LesserKestrel_female_mass_wing

Weight and wing length of female Lesser Kestrels (Falco naumanni) captured during the incubation period between 2003 and 2014 in Castro Verde, Portugal

LesserKestrel_breeding_parameters_whole_dataset

Breeding parameters of Lesser Kestrel (Falco naumanni) in Castro Verde, Portugal, between 2003-2014

grasshopper_molecricket_pellets

Mean number of grasshoppers (Acrididae and Tetigonidae) and mole crickets (Gryllotalpidae) found in Lesser Kestrel (Falco naumanni) pellets collected in several colonies between 2007-2008 and 2012-2014

LessserKestrel_breeding_parameters_ringed_birds_dataset

Breeding parameters, age and recapture data of Lesser Kestrels (Falco naumanni) ringed between 2003 and 2014 at Castro Verde, Portuga

Chick body mass (g) and wing length (mm) of lesser kestrels (n = 848) in the three studied colonies.

<p>The trend lines were estimated using LOESS and dashed lines represent 95% confidence intervals.</p

Values of Savage selectivity index (ωⁱ), standard error (SE) and significance level (<i>P</i>) for each habitat used by lesser kestrels around the three studied colonies.

<p>Values of Savage selectivity index (ωⁱ), standard error (SE) and significance level (<i>P</i>) for each habitat used by lesser kestrels around the three studied colonies.</p

Distribution of foraging locations of lesser kestrels in relation to the distance from the colony at Belver, Pardieiro and Mértola.

<p>Foraging trips were significantly longer in Mértola (mean distance = 6.24 km ±1.73, n = 291) than in the Castro Verde colonies (Belver = 1.84 km ±0.37, n = 588 and Pardieiro = 1.92 km ±0.61, n = 814).</p

Habitat classes within a 3 km radius around the studied lesser kestrel colonies.

<p>Habitats were also classified regarding its suitability for lesser kestrels (see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0058320#s2" target="_blank">methods</a>).</p

Evolution of lesser kestrel breeding pairs in Belver, Pardieiro (Castro Verde SPA) and Mértola (Vale do Guadiana SPA) colonies.

<p>Minimum values of estimates for colony size (black cicles) and number of artificial nests available (white circles) and used (grey circles) in each year are shown.</p

Land-use changes within a 3 km radius around three lesser kestrel colonies between 1990 and 2002.

<p>Habitats were classified as suitable, marginal and unsuitable regarding lesser kestrels’ foraging preferences (see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0058320#s2" target="_blank">methods</a>).</p