Date of breeding of the starling Sturnus vulgaris in New Zealand is related to El Nino Southern Oscillation

Tryjanowski, Piotr; Flux, John E. C.; Sparks, Tim H.. 2006 Date of breeding of the starling Sturnus vulgaris in New Zealand is related to El Nino Southern Oscillation. Austral Ecology, 31 (5). 634-637. 10.1111/j.1442-9993.2006.01612.x

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Abstract/Summary

Weather and climatic conditions may impact on the timing of breeding in birds. We examined changes in the laying date of the starling Sturnus vulgaris at Lower Hutt, New Zealand in the period 1970–2003 and investigated possible relationships with the El Niño Southern Oscillation (ENSO). Laying dates (expressed both as first and modal dates for the local population) were significantly delayed over the study period, i.e. starlings tended to lay later. The timing of breeding was non-linearly related to ENSO, with early laying associated with both low and high values of ENSO. We suggest that changes in laying dates varied with food availability, which fluctuated according to climatic events.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1111/j.1442-9993.2006.01612.x
Programmes:	CEH Programmes pre-2009 publications > Other
UKCEH and CEH Sections/Science Areas:	_ Ecological Processes & Modelling
ISSN:	1442-9985
Format Availability:	Electronic, Print
Additional Keywords:	birds, climate effects, long-term studies, timing of breeding
NORA Subject Terms:	Meteorology and Climatology Zoology Ecology and Environment
Date made live:	25 Jun 2007 13:29 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/495

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