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The New Mexico Breeding Bird Atlas Project

Atlas Handbook

Appendix B: Population Trends for New Mexico
(Data from North American Breeding Bird Survey, 1966-1994)

Terms for Trends

Declining: Population declines are statistically significant
Negative: Population appear to be decreasing, but we don't know for sure
Stable: Populations apparently not changing much
Positive: Populations appear to be increasing, but we don't know for sure
Increasing: Population increases are statistically significant
?: We do not know if it is increasing, decreasing, or stable (sample size too small to tell)

Spruce-fir/aspen Birds National Trend New Mexico Trend
Red-naped Sapsucker ? ?
Olive-sided Flycatcher Declining ?
Hammond's Flycatcher Stable ?
Cordilleran Flycatcher ? ?
Clark's Nutcracker Positive ?
Red-breasted Nuthatch Increasing ?
Hermit Thrush Increasing ?
Golden-crowned Kinglet Declining ?
Ruby-crowned Kinglet Positive ?
Yellow-rumped Warbler
    Audubon's form
Positive ?
Red Crossbill Stable ?
Dark-eyed Junco
    Gray-headed form
Positive ?

Pine-oak Birds National Trend New Mexico Trend
Northern Goshawk Negative ?
Band-tailed Pigeon Declining ?
Flammulated Owl ? ?
Northern Pygmy-Owl Increasing ?
Broad-tailed Hummingbird Positive ?
Violet-green Swallow Declining Declining
Steller's Jay Positive ?
Pygmy Nuthatch Increasing ?
Plumbeous Vireo ? ?
Grace's Warbler Decreasing ?
Chipping Sparrow Stable Declining

Riparian Birds National Trend New Mexico Trend
Cooper's Hawk Increasing ?
Yellow-billed Cuckoo Declining ?
Black-chinned Hummingbird Positive ?
Black Phoebe Increasing ?
Black-capped Chickadee Increasing ?
Gray Catbird Stable ?
Bell's Vireo Declining ?
Yellow Warbler Increasing ?
Yellow-breasted Chat Declining ?
Bullock's Oriole Declining Positive
Summer Tanager Stable ?
Indigo Bunting Declining ?
Song Sparrow Stable ?

Birds of Multiple Habitats National Trend New Mexico Trend
Red-tailed Hawk Increasing Increasing
Mourning Dove Stable Declining
Northern Flicker Negative Stable
Downy Woodpecker Stable ?
Western Kingbird Declining Positive
Ash-throated Flycatcher Increasing Positive
Western Wood-Pewee Declining Declining
Barn Swallow Increasing Increasing
Common Raven Increasing Increasing
Mountain Chickadee Declining ?
White-breasted Nuthatch Increasing ?
Northern Mockingbird Declining Negative
American Robin Increasing Positive
European Starling Declining Stable
Western Tanager Stable Positive
Black-headed Grosbeak Stable Negative
Red-winged Blackbird Declining Declining
Brown-headed Cowbird Declining Increasing
House Finch Positive Declining

Previous Section -- Appendix A: Some Early Nesting Species
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