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Artic migratory raptor selects nesting area during previous breeding seasonCurk, Teja ...Migratory species have a limited time for habitat selection upon arrival at the breeding grounds. This is especially evident in arctic migrants, which are restricted by a narrow window of opportunity ... when environmental conditions are favorable for breeding. This general time constraint is amplified in rough-legged buzzards (Buteo lagopus) who, as many other arctic predators, rely on rodent (lemming) cycles during the breeding season, a 3–5 year period of waxing and waning local food abundance. It remains unclear how arctic predators, especially migrants, can find nesting areas where rodents are numerous when their selection time is so limited. We hypothesized that roughlegged buzzards select nesting areas during the previous breeding season. We tracked 43 rough-legged buzzards using GPS telemetry and assessed their movements postbreeding prospecting behavior to test our hypothesis. Here we show that rough-legged buzzards search for a nesting location during the previous breeding season in a postbreeding period. In the following year, individuals return to and attempt to breed in the area they inspected the year before. Rough-legged buzzards, regardless of breeding success, remained in the Arctic all breeding season until the end of September. Failed breeders prospected more than successful ones. At the same time, buzzards that bred in the rodent-free ecosystem prospected less and showed a high level of philopatry. Therefore, as rodent cycles have been predicted to collapse in the warming Arctic, we can expect arctic predators to change their movement patterns in the future with serious potential consequences for their conservation. We anticipate our study provides a step forward toward understanding movement and settlement decisions in animals experiencing high inter-annual environmental variationSource: Frontiers in ecology and evolution [Elektronski vir]. - ISSN 2296-701X (Vol. 10, Jul 2022, str. 1-13)Type of material - e-article ; adult, seriousPublish date - 2022Language - englishCOBISS.SI-ID - 176956163
Author
Curk, Teja |
Kulikova, Olga |
Fufachev, Ivan |
Wikelski, Martin |
Safi, Kamran |
Pokrovsky, Ivan
Topics
Ornitologija |
izbira habitata |
selitev |
arktična ekologija |
ciklusi glodavcev |
koconoga kanja |
ekologija premikanja |
prospektivni premiki |
habitat selection |
migration |
arctic ecology |
rodent cycles |
rough-legged buzzard |
movement ecology |
prospective movement
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Curk, Teja | 58537 |
Kulikova, Olga | ![]() |
Fufachev, Ivan | ![]() |
Wikelski, Martin | ![]() |
Safi, Kamran | ![]() |
Pokrovsky, Ivan | ![]() |
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