The clutch size, incubation behavior of Reeves's Pheasant (Syrmaticus reevesii) and their responses to ambient temperature and precipitation

Weather conditions play a pivotal role in embryo development and parental incubation costs, potentially impacting the clutch size and incubation behavior of birds. Understanding these effects is crucial for bird conservation. Reeves's Pheasant (Syrmaticus reevesii) is a threatened species endem...

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Main Authors: Ting Jin, Shuai Lu, Yunqi Wang, Junqin Hua, Zhengxiao Liu, Qian Hu, Yating Liu, Yuze Zhao, Jianqiang Li, Jiliang Xu
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2024-01-01
Series:Avian Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2053716624000112
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author Ting Jin
Shuai Lu
Yunqi Wang
Junqin Hua
Zhengxiao Liu
Qian Hu
Yating Liu
Yuze Zhao
Jianqiang Li
Jiliang Xu
author_facet Ting Jin
Shuai Lu
Yunqi Wang
Junqin Hua
Zhengxiao Liu
Qian Hu
Yating Liu
Yuze Zhao
Jianqiang Li
Jiliang Xu
author_sort Ting Jin
collection DOAJ
description Weather conditions play a pivotal role in embryo development and parental incubation costs, potentially impacting the clutch size and incubation behavior of birds. Understanding these effects is crucial for bird conservation. Reeves's Pheasant (Syrmaticus reevesii) is a threatened species endemic to China, which is characterized by female-only incubation. However, there is a lack of information regarding the impact of weather conditions on clutch size and incubation behavior in this species. Using satellite tracking, we tracked 27 wild female Reeves's Pheasants from 2020 to 2023 in Hubei Province, China. We explored their clutch size and incubation behavior, as well as their responses to ambient temperature and precipitation. Clutch size averaged 7.75 ± 1.36, had an association with average ambient temperature and average daily precipitation during the egg-laying period, and was potentially linked to female breeding attempts. Throughout the incubation period, females took an average of 0.73 ± 0.46 recesses every 24 h, with an average recess duration of 100.80 ± 73.37 min and an average nest attendance of 92.98 ± 5.27%. They showed a unimodal recess pattern in which nest departures peaked primarily between 13:00 and 16:00. Furthermore, females rarely left nests when daily precipitation was high. Recess duration and nest attendance were influenced by the interaction between daily mean ambient temperature and daily precipitation, as well as day of incubation. Additionally, there was a positive correlation between clutch size and recess duration. These results contribute valuable insights into the life-history features of this endangered species.
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spelling doaj.art-66fe2a9888dd4a938d9e131dce88105a2024-03-12T04:16:18ZengKeAi Communications Co., Ltd.Avian Research2053-71662024-01-0115100168The clutch size, incubation behavior of Reeves's Pheasant (Syrmaticus reevesii) and their responses to ambient temperature and precipitationTing Jin0Shuai Lu1Yunqi Wang2Junqin Hua3Zhengxiao Liu4Qian Hu5Yating Liu6Yuze Zhao7Jianqiang Li8Jiliang Xu9School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, ChinaSchool of Ecology and Nature Conservation, Beijing Forestry University, Beijing, 100083, China; State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, 100083, China; Corresponding author. School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China.Weather conditions play a pivotal role in embryo development and parental incubation costs, potentially impacting the clutch size and incubation behavior of birds. Understanding these effects is crucial for bird conservation. Reeves's Pheasant (Syrmaticus reevesii) is a threatened species endemic to China, which is characterized by female-only incubation. However, there is a lack of information regarding the impact of weather conditions on clutch size and incubation behavior in this species. Using satellite tracking, we tracked 27 wild female Reeves's Pheasants from 2020 to 2023 in Hubei Province, China. We explored their clutch size and incubation behavior, as well as their responses to ambient temperature and precipitation. Clutch size averaged 7.75 ± 1.36, had an association with average ambient temperature and average daily precipitation during the egg-laying period, and was potentially linked to female breeding attempts. Throughout the incubation period, females took an average of 0.73 ± 0.46 recesses every 24 h, with an average recess duration of 100.80 ± 73.37 min and an average nest attendance of 92.98 ± 5.27%. They showed a unimodal recess pattern in which nest departures peaked primarily between 13:00 and 16:00. Furthermore, females rarely left nests when daily precipitation was high. Recess duration and nest attendance were influenced by the interaction between daily mean ambient temperature and daily precipitation, as well as day of incubation. Additionally, there was a positive correlation between clutch size and recess duration. These results contribute valuable insights into the life-history features of this endangered species.http://www.sciencedirect.com/science/article/pii/S2053716624000112Ambient temperatureClutch sizeIncubation behaviorPrecipitationReeves's Pheasant
spellingShingle Ting Jin
Shuai Lu
Yunqi Wang
Junqin Hua
Zhengxiao Liu
Qian Hu
Yating Liu
Yuze Zhao
Jianqiang Li
Jiliang Xu
The clutch size, incubation behavior of Reeves's Pheasant (Syrmaticus reevesii) and their responses to ambient temperature and precipitation
Avian Research
Ambient temperature
Clutch size
Incubation behavior
Precipitation
Reeves's Pheasant
title The clutch size, incubation behavior of Reeves's Pheasant (Syrmaticus reevesii) and their responses to ambient temperature and precipitation
title_full The clutch size, incubation behavior of Reeves's Pheasant (Syrmaticus reevesii) and their responses to ambient temperature and precipitation
title_fullStr The clutch size, incubation behavior of Reeves's Pheasant (Syrmaticus reevesii) and their responses to ambient temperature and precipitation
title_full_unstemmed The clutch size, incubation behavior of Reeves's Pheasant (Syrmaticus reevesii) and their responses to ambient temperature and precipitation
title_short The clutch size, incubation behavior of Reeves's Pheasant (Syrmaticus reevesii) and their responses to ambient temperature and precipitation
title_sort clutch size incubation behavior of reeves s pheasant syrmaticus reevesii and their responses to ambient temperature and precipitation
topic Ambient temperature
Clutch size
Incubation behavior
Precipitation
Reeves's Pheasant
url http://www.sciencedirect.com/science/article/pii/S2053716624000112
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