Synchronizing biological cycles as key to survival under a scenario of global change: The Common quail (Coturnix coturnix) strategy

Nadal, Jesús; Ponz, Carolina; Margalida, Antoni (2018). Synchronizing biological cycles as key to survival under a scenario of global change: The Common quail (Coturnix coturnix) strategy. Science of the total environment, 613-614, pp. 1295-1301. Elsevier 10.1016/j.scitotenv.2017.09.168

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Breeding grounds are key areas for sustaining Common quail (Coturnix coturnix) populations as this species is characterised by short life expectancy that requires high offspring production. Annually, breeding quails make up to three breeding attempts in different places. However, the impact of climate warming on quail phenology is unknown. Here, we use a long-term study (1961–2014) of quail-ringing in Spain and data on variation in rain- fall and temperature over the past 86 years to evaluate how quails have responded to climate change in recent years. Our aim was to understand how this species is adapting to new farming practices and climate change. Our results suggest that increases in temperature and decreases in precipitation modify quail phenology. In hot years, an advance in mean arrival dates and stay stages but a delay in departure dates was found. However, in rainy years a delay in the mean start of the stay stage occurred. In cloudy areas, our findings show that quails advance their stay periods in hot and dry years and delay them in cold and rainy years. Accordingly, quail move- ments and breeding attempts are eco-synchronized sequentially in cloudy regions. Our results suggest that quails attempt to overcome the negative impacts of climate change and agricultural intensification by searching for al- ternative high-quality habitats. This strategy could explain how quail populations maintain viable and sustain- able populations despite being legally harvested with regulated hunting.

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