Is the Spectacled WarblerSylvia conspicillataexpanding northward because of climate warming?

Rapid Range Shifts of Species Associated with High Levels of Climate Warming

(2011) I.-C. Chen et al.   SCIENCE

RNCEP: global weather and climate data at your fingertips

(2011) Michael U. Kemp et al.   Methods in Ecology and Evolution

Climate, climate change and range boundaries

(2010) Chris D. Thomas   DIVERSITY AND DISTRIBUTIONS

Poleward shifts in breeding bird distributions in New York State

(2009) BENJAMIN ZUCKERBERG et al.   GLOBAL CHANGE BIOLOGY

Potential impacts of climatic change on the breeding and non-breeding ranges and migration distance of EuropeanSylviawarblers

(2009) Nathalie Doswald et al.   JOURNAL OF BIOGEOGRAPHY

Temperature has a causal effect on avian timing of reproduction

(2009) M. E. Visser et al.   PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES