Measurements of fall migrant peregrine falcons from Texas and New Jersey
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Abstract
Three subspecies of Peregrine Falcons (Falco peregrinus) breed in North America: F. p. anatum, formerly bred in all eco-geographic regions of North America south of the Arctic tundra, except for the immediate vicinity of the northwest Pacific Coast; F. p. tundrius breeds in the Arctic tundra; and F. p. pealei, a relatively sedentary form, occupies the region of the northwest Pacific coast excluded from the range of F. p. anatum (Fyfe et al. 1976). Compared with tundrius, anatum is larger and darker, and the white auricular area is less extensive in proportion to the black malar stripe (White 1968a). This paper presents morphological information from two migrant populations. Also, measurements are compared with F. p. tundrius described by White (1968a,b), although shrinkage in study skins (the source of White's measurements) was recently documented (Fjelds• 1980) and confounds direct comparison.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Measurements of fall migrant peregrine falcons from Texas and New Jersey |
| Series title | Journal of Field Ornithology |
| Volume | 53 |
| Issue | 4 |
| Year Published | 1982 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 7 p. |
| First page | 326 |
| Last page | 332 |
| Country | United States |
| State | Texas, New Jersey |