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Cross-species amplification of microsatellite markers in the Great Horned Owl Bubo virginianus, Short-eared Owl Asio flammeus and Snowy Owl B. scandiacus for use in population genetics, individual identification and parentage studies

Using DNA from blood and feathers, we screened twenty-four microsatellite primer pairs initially developed for six strigid owls, and four primer pairs shown to be polymorphic across avian taxa, for their utility in Great Horned Owl (Bubo virginianus), Short-eared Owl (Asio flammeus), and Snowy Owl (Bubo scandiacus). Eight of these primers reliably amplified polymorphic fragments in Great Horned Owl, eleven in Short-eared owl, and ten in Snowy Owl. Analyses of results from presumably unrelated owls demonstrate the utility of these loci for individual identification, parentage assignment, and population genetics studies.

Journal of the Yamashina Institute for Ornithology

An annotated bibliography of literature on Alaska water birds

The demand for information on birds in Alaska has surged within the past few years, primarily because of the need to adequately assess the impacts of a wide range of planned developments. The accompanying increase in studies of avian populations has resulted in a growing need for a comprehensive bibliography of Alaska ornithology. An initial effort by Bartonek and Lensink (1978) provided a list of published and unpublished references on marine birds, but this list was only marginally useful because it lacked adequate indexing and annotation of references cited. Their bibliography, however, plus those of Cade (1953) and Gabrielson and Lincoln (1959), provided the basis and primary reference sources for our work. In the present bibliography we have attempted to compile all substantive references addressing water birds in Alaska because this group of birds appears to be most Vulnerable to repercussions of development, particularly along the coast. However, the works cited make up an estimated 70-80% of all literature on birds in Alaska, and this volume thus provides an initial source of references on terrestrial birds. This bibliography, which contains 1554 citations, is current for most journal sources through 1979 and most of 1980. The content of each paper has been summarized, and we have indexed the citations by subject, species, and geographic location to make the bibliography a more useful reference. Furthermore, the bibliography has been designed to facilitate future inclusion of references that have been omitted or that will be published in the rapidly growing body of literature on Alaska birds.

Alaska

Clarifications and corrections of the dates of issue of some publications containing descriptions of North American birds

The date of issue of a work containing a new scientific name determines the date the name is available and, therefore, the priority of the name with respect to other applied to the same taxon. Differences between the dates printed in publications and the actual dates of issues often resulted from procedures in distribution and erratic publishing schedules, especially before the twentieth century. Distribution, including that to subscribers, was usually the responsibility of the author (Jackson, 1975: 14-15). Early publications were customarily issues in parts (Price, 1982) and the dated title page was usually issued last, which complicates matters of establishing an actual publication date. Early bibliographic works, especially those of Sherborn (e.g., 1902-1933), Mathews (e.g., 1911, 1919, 1925), Waterhouse (e.g., 1885, 1889, 1937), Zimmer (1926), and Richmond (e.g., 1899b, 1902, 1917), have provided information on the actual dates of issue of many ornithological works. Many modern publications (e.g. American Ornithologists' Union [A.O.U.], 1957, 1983; various volumes of Peters's check-lists) have neglected recent, and some older, bibliographic works on several sources of scientific names of birds that affect the proper citations. Here, we clarify information on the dates of issue of some publications on North American ( sensu , A.O.U., 1983) birds. In the event the actual day of issue cannot be determined, the last day of the month or year, whichever was known, or, lacking such information, the printed date, is the date of availability of the scientific name (International Commission on Zoological Nomenclature, 1985: Article 21). Sources for determining the dates of issue include bibliographic works and the invaluable notes of Charles W. Richmond (in the Division of Birds library, Smithsonian Institution). In the following, books are listed alphabetically by the author of the scientific names, and journals by the first word in their title.

Archives of Natural History

Winter distribution of golden eagles in the Eastern USA

Golden Eagles ( Aquila chrysaetos ) have a Holarctic distribution, but some details of that overall distribution are poorly understood, including parts of the range in eastern North America. Recent studies in the region suggest that Golden Eagles may be more widely distributed than previously recognized. For species specific conservation efforts to be effective, an understanding of the distribution of the species is essential. Thus, the goal of this study was to map the winter distribution of Golden Eagles in the eastern half of the USA. To accomplish this, we reviewed and compiled 11,981 Golden Eagle records from eight data sources, including literature and ornithology records, community science data, survey data, and telemetry data. We found that Golden Eagles were observed in winter in each of the 31 states that lie completely east of the 100th meridian and in 1244 of the 2045 counties (61%) in those states. The proportion of counties with records varied by physiographic province, with higher proportions in physiographic provinces with more rugged terrain and greater forest cover. Our study shows that Golden Eagles are more widely distributed during winter in eastern USA states than was previously recognized. This work provides an important foundation for future management and research at a time when threats to this species are expanding rapidly on the landscape.

Journal of Raptor Research