Impacts of El Niño–Southern Oscillation Events on the Distribution of Wintering Raptors

• Published in: The Journal of wildlife management Vol. 72; no. 1; pp. 231 - 239
• Main Authors: Kim, Daniel H, Slack, R. Douglas, Chavez-Ramirez, Felipe
• Format: Journal Article
• Language: English
• Published: Oxford, UK The Wildlife Society 01.01.2008; Blackwell Publishing Ltd
• Subjects: Animal behavior; Animal populations; Aviculture; Birds; Birds of prey; Breeding; Buteo jamaicensis; Circus cyaneus; Climate change; El Nino; El Niño; Falco sparverius; Game and Nongame Birds; Harriers; Hawks; La Nina; La Niña; Local population; MANAGEMENT AND CONSERVATION; Population decline; Population growth; raptors; Roadside; Southern Oscillation; Studies; Summer; Temperature; Texas; Weather; Winter; winter ecology

We report the effects of El Niño–Southern Oscillation (ENSO) events on the distribution and abundance of 3 raptor species at continental, regional, and landscape scales. We correlated values from the southern oscillation index (SOI), an index of ENSO phase and strength, with Christmas Bird Count dat...