Gosling Growth and Survival in Relation to Brood Movements in Greater Snow Geese (Chen Caerulescens Atlantica)
Abstract Post-hatch brood movements to high-quality foraging sites are common in precocial birds but may entail costs for young. We assessed effects of overland movements of broods between the nesting and rearing areas in Greater Snow Geese (Chen caerulescens atlantica) breeding on Bylot Island, Nun...
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Online Access: | http://dx.doi.org/10.1093/auk/123.4.1077 http://academic.oup.com/auk/article-pdf/123/4/1077/29692657/auk1077.pdf |
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croxfordunivpr:10.1093/auk/123.4.1077 2023-10-09T21:50:27+02:00 Gosling Growth and Survival in Relation to Brood Movements in Greater Snow Geese (Chen Caerulescens Atlantica) Mainguy, Julien Gauthier, Gilles Giroux, Jean-François Bêty, Joël Haukos, D. A. 2006 http://dx.doi.org/10.1093/auk/123.4.1077 http://academic.oup.com/auk/article-pdf/123/4/1077/29692657/auk1077.pdf en eng Oxford University Press (OUP) The Auk volume 123, issue 4, page 1077-1089 ISSN 1938-4254 0004-8038 Animal Science and Zoology Ecology, Evolution, Behavior and Systematics journal-article 2006 croxfordunivpr https://doi.org/10.1093/auk/123.4.1077 2023-09-22T11:14:19Z Abstract Post-hatch brood movements to high-quality foraging sites are common in precocial birds but may entail costs for young. We assessed effects of overland movements of broods between the nesting and rearing areas in Greater Snow Geese (Chen caerulescens atlantica) breeding on Bylot Island, Nunavut, Canada, to determine whether these movements affected gosling survival and growth. We monitored 51 radiomarked females over five years to quantify movement distance, movement duration, and gosling survival. Gosling growth was compared over four years using a sample of web-tagged broods recaptured shortly before fledging among adults that (1) nested and reared their young in a dense colony, (2) left the colony and moved ≈30 km to reach the main brood-rearing area, or (3) nested and reared their young in the main brood-rearing area. Brood movements by radio-marked birds were highly variable (2.6-52.5 km, depending on rearing areas used) and fairly rapid (≤6 days after hatch for 72% of the females). Gosling survival was not related to distance moved between nesting and brood-rearing areas. However, gosling growth was influenced by areas used and whether or not they had to move to reach their brood-rearing area. Geese nesting at the main brood-rearing area generally reared heavier and larger goslings than those that moved ≈30 km from the main nesting colony to rear their brood at the main brood-rearing area. On the other hand, goslings leaving the nesting colony after hatch were heavier and larger than those that stayed there throughout brood rearing in one of two years. Although brood movements allow goslings access to high-quality habitats, they entail some costs. Thus, minimizing such movements through nest-site selection should provide a selective advantage by allowing goslings to maximize their growth. Croissance et Survie des Oisons en Relation avec les Déplacements des Familles chez Chen caerulescens atlantica Article in Journal/Newspaper Bylot Island Nunavut Oxford University Press (via Crossref) Nunavut Bylot Island Canada The Auk 123 4 1077 1089 |
institution |
Open Polar |
collection |
Oxford University Press (via Crossref) |
op_collection_id |
croxfordunivpr |
language |
English |
topic |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics Mainguy, Julien Gauthier, Gilles Giroux, Jean-François Bêty, Joël Gosling Growth and Survival in Relation to Brood Movements in Greater Snow Geese (Chen Caerulescens Atlantica) |
topic_facet |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
description |
Abstract Post-hatch brood movements to high-quality foraging sites are common in precocial birds but may entail costs for young. We assessed effects of overland movements of broods between the nesting and rearing areas in Greater Snow Geese (Chen caerulescens atlantica) breeding on Bylot Island, Nunavut, Canada, to determine whether these movements affected gosling survival and growth. We monitored 51 radiomarked females over five years to quantify movement distance, movement duration, and gosling survival. Gosling growth was compared over four years using a sample of web-tagged broods recaptured shortly before fledging among adults that (1) nested and reared their young in a dense colony, (2) left the colony and moved ≈30 km to reach the main brood-rearing area, or (3) nested and reared their young in the main brood-rearing area. Brood movements by radio-marked birds were highly variable (2.6-52.5 km, depending on rearing areas used) and fairly rapid (≤6 days after hatch for 72% of the females). Gosling survival was not related to distance moved between nesting and brood-rearing areas. However, gosling growth was influenced by areas used and whether or not they had to move to reach their brood-rearing area. Geese nesting at the main brood-rearing area generally reared heavier and larger goslings than those that moved ≈30 km from the main nesting colony to rear their brood at the main brood-rearing area. On the other hand, goslings leaving the nesting colony after hatch were heavier and larger than those that stayed there throughout brood rearing in one of two years. Although brood movements allow goslings access to high-quality habitats, they entail some costs. Thus, minimizing such movements through nest-site selection should provide a selective advantage by allowing goslings to maximize their growth. Croissance et Survie des Oisons en Relation avec les Déplacements des Familles chez Chen caerulescens atlantica |
author2 |
Haukos, D. A. |
format |
Article in Journal/Newspaper |
author |
Mainguy, Julien Gauthier, Gilles Giroux, Jean-François Bêty, Joël |
author_facet |
Mainguy, Julien Gauthier, Gilles Giroux, Jean-François Bêty, Joël |
author_sort |
Mainguy, Julien |
title |
Gosling Growth and Survival in Relation to Brood Movements in Greater Snow Geese (Chen Caerulescens Atlantica) |
title_short |
Gosling Growth and Survival in Relation to Brood Movements in Greater Snow Geese (Chen Caerulescens Atlantica) |
title_full |
Gosling Growth and Survival in Relation to Brood Movements in Greater Snow Geese (Chen Caerulescens Atlantica) |
title_fullStr |
Gosling Growth and Survival in Relation to Brood Movements in Greater Snow Geese (Chen Caerulescens Atlantica) |
title_full_unstemmed |
Gosling Growth and Survival in Relation to Brood Movements in Greater Snow Geese (Chen Caerulescens Atlantica) |
title_sort |
gosling growth and survival in relation to brood movements in greater snow geese (chen caerulescens atlantica) |
publisher |
Oxford University Press (OUP) |
publishDate |
2006 |
url |
http://dx.doi.org/10.1093/auk/123.4.1077 http://academic.oup.com/auk/article-pdf/123/4/1077/29692657/auk1077.pdf |
geographic |
Nunavut Bylot Island Canada |
geographic_facet |
Nunavut Bylot Island Canada |
genre |
Bylot Island Nunavut |
genre_facet |
Bylot Island Nunavut |
op_source |
The Auk volume 123, issue 4, page 1077-1089 ISSN 1938-4254 0004-8038 |
op_doi |
https://doi.org/10.1093/auk/123.4.1077 |
container_title |
The Auk |
container_volume |
123 |
container_issue |
4 |
container_start_page |
1077 |
op_container_end_page |
1089 |
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1779313512154136576 |