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Northern Bobwhite Life History


GrasslandsNorthern Bobwhites are year-round residents in open habitats of southeastern North America. They live in agricultural fields, grasslands, open pine or pine-hardwood forests, and grass-brush rangelands as far north as Massachusetts and southern Ontario, and as far west as southeastern Wyoming and eastern New Mexico. They seem to avoid mature woodlands, inhabiting instead the early stages of regrowth after a fire, farming, logging, or other disturbance. They are most numerous in patchwork areas of fields, forests, and croplands; in coastal Texas rangelands; and in southern pine forests that are intensively managed for bobwhite hunting. During snowfalls in the northern part of their range, bobwhites depend on woody cover to prevent snow from reaching the ground and blocking their foraging habitat.Back to top


PlantsBobwhites eat mostly seeds and leaves, supplemented with varying amounts of insects during the breeding season. Chicks are fed mostly insects until they are 6–8 weeks old. Arthropods can make up 5 percent of the male’s diet and 20 percent of the female’s diet during the breeding season. Bobwhites forage as a group, scratching and pecking through leaf litter or foraging on low plants. When snow falls they seek out patches of bare ground under brushy areas. Their staple food of seeds comes from agricultural crops, weeds, forest plants, and rangeland vegetation. During fall and winter they eat many legume seeds, ragweed seeds, pine seeds, and acorns. In the spring they eat more leafy green parts of plants, and in the summer their diet includes grass seeds, some fruits, and arthropods—such as bugs, flies, bees, wasps, beetles, and spiders.Back to top


Nest Placement

GroundThe male and the female jointly choose a nest site on the ground or in low vegetation, usually within 65 feet of an opening such as a field or road.

Nest Description

Both sexes work together to dig a scrape in the ground, about 6 inches across and 2 inches deep, and line it with grass and other dead vegetation. They often weave weeds and grasses into an arch to completely hide the nest from view. Nest building takes about 5 days.

Nesting Facts

Clutch Size:7-28 eggs
Number of Broods:1-3 broods
Egg Length:1.2 in (3 cm)
Egg Width:1.0 in (2.5 cm)
Incubation Period:22-24 days
Nestling Period:1 day
Egg Description:Dull or creamy white.
Condition at Hatching:Active and covered with down, but dependent on parents to stay warm and find food.
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Ground ForagerNorthern Bobwhites are highly social, usually found in groups, or coveys, of 3–20 individuals. They feed in early morning and late afternoon. At night, coveys usually roost on the ground (or occasionally in vegetation) in a close-packed, outward-facing circle with their tails pointing toward the center, probably to conserve heat and stay on the alert. They coexist peacefully for most of the year, but in the breeding season male bobwhites fight to attract mates. Both males and females perform courtship displays. Originally thought to be monogamous, they actually have several breeding strategies: males can raise broods with multiple females; and females can raise broods with multiple males (although males often abandon such broods). Bobwhites sometimes intermingle their eggs with those of Ring-necked Pheasants and free-range domestic chickens. Hawks, owls, raccoons, opossums, skunks, foxes, and snakes prey on adult bobwhites and their young. Adults flutter and drag their wings to distract predators from their chicks.Back to top


Common Bird in Steep Decline

Northern Bobwhites were once a common species in eastern North America, but experienced widespread, sharp declines of approximately 3.1% per year, for a cumulative decline of about 81% between 1966 to 2019, according to the North American Breeding Bird Survey. If this loss continues, their numbers will be halved in less than ten years. Partners in Flight estimates a global breeding population of 5.8 million and rates them 12 out of 20 on the Continental Concern Score, indicating a species of relatively low conservation concern. However, Northern Bobwhite is included on the list of Common Bird in Steep Decline, for species that are still too numerous or widely distributed to warrant Watch-List status but have been experiencing troubling long-term declines. The bobwhite’s decline probably results from habitat degradation and loss owing to urbanization, fire suppression, and changes to agriculture and forestry. Agricultural fields have become less suitable for bobwhites with higher levels of pesticides and herbicides yielding less insect and plant food, and fewer hedgerows to provide cover. Although forest-clearing can increase bobwhite numbers in the short term, it can also lower them in the long term if forests don’t regenerate. Some landscapes, when managed with prescribed fire, grazing, or other controlled disturbances, can produce high bobwhite densities, and hunting plantations in the Southeast have long done this. Upland pine forests could be managed for the Northern Bobwhite and the endangered Red-cockaded Woodpecker at the same time. In economic terms, the Northern Bobwhite was once one of the most important game birds in North America. Population declines from habitat loss now mean that in many places there are no longer enough to hunt. Bobwhite hunting can be sustainable if controlled properly, but currently management varies widely across the continent. The National Bobwhite Conservation Initiative is a consortium of state agencies, conservation organizations, and hunters working to improve the prospects of this species.

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Brennan, Leonard A., Fidel Hernandez and Damon Williford. (2014). Northern Bobwhite (Colinus virginianus), version 2.0. In The Birds of North America (P. G. Rodewald, editor). Cornell Lab of Ornithology, Ithaca, New York, USA.

Partners in Flight. (2020). Avian Conservation Assessment Database, version 2020.

Rosenberg, K.V., J. A. Kennedy, R. Dettmers, R. P. Ford, D. Reynolds, J. D. Alexander, C. J. Beardmore, P. J. Blancher, R. E. Bogart, G. S. Butcher, A. F. Camfield, A. Couturier, D. W. Demarest, W. E. Easton, J. J. Giocomo, R. H. Keller, A. E. Mini, A. O. Panjabi, D. N. Pashley, T. D. Rich, J. M. Ruth, H. Stabins, J. Stanton, and T. Will. 2016. Partners in Flight Landbird Conservation Plan: 2016 Revision for Canada and Continental United States. Partners in Flight Science Committee.

Sauer, J. R., D. K. Niven, J. E. Hines, D. J. Ziolkowski Jr., K. L. Pardieck, J. E. Fallon, and W. A. Link (2019). The North American Breeding Bird Survey, Results and Analysis 1966–2019. Version 2.07.2019. USGS Patuxent Wildlife Research Center, Laurel, MD, USA.

Sibley, D. A. (2014). The Sibley Guide to Birds, second edition. Alfred A. Knopf, New York, NY, USA.

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