Adult survival, an important fi tness component, is usually 1) lower in lighter individuals due to their reduced ability to survive winter conditions compared to heavier ones, especially in resident species at northern temperate latitudes and 2) lower in females compared with males due to higher reproductive costs incurred by females. In this paper, a capture – mark – recapture dataset of 649 cetti ’ s warblers...
Most attempts to link seabirds and climate/oceanographic effects have concerned the Atlantic and Pacific Oceans with comparatively few studies in the tropical Indian Ocean. This paper examines the reproductive response of the lesser noddy Anous tenuirostris to temporal fluctuations in oceanographic and climatic conditions using 8 years of monitoring data from Aride Island (Seychelles), tropical Western Indian O...
Aims: To study the foraging ecology of roseate terns and common terns in the Azores sub-tropical wa- ters where the former species is relatively abundant compared to congeners. In particular, we asked whether foraging behaviour differed between both species, which factors determined individual success at forag- ing-flocks, and how did our findings compare with previous studies of Atlantic populations in North A...
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