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Showing 1 to 2 of 2 for “"Overwintering strategies"”.
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Site fidelity and territorial behaviour of some migratory passerine species overwintering in the Mediterranean area
Three species (Blackcaps, Sylvia atricapilla, Robin Erithacus rebecula and Black Redstart Phoenicurus ochrurus) were studied at five sites in Spain during winters 1981-84 and 1989-1994. Some birds exhibited winter site fidelity. Recoveries occurred mostly within the same winter of ringing. However, …
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Butterflies fly away: insect decline in California, USA
… We then link these results to variation in overwintering strategies, finding that species that overwinter in more juvenile stages are more vulnerable. These results highlight mechanisms of weather driven declines in insect populations and the nuances of climate change effects in …