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Northern Bobwhite

Colinus virginianus

A male northern bobwhite calls to attract females during nesting season, which peaks from May to August. (Image courtesy Dan Smalls/Washington College)
A male northern bobwhite calls to attract females during nesting season, which peaks from May to August. (Image courtesy Dan Smalls/Washington College)

The northern bobwhite is a small, rounded bird that lives in patchworks areas of fields, forests and cropland.

Appearance:

Northern bobwhites are small quail, growing to be between eight and ten inches in length with a wingspan of three to five inches. They have rounded bodies, small heads, rounded wings and short tails. Their feathers are intricately patterned in brown, rufous and black. Males have white stripes on their face and throat and, in the east, they are rufous across the breast. Females’ and juveniles’ throats are buff.

Habitat:

Northern bobwhites live in a variety of habitats including open pine forests, agricultural fields, shrubby areas and grasslands. They avoid mature forests, instead inhabiting the early stages of regrowth after a fire, farming or other disturbance. They do particularly well in areas that experience fires because they maintain an open, grassy ground layer. In winter, bobwhites depend on woody cover to prevent snow from reaching the ground and blocking their foraging habitat.

Range:

The range for northern bobwhites stretches from southeastern Ontario to Central America, but their highest population densities are in the eastern United States and Mexico.

Feeding:

Northern bobwhites eat seeds, leaves and insects. They forage as a group and feed in the early morning and later afternoon.

Predators:

Predators include Cooper’s hawks, raccoons, opossums, skunks and foxes. When encountering predators, adults with chicks will flutter and drag their wings as a distraction. Their coloration also helps them hide from predators.

Flight:

Northern bobwhites can fly very short distances, with the average flight lasting around five seconds. They spend most of their time on the ground, but when flushed, they explode into flight with quick wingbeats and hind under the nearest cover.

Voice:

Bobwhites get their name from the bob-white call of unmated males during the breeding season, but they have a variety of other calls for directing group movement, food finding, predator avoidance and reproduction. Adults point out food to their chicks with a soft tu-tu-tu.

Reproduction and Life Cycle:

Northern bobwhites are highly social, traveling in groups, or conveys, of three to 20 birds. During the day, they run from one sheltered shrubby area to another. At night, they sleep on the ground in an outward-facing circle with their tails pointing toward the center, likely to conserve heat and keep alert.

Northern bobwhites are prolific breeders. If conditions are good, a bobwhite pair can have two or three broods in a single breeding season, totaling about 25 offspring. Both birds work together to dig a nest in the ground, which are saucer shaped and about the size of a softball. They are then lined with grass and often weaving weeds and grasses into an arch to cover the nest from view.

Originally thought to be monogamous, there is now evidence that both male and female bobwhites can have multiple mates in one season. During the breeding season, both males and females perform courtship displays, and males will often fight other males to attract mates.

Northern bobwhites can live up to five or six years, but the majority does not more than one year. Exposure is a major source of mortality in the winter, particularly in times of deep snow or extended cold periods.

Other Facts:

  • Because of its long history as a game bird, the northern bobwhite is one of the most intensively studied bird species in the world.
  • Northern bobwhites are divide into 22 different subspecies, some of which used to be considered different species.
  • The oldest recorded northern bobwhite was six years, five months old.
  • Northern bobwhites used to be common in the eastern United States, but experienced a sharp decline in population in the second half of the 20th century. This was likely due to habitat loss from urbanization, fire suppression and changes in agriculture and forestry.

Sources and Additional Information:




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