Influence of egg oiling on colony presence of ring-billed gulls
Egg oiling is a form of management in which bird eggs are coated with mineral or corn oil, preventing gas exchange through the shell and killing embryos. Unlike other nest disturbance techniques, egg oiling reportedly precludes colony abandonment and, thus, can be advantageous when managers wish to...
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Utah State University
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ftdoajarticles:oai:doaj.org/article:3e3b73b6e59b41658818907305c58c22 2023-05-15T18:45:48+02:00 Influence of egg oiling on colony presence of ring-billed gulls Travis L. DeVault Paige M. Schmidt Fred E. Pogmore John Gobeille Jerrold L. Belant Thomas W. Seamans 2017-01-01T00:00:00Z https://doi.org/10.26077/674e-qn50 https://doaj.org/article/3e3b73b6e59b41658818907305c58c22 EN eng Utah State University https://digitalcommons.usu.edu/hwi/vol8/iss1/3 https://doaj.org/toc/2155-3874 doi:10.26077/674e-qn50 2155-3874 https://doaj.org/article/3e3b73b6e59b41658818907305c58c22 Human-Wildlife Interactions, Vol 8, Iss 2 (2017) dispersal egg oiling human–wildlife conflicts lake champlain larus delawarensis nesting colony ring-billed gull vermont wildlife damage management Environmental sciences GE1-350 General. Including nature conservation geographical distribution QH1-199.5 article 2017 ftdoajarticles https://doi.org/10.26077/674e-qn50 2022-12-31T08:50:15Z Egg oiling is a form of management in which bird eggs are coated with mineral or corn oil, preventing gas exchange through the shell and killing embryos. Unlike other nest disturbance techniques, egg oiling reportedly precludes colony abandonment and, thus, can be advantageous when managers wish to limit dispersal within the breeding season to other locations while stabilizing the population or reducing productivity. However, unintended, indirect effects of egg oiling are not well-characterized. We evaluated the influence of egg oiling on ring-billed gulls (Larus delawarensis) within the Lake Champlain basin, Vermont, during the nesting season to determine whether egg oiling affected colony presence of adults. We radiomarked 58 ring-billed gulls captured on Young Island during 2008 to 2009 and treated all ring-billed gull nests in the colony with egg oiling except for 50% of the nests of radio-marked gulls (control group). Using a radio receiver with automated data logger, we documented the presence of ring-billed gulls at the colony throughout the breeding season. We examined effects of treatment (nests oiled or control), sex, reproductive period (pre- and post-hatch), year, and interactive effects on colony presence (i.e., the proportion of nights ring-billed gulls spent at Young Island). Although we found no effect of treatment, sex, or interactive effects on colony presence, colony presence was 87% greater in the pre-hatch period, presumably due to behavioral mechanisms related to incubation or foraging. Overall colony presence was 118% greater in 2009 than in 2008, potentially a consequence of increased colony disturbance in 2008. We suggest that egg oiling does not influence colony presence of ring-billed gulls within the breeding season Article in Journal/Newspaper Young Island Directory of Open Access Journals: DOAJ Articles Young Island ENVELOPE(162.400,162.400,-66.417,-66.417) |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
dispersal egg oiling human–wildlife conflicts lake champlain larus delawarensis nesting colony ring-billed gull vermont wildlife damage management Environmental sciences GE1-350 General. Including nature conservation geographical distribution QH1-199.5 |
spellingShingle |
dispersal egg oiling human–wildlife conflicts lake champlain larus delawarensis nesting colony ring-billed gull vermont wildlife damage management Environmental sciences GE1-350 General. Including nature conservation geographical distribution QH1-199.5 Travis L. DeVault Paige M. Schmidt Fred E. Pogmore John Gobeille Jerrold L. Belant Thomas W. Seamans Influence of egg oiling on colony presence of ring-billed gulls |
topic_facet |
dispersal egg oiling human–wildlife conflicts lake champlain larus delawarensis nesting colony ring-billed gull vermont wildlife damage management Environmental sciences GE1-350 General. Including nature conservation geographical distribution QH1-199.5 |
description |
Egg oiling is a form of management in which bird eggs are coated with mineral or corn oil, preventing gas exchange through the shell and killing embryos. Unlike other nest disturbance techniques, egg oiling reportedly precludes colony abandonment and, thus, can be advantageous when managers wish to limit dispersal within the breeding season to other locations while stabilizing the population or reducing productivity. However, unintended, indirect effects of egg oiling are not well-characterized. We evaluated the influence of egg oiling on ring-billed gulls (Larus delawarensis) within the Lake Champlain basin, Vermont, during the nesting season to determine whether egg oiling affected colony presence of adults. We radiomarked 58 ring-billed gulls captured on Young Island during 2008 to 2009 and treated all ring-billed gull nests in the colony with egg oiling except for 50% of the nests of radio-marked gulls (control group). Using a radio receiver with automated data logger, we documented the presence of ring-billed gulls at the colony throughout the breeding season. We examined effects of treatment (nests oiled or control), sex, reproductive period (pre- and post-hatch), year, and interactive effects on colony presence (i.e., the proportion of nights ring-billed gulls spent at Young Island). Although we found no effect of treatment, sex, or interactive effects on colony presence, colony presence was 87% greater in the pre-hatch period, presumably due to behavioral mechanisms related to incubation or foraging. Overall colony presence was 118% greater in 2009 than in 2008, potentially a consequence of increased colony disturbance in 2008. We suggest that egg oiling does not influence colony presence of ring-billed gulls within the breeding season |
format |
Article in Journal/Newspaper |
author |
Travis L. DeVault Paige M. Schmidt Fred E. Pogmore John Gobeille Jerrold L. Belant Thomas W. Seamans |
author_facet |
Travis L. DeVault Paige M. Schmidt Fred E. Pogmore John Gobeille Jerrold L. Belant Thomas W. Seamans |
author_sort |
Travis L. DeVault |
title |
Influence of egg oiling on colony presence of ring-billed gulls |
title_short |
Influence of egg oiling on colony presence of ring-billed gulls |
title_full |
Influence of egg oiling on colony presence of ring-billed gulls |
title_fullStr |
Influence of egg oiling on colony presence of ring-billed gulls |
title_full_unstemmed |
Influence of egg oiling on colony presence of ring-billed gulls |
title_sort |
influence of egg oiling on colony presence of ring-billed gulls |
publisher |
Utah State University |
publishDate |
2017 |
url |
https://doi.org/10.26077/674e-qn50 https://doaj.org/article/3e3b73b6e59b41658818907305c58c22 |
long_lat |
ENVELOPE(162.400,162.400,-66.417,-66.417) |
geographic |
Young Island |
geographic_facet |
Young Island |
genre |
Young Island |
genre_facet |
Young Island |
op_source |
Human-Wildlife Interactions, Vol 8, Iss 2 (2017) |
op_relation |
https://digitalcommons.usu.edu/hwi/vol8/iss1/3 https://doaj.org/toc/2155-3874 doi:10.26077/674e-qn50 2155-3874 https://doaj.org/article/3e3b73b6e59b41658818907305c58c22 |
op_doi |
https://doi.org/10.26077/674e-qn50 |
_version_ |
1766236959316901888 |