M. Center for Quail Research. Texas Tech University.

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University of North Texas Quail. Male Northern Bobwhite in flowers, Texas. A group of quail is called a covey. Raccoon in quail nest.

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Northern Bobwhites