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Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 52
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Book Description
Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 52
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 43
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Book Description
Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 43
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Book Description
An index of woodcock productivity in 1962 and 1963 was obtained from age ratios in the hunting kill as determined from 28,141 wings contributed by hunters.
Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 1182
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Book Description
An index of woodcock reproductive success in 1961 and 1962 was obtained from age ratios in the hunting kill as determined from wings. For both seasons combined, hunters contributed 25,426 woodcock wings.
Author: William H. Goudy
Publisher:
ISBN:
Category : Bird banding
Languages : en
Pages : 1194
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Book Description
Singing-ground surveys of the American woodcock indicate that breeding populations have increased gradually over the past 7 years while production, as indicated by wing-collection surveys, has remained relatively stable. The woodcock harvest, meanwhile, has probably more than doubled during the past decade. This suggests that while woodcock are probably becoming more important to North American sportsmen, hunting mortality is still relatively unimportant.
Author: Joseph W. Artmann
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 48
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Book Description
The estimated continental woodcock harvest exceeded 1.5 million birds during the 1973-1974 hunting season. Wing-collection data for 1973-74 indicated that productivity increased during the previous spring by 15% rangewide, % in the Atlantic Region, and 21% in the Central Region. Daily and seasonal hunting success was also greater by 8.6% and 10.0% respectively. The 1974 breeding population index increased increased 6.5% rangewide, 2.4% in the Atlantic Region, and 10.0% in the Central Region. Indices from 1964-74 suggested a declining breeding population in the Central Region. Recoveries of 2,950 banded woodcock indicate the existence of two relatively distinct populations. More than 94% of the recoveries were made in the Region of banding.
Author: United States. Bureau of Sport Fisheries and Wildlife
Publisher:
ISBN:
Category : Wildlife research
Languages : en
Pages : 86
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Book Description
Author: R. Kahler Martinson
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 490
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Book Description
Groups of data are organized by flyways, from Pacific to Atlantic, with appendixes of tables to correspond. Individuals or organizations that submitted a report have been credited. Although many of the narrative statements have been briefed, and a few tables deleted or shortened if they contained data submitted previously or in another form, the essential information from each report has been retained to the greatest extent possible.
Author: Thomas J. Dwyer
Publisher:
ISBN:
Category : Woodcock
Languages : en
Pages : 56
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Book Description
In this bibliography we have attempted to assemble the major portion of the technical literature on the American woodcock (Philohela minor). Included are scientific references published between 1927 and 1978. We chose 1927 as the cutoff date for early literature because of the importance of Arthur Cleveland Bent's work in 1927, and because most articles before 1927 are descriptive and do not add appreciably to the scientific literature on the species. An excellent listing of the early literature may be found in the 1936 monograph by Olin Sewall Pettingill, Jr. No previously published bibliography devoted solely to woodcock is available. References are listed alphabetically by author beginning on page 1. Following each reference is a number(s) that corresponds to one of the 22 subject headings listed on page iii.
Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 52
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Book Description
An index of woodcock reproductive success in 1960 and 1961 was obtained from age ratios in the hunting kill as determined from wings. For both seasons combined, hunters contributed 21,343 woodcock wings.
