First Record of Tricolored Blackbirds in Idaho

Q4 Agricultural and Biological Sciences Western Birds Pub Date : 2024-03-15 DOI:10.21199/wb55.1.3
Peter J. Olsoy, Katie J. Sorenson
{"title":"First Record of Tricolored Blackbirds in Idaho","authors":"Peter J. Olsoy, Katie J. Sorenson","doi":"10.21199/wb55.1.3","DOIUrl":null,"url":null,"abstract":"Over 99% of Tricolored Blackbirds (Agelaius tricolor) occur in California. However, small populations persist in Oregon, Washington, Nevada, and Baja California. Loss of wetlands that historically served as foraging and breeding habitat has led to their increasing use of agricultural landscapes including silage fields and cattle feedlots. Here we provide the first documentation of the Tricolored Blackbird in Idaho (26 March–13 May and 3 November–16 December 2023), of up to 30 birds observed at five different locations associated with cattle feedlots, each 10–15 km apart, in Payette and Gem counties. Seven observations included recordings of vocalizations (3-23 April and 14 December 2023), largely coinciding with the final observations at each location, presumably before dispersal to breeding grounds. We consider three hypotheses to explain the apparently sudden occurrence of these birds, including their return to some of the same sites in November 2023: (1) a continued pattern of range expansion due to climate change; (2) an undetected long-term population due to low survey effort; or (3) a large-scale movement in response to flooding and extreme weather in the traditional range. We encourage continued monitoring and surveying of these locations in the coming years and surveying for both new wintering locations and for evidence of the Tricolored Blackbird breeding in Idaho.","PeriodicalId":52426,"journal":{"name":"Western Birds","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Western Birds","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.21199/wb55.1.3","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Agricultural and Biological Sciences","Score":null,"Total":0}
引用次数: 0

Abstract

Over 99% of Tricolored Blackbirds (Agelaius tricolor) occur in California. However, small populations persist in Oregon, Washington, Nevada, and Baja California. Loss of wetlands that historically served as foraging and breeding habitat has led to their increasing use of agricultural landscapes including silage fields and cattle feedlots. Here we provide the first documentation of the Tricolored Blackbird in Idaho (26 March–13 May and 3 November–16 December 2023), of up to 30 birds observed at five different locations associated with cattle feedlots, each 10–15 km apart, in Payette and Gem counties. Seven observations included recordings of vocalizations (3-23 April and 14 December 2023), largely coinciding with the final observations at each location, presumably before dispersal to breeding grounds. We consider three hypotheses to explain the apparently sudden occurrence of these birds, including their return to some of the same sites in November 2023: (1) a continued pattern of range expansion due to climate change; (2) an undetected long-term population due to low survey effort; or (3) a large-scale movement in response to flooding and extreme weather in the traditional range. We encourage continued monitoring and surveying of these locations in the coming years and surveying for both new wintering locations and for evidence of the Tricolored Blackbird breeding in Idaho.
查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
爱达荷州首次记录到三色黑鸟
超过 99% 的三色黑鸟(Agelaius tricolor)分布在加利福尼亚。不过,俄勒冈州、华盛顿州、内华达州和下加利福尼亚州仍有少量种群存在。由于历史上作为觅食和繁殖栖息地的湿地逐渐消失,三色黑鸟越来越多地栖息在包括青贮饲料田和养牛场在内的农田中。在此,我们首次记录了爱达荷州的三色黑鸟(2023 年 3 月 26 日至 5 月 13 日和 11 月 3 日至 12 月 16 日),在佩耶特县和宝石县与养牛场相关的五个不同地点观察到多达 30 只鸟,每个地点相距 10-15 公里。其中有 7 次观测包括了发声记录(2023 年 4 月 3 日至 23 日和 12 月 14 日),与在每个地点的最后一次观测基本吻合,推测是在鸟儿分散到繁殖地之前。我们认为有三种假设可以解释这些鸟明显突然出现的原因,包括它们在 2023 年 11 月又回到了一些相同的地点:(1)气候变化导致的持续的分布区扩展模式;(2)由于调查工作较少而未被发现的长期种群;或(3)为应对传统分布区的洪水和极端天气而进行的大规模迁移。我们鼓励在未来几年继续监测和调查这些地点,并调查新的越冬地点和三色黑鸟在爱达荷州繁殖的证据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 去求助
来源期刊
Western Birds
Western Birds Agricultural and Biological Sciences-Animal Science and Zoology
CiteScore
0.60
自引率
0.00%
发文量
0
期刊最新文献
David F. DeSante’s Birds of Cabo San Lucas, Fall 1968: A Historic Account First Record of Tricolored Blackbirds in Idaho American Crow Cracks Open Bivalve via Automobile Second Prebasic Molt of a Black-headed Gull at Anchorage, Alaska Nesting Bald Eagle Population Numbers, Density, Territorial Resources, and Relationship to Human Development in Northern Colorado’s Front Range
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1