Abstract
Knowledge of diet and intake rates are useful first steps in understanding the distribution and behaviour of foragers. The diet of Golden Plovers and Lapwings feeding on arable farmland has been rarely studied, yet these species increasingly occupy this habitat in winter. They are known to feed at night but little is known about their diet and foraging success at night. This study aimed to describe and compare diurnal and nocturnal foraging behaviour in order to explain spatial and temporal patterns in foraging. Over three winters (1999/2000–2001/02) diurnal and nocturnal observations of focal individuals and collection of faecal samples were used to reconstruct diet and quantify intake rates across a range of arable habitats. Numerically, arthropods (mostly Carabids and millipedes) were the main diurnal prey types but by biomass, small earthworms were the major prey items. Diurnal intake rates were low but comparable with other studies of these species, prompting questions concerning the profitability of...
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