Twenty species naturally occur as residents in the continental United States that are explicitly excluded from protection under the Migratory Bird Treaty Act.a Below we indicate whether or not the species is contained exclusively within the United States
| Species . | Scientific name . | Confined to U.S.?b . |
|---|---|---|
| Phasianidae | ||
| Ruffed Grouse | Bonasa umbellus | No |
| Gunnisson Sage-grouse | Centrocercus minimus | Yes |
| Greater Sage-grouse | C. urophasianus | No |
| Sooty Grouse | Dendragapus fuliginosus | No |
| Dusky Grouse | D. obsucrus | No |
| Spruce Grouse | Falcipennis canadensis | No |
| Willow Ptarmigan | Lagopus. Lagopus | No |
| White-tailed Ptarmigan | L. leucura | No |
| Rock Ptarmigan | L. muta | No |
| Greater Prairie-Chicken | Tympanuchus cupido | Yesc |
| Lesser Prairie-Chicken | T. pallidicinctus | Yes |
| Sharp-tailed Grouse | T. phasianellus | No |
| Wild Turkey | Meleagris gallopavo | No |
| Odontophoridae | ||
| California Quail | Callipepla californica | No |
| Gambel’s Quail | C. gambelii | No |
| Scaled Quail | C. squamata | No |
| Northern Bobwhite | Colinus virginianus | No |
| Montezuma Quail | Cyrtonyx montezumae | No |
| Mountain Quail | Oreortyx pictus | No |
| Cracidae | ||
| Plain Chachalaca | Ortalis vetula | No |
| Species . | Scientific name . | Confined to U.S.?b . |
|---|---|---|
| Phasianidae | ||
| Ruffed Grouse | Bonasa umbellus | No |
| Gunnisson Sage-grouse | Centrocercus minimus | Yes |
| Greater Sage-grouse | C. urophasianus | No |
| Sooty Grouse | Dendragapus fuliginosus | No |
| Dusky Grouse | D. obsucrus | No |
| Spruce Grouse | Falcipennis canadensis | No |
| Willow Ptarmigan | Lagopus. Lagopus | No |
| White-tailed Ptarmigan | L. leucura | No |
| Rock Ptarmigan | L. muta | No |
| Greater Prairie-Chicken | Tympanuchus cupido | Yesc |
| Lesser Prairie-Chicken | T. pallidicinctus | Yes |
| Sharp-tailed Grouse | T. phasianellus | No |
| Wild Turkey | Meleagris gallopavo | No |
| Odontophoridae | ||
| California Quail | Callipepla californica | No |
| Gambel’s Quail | C. gambelii | No |
| Scaled Quail | C. squamata | No |
| Northern Bobwhite | Colinus virginianus | No |
| Montezuma Quail | Cyrtonyx montezumae | No |
| Mountain Quail | Oreortyx pictus | No |
| Cracidae | ||
| Plain Chachalaca | Ortalis vetula | No |
a As listed in USFWS (2020).
b Inferred from species distribution maps provided by Bird Life International (datazone.birdlife.org; Figure 1).
c Historic distribution of Greater Prairie-Chicken extended into a number of Canadian provinces but the species has become extirpated from Canada. However, the species experienced a large degree of range expansion during the late 1800s and early 1900s as a result of human land-use change, and its earlier distribution in Canada, or whether it existed at all, remains uncertain (Johnson et al. 2020).
Twenty species naturally occur as residents in the continental United States that are explicitly excluded from protection under the Migratory Bird Treaty Act.a Below we indicate whether or not the species is contained exclusively within the United States
| Species . | Scientific name . | Confined to U.S.?b . |
|---|---|---|
| Phasianidae | ||
| Ruffed Grouse | Bonasa umbellus | No |
| Gunnisson Sage-grouse | Centrocercus minimus | Yes |
| Greater Sage-grouse | C. urophasianus | No |
| Sooty Grouse | Dendragapus fuliginosus | No |
| Dusky Grouse | D. obsucrus | No |
| Spruce Grouse | Falcipennis canadensis | No |
| Willow Ptarmigan | Lagopus. Lagopus | No |
| White-tailed Ptarmigan | L. leucura | No |
| Rock Ptarmigan | L. muta | No |
| Greater Prairie-Chicken | Tympanuchus cupido | Yesc |
| Lesser Prairie-Chicken | T. pallidicinctus | Yes |
| Sharp-tailed Grouse | T. phasianellus | No |
| Wild Turkey | Meleagris gallopavo | No |
| Odontophoridae | ||
| California Quail | Callipepla californica | No |
| Gambel’s Quail | C. gambelii | No |
| Scaled Quail | C. squamata | No |
| Northern Bobwhite | Colinus virginianus | No |
| Montezuma Quail | Cyrtonyx montezumae | No |
| Mountain Quail | Oreortyx pictus | No |
| Cracidae | ||
| Plain Chachalaca | Ortalis vetula | No |
| Species . | Scientific name . | Confined to U.S.?b . |
|---|---|---|
| Phasianidae | ||
| Ruffed Grouse | Bonasa umbellus | No |
| Gunnisson Sage-grouse | Centrocercus minimus | Yes |
| Greater Sage-grouse | C. urophasianus | No |
| Sooty Grouse | Dendragapus fuliginosus | No |
| Dusky Grouse | D. obsucrus | No |
| Spruce Grouse | Falcipennis canadensis | No |
| Willow Ptarmigan | Lagopus. Lagopus | No |
| White-tailed Ptarmigan | L. leucura | No |
| Rock Ptarmigan | L. muta | No |
| Greater Prairie-Chicken | Tympanuchus cupido | Yesc |
| Lesser Prairie-Chicken | T. pallidicinctus | Yes |
| Sharp-tailed Grouse | T. phasianellus | No |
| Wild Turkey | Meleagris gallopavo | No |
| Odontophoridae | ||
| California Quail | Callipepla californica | No |
| Gambel’s Quail | C. gambelii | No |
| Scaled Quail | C. squamata | No |
| Northern Bobwhite | Colinus virginianus | No |
| Montezuma Quail | Cyrtonyx montezumae | No |
| Mountain Quail | Oreortyx pictus | No |
| Cracidae | ||
| Plain Chachalaca | Ortalis vetula | No |
a As listed in USFWS (2020).
b Inferred from species distribution maps provided by Bird Life International (datazone.birdlife.org; Figure 1).
c Historic distribution of Greater Prairie-Chicken extended into a number of Canadian provinces but the species has become extirpated from Canada. However, the species experienced a large degree of range expansion during the late 1800s and early 1900s as a result of human land-use change, and its earlier distribution in Canada, or whether it existed at all, remains uncertain (Johnson et al. 2020).
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