Habitat use of <i>E</i>. <i>helvum</i> with respect to tree cover.

<p>Box plot of foraging points during the wet (n = 306) and dry season (n = 225) compared to the frequency distribution of 10,000 random points within a radius of 88 km around the colony site. Black dots: outliers beyond the 5^th / 95^th percentiles.</p

GPS tracks of <i>E</i>. <i>helvum</i> from wet (a) and dry season (b).

<p>Round dots represent commuting and roosting locations, and octagons foraging locations of <i>E</i>. <i>helvum</i>. Black circles indicate the maximum foraging distance of wet season (37 km) and dry season (88 km). Southern part of map corresponds to Atlantic Ocean. See Supporting Information (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0138985#pone.0138985.s004" target="_blank">S3 Fig</a>) for detailed maps of foraging areas of selected individuals.</p

Seasonal colony fluctuations of <i>E</i>. <i>helvum</i> in Accra from January 2009 through January 2012.

<p>Triangles indicate tracking periods of the present study during population low (wet season 2009) and population high (dry season 2011); vertical lines represent colony counts.</p

Seasonal changes of maximum and cumulative flight distances (a), and in size of core and foraging areas (b).

<p>Box plots show maximum flight distances from the colony to the most distant foraging area and the mean of daily cumulative flight distances. Box plots of core and foraging areas show the 50% and 90% kernel density UDs (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0138985#pone.0138985.t001" target="_blank">Table 1</a>). Dots represent raw data.</p

Foraging distances of Old World fruit bat species (Pteropodidae) in relation to body mass.

<p>1: <i>E</i>. <i>helvum</i>, dry season, 2: <i>E</i>. <i>helvum</i>, wet season. Linear regression (y = 0.746x + 1.810, R² = 0.384) with 95% confidence bands shown. Grey dots show cave-roosting <i>Rousettus</i> spp. See Supporting Information (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0138985#pone.0138985.s008" target="_blank">S4 Table</a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0138985#pone.0138985.s001" target="_blank">S1 Appendix</a>) for literature data.</p