Sex- and age-specific reproductive and physical parameters of the bobcat ( Lynx rufus ) on Cape Breton Island, Nova Scotia
A total of 605 bobcat (Lynx rufus) carcasses, collected by trappers on Cape Breton Island from 1977–1978 through 1979–1980, were examined for sex and age structure, physical characteristics and condition, diet, and reproduction. The overall sex ratio was 52 males to 48 females; sex ratios favoured m...
Published in: | Canadian Journal of Zoology |
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Language: | English |
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Canadian Science Publishing
1983
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Online Access: | http://dx.doi.org/10.1139/z83-229 http://www.nrcresearchpress.com/doi/pdf/10.1139/z83-229 |
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crcansciencepubl:10.1139/z83-229 2023-12-17T10:28:22+01:00 Sex- and age-specific reproductive and physical parameters of the bobcat ( Lynx rufus ) on Cape Breton Island, Nova Scotia Parker, G. R. Smith, G. E. J. 1983 http://dx.doi.org/10.1139/z83-229 http://www.nrcresearchpress.com/doi/pdf/10.1139/z83-229 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Zoology volume 61, issue 8, page 1771-1782 ISSN 0008-4301 1480-3283 Animal Science and Zoology Ecology, Evolution, Behavior and Systematics journal-article 1983 crcansciencepubl https://doi.org/10.1139/z83-229 2023-11-19T13:39:07Z A total of 605 bobcat (Lynx rufus) carcasses, collected by trappers on Cape Breton Island from 1977–1978 through 1979–1980, were examined for sex and age structure, physical characteristics and condition, diet, and reproduction. The overall sex ratio was 52 males to 48 females; sex ratios favoured males in the juvenile cohorts and females in adult classes. Annual survival rates for adult males and females were 0.58 and 0.63, respectively. Kits were underrepresented and yearlings overrepresented in the annual harvests. The oldest bobcats were aged at 11.5 years. Females produced their first litters at 1 or 2 years of age. Breeding rates for 1-, 2-, and 3-year-old bobcats were 26, 55, and 73%, respectively. For those three age-classes, in utero litter sizes were 2.22, 2.43, and 2.74, respectively. Litter sizes ranged from 1 to 6. Snowshoehare (Lepus amer ic anus) was the most important food item in the winter diet; annual percent occurrence values ranged from 83 to 92%. The proportion of yearlings in the monthly samples declined through the winter while the proportion of kits increased. Options for regulating the composition of the harvest through flexible seasons are discussed. Article in Journal/Newspaper Breton Island Lynx Canadian Science Publishing (via Crossref) Breton Island ENVELOPE(141.383,141.383,-66.800,-66.800) Canadian Journal of Zoology 61 8 1771 1782 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics Parker, G. R. Smith, G. E. J. Sex- and age-specific reproductive and physical parameters of the bobcat ( Lynx rufus ) on Cape Breton Island, Nova Scotia |
topic_facet |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
description |
A total of 605 bobcat (Lynx rufus) carcasses, collected by trappers on Cape Breton Island from 1977–1978 through 1979–1980, were examined for sex and age structure, physical characteristics and condition, diet, and reproduction. The overall sex ratio was 52 males to 48 females; sex ratios favoured males in the juvenile cohorts and females in adult classes. Annual survival rates for adult males and females were 0.58 and 0.63, respectively. Kits were underrepresented and yearlings overrepresented in the annual harvests. The oldest bobcats were aged at 11.5 years. Females produced their first litters at 1 or 2 years of age. Breeding rates for 1-, 2-, and 3-year-old bobcats were 26, 55, and 73%, respectively. For those three age-classes, in utero litter sizes were 2.22, 2.43, and 2.74, respectively. Litter sizes ranged from 1 to 6. Snowshoehare (Lepus amer ic anus) was the most important food item in the winter diet; annual percent occurrence values ranged from 83 to 92%. The proportion of yearlings in the monthly samples declined through the winter while the proportion of kits increased. Options for regulating the composition of the harvest through flexible seasons are discussed. |
format |
Article in Journal/Newspaper |
author |
Parker, G. R. Smith, G. E. J. |
author_facet |
Parker, G. R. Smith, G. E. J. |
author_sort |
Parker, G. R. |
title |
Sex- and age-specific reproductive and physical parameters of the bobcat ( Lynx rufus ) on Cape Breton Island, Nova Scotia |
title_short |
Sex- and age-specific reproductive and physical parameters of the bobcat ( Lynx rufus ) on Cape Breton Island, Nova Scotia |
title_full |
Sex- and age-specific reproductive and physical parameters of the bobcat ( Lynx rufus ) on Cape Breton Island, Nova Scotia |
title_fullStr |
Sex- and age-specific reproductive and physical parameters of the bobcat ( Lynx rufus ) on Cape Breton Island, Nova Scotia |
title_full_unstemmed |
Sex- and age-specific reproductive and physical parameters of the bobcat ( Lynx rufus ) on Cape Breton Island, Nova Scotia |
title_sort |
sex- and age-specific reproductive and physical parameters of the bobcat ( lynx rufus ) on cape breton island, nova scotia |
publisher |
Canadian Science Publishing |
publishDate |
1983 |
url |
http://dx.doi.org/10.1139/z83-229 http://www.nrcresearchpress.com/doi/pdf/10.1139/z83-229 |
long_lat |
ENVELOPE(141.383,141.383,-66.800,-66.800) |
geographic |
Breton Island |
geographic_facet |
Breton Island |
genre |
Breton Island Lynx |
genre_facet |
Breton Island Lynx |
op_source |
Canadian Journal of Zoology volume 61, issue 8, page 1771-1782 ISSN 0008-4301 1480-3283 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/z83-229 |
container_title |
Canadian Journal of Zoology |
container_volume |
61 |
container_issue |
8 |
container_start_page |
1771 |
op_container_end_page |
1782 |
_version_ |
1785580462463254528 |