Lean migratory songbirds move more when food is scarce

During spring migration, stopover sites play a determinant role for migratory songbirds’ survival. In a paper published on Scientific Reports, we investigated how food availability, an indicator of stopover site quality, shapes the behaviour of energetic challenged migratory songbirds after crossing the Mediterranean.

Fig.2

Our results suggest that birds with low energy reserves search for refuelling opportunities when food availability is low. In addition to improving our understanding of migratory strategies, our results are relevant for the protection of stopover areas, currently is one of the major concerns for the conservation of migratory birds.

If you want to learn more about the influence of food availability on stopover behaviour, you can access the paper following this link.

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