Evolutionary response to climate change in migratory pied flycatchers

Climate change is rapidly advancing spring phenology but at different rates in different species. Whether these advances are solely driven by phenotypic plasticity or also involve evolution is hotly debated. In some species, including avian long-distance migrants, plastic responses to early springs...

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Những tác giả chính: Helm, B, Van Doren, B, Hoffman, D, Hoffman, U
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: Cell Press 2019
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author Helm, B
Van Doren, B
Hoffman, D
Hoffman, U
author_facet Helm, B
Van Doren, B
Hoffman, D
Hoffman, U
author_sort Helm, B
collection OXFORD
description Climate change is rapidly advancing spring phenology but at different rates in different species. Whether these advances are solely driven by phenotypic plasticity or also involve evolution is hotly debated. In some species, including avian long-distance migrants, plastic responses to early springs may be constrained by inherited circannual timing programs, making evolutionary adjustment the only viable mechanism for keeping pace with shifting phenology. This constraint may be contributing to population declines in migratory species. To test whether a migrant’s timing program has evolved, we replicated an experimental study of the annual cycle of long-distance migratory pied flycatchers (Ficedula hypoleuca) after 21 years of warming. Flycatchers are a model for studying constrained ecological responses to climate change. We show that the phase of the flycatcher circannual clock controlling spring moult, migration, and reproductive timing advanced by 9 days. A nearby wild population mirrored these changes, concurrently advancing egg-laying by 11 days. Furthermore, the time window during which wild flycatcher reproductive timing was most sensitive to ambient temperature advanced by 0.8 days year–1. These results support a role of phenotypic evolution in changing spring phenology. We suggest that the timing programs of long-distance migratory birds may have greater adaptive potential than previously thought, leaving some scope for evolutionary rescue in a changing climate.
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spelling oxford-uuid:3f8c74e5-5e40-412e-8d50-faad63c9ba4b2022-03-26T14:32:45ZEvolutionary response to climate change in migratory pied flycatchersJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:3f8c74e5-5e40-412e-8d50-faad63c9ba4bEnglishSymplectic Elements at OxfordCell Press2019Helm, BVan Doren, BHoffman, DHoffman, UClimate change is rapidly advancing spring phenology but at different rates in different species. Whether these advances are solely driven by phenotypic plasticity or also involve evolution is hotly debated. In some species, including avian long-distance migrants, plastic responses to early springs may be constrained by inherited circannual timing programs, making evolutionary adjustment the only viable mechanism for keeping pace with shifting phenology. This constraint may be contributing to population declines in migratory species. To test whether a migrant’s timing program has evolved, we replicated an experimental study of the annual cycle of long-distance migratory pied flycatchers (Ficedula hypoleuca) after 21 years of warming. Flycatchers are a model for studying constrained ecological responses to climate change. We show that the phase of the flycatcher circannual clock controlling spring moult, migration, and reproductive timing advanced by 9 days. A nearby wild population mirrored these changes, concurrently advancing egg-laying by 11 days. Furthermore, the time window during which wild flycatcher reproductive timing was most sensitive to ambient temperature advanced by 0.8 days year–1. These results support a role of phenotypic evolution in changing spring phenology. We suggest that the timing programs of long-distance migratory birds may have greater adaptive potential than previously thought, leaving some scope for evolutionary rescue in a changing climate.
spellingShingle Helm, B
Van Doren, B
Hoffman, D
Hoffman, U
Evolutionary response to climate change in migratory pied flycatchers
title Evolutionary response to climate change in migratory pied flycatchers
title_full Evolutionary response to climate change in migratory pied flycatchers
title_fullStr Evolutionary response to climate change in migratory pied flycatchers
title_full_unstemmed Evolutionary response to climate change in migratory pied flycatchers
title_short Evolutionary response to climate change in migratory pied flycatchers
title_sort evolutionary response to climate change in migratory pied flycatchers
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AT vandorenb evolutionaryresponsetoclimatechangeinmigratorypiedflycatchers
AT hoffmand evolutionaryresponsetoclimatechangeinmigratorypiedflycatchers
AT hoffmanu evolutionaryresponsetoclimatechangeinmigratorypiedflycatchers