YELLOW-BREASTED CHAT

Yellow-breasted Chat
Copyright © 2005 Eric Secker

Conservation Concern: 7PIF

Population Trend: Decreasing
Credibility: Mod. Poor

The Yellow-breasted Chat is an uncommon breeder in the CW Region, common to the south. Breeding habitat includes open to moderate dense shrublands, hedgerows, and forest edges, with dense clumps of mixed shrubs. Long-term trends estimate an annual decrease of 6%. Short-term trends have a wide range of error, but estimate an annual decrease of about 12%. This species is very sensitive to the removal of shrubs (native or non-native) and hedgerows in grasslands and shrublands where they may breed.

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*:

-12%

-6%

Technical Notes (1997-2004 Trend)

Sample Size (Indiv.): 19

Sample Size (Records): 15

AVG. YEARLY RATE OF CHANGE:
(including standard error)
-60 to 35

GOODNESS OF FIT:
Chi-square: 15.01, df 13, p 0.3067
Likelihood Ratio: 13.55, df 13, p 0.4059
AIC: -12.45
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