NORTHERN BOBWHITE

Northern Bobwhite
Copyright © 2005 Eric Secker

Conservation Concern: 6PIF

Population Trend: Poorly Known
Credibility: Poor

The Northern Bobwhite is a rare breeder in the CW Region, fairly common to the west and south. Nesting habitat often includes dense grasslands or mixed shrublands. This species is rarely encountered on the BCN Census and accurate trends can't be estimated. Most populations in the CW Region are small and very unstable, except for populations in SW Will County and southern Porter County, IN.

Trend Level

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Avg. Yearly
Rate of Change:

The vertical axis numbers represent an index of the population change.

Note that the scales may vary between graphs.

Avg. Yearly
Rate of Change*:

-50%

70%

Technical Notes (1997-2004 Trend)

Sample Size (Indiv.): 12

Sample Size (Records): 3

AVG. YEARLY RATE OF CHANGE:
(including standard error)
-134 to 34

GOODNESS OF FIT:
Chi-square: 2.25, df 2, p 0.3249
Likelihood Ratio: 2.19, df 2, p 0.3341
AIC: -1.81
NOTE: (model fits if p values are above 0.05)

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1997-2004 Trend Point Count Data	1988-2004 Trend* All Observation Types