Cuadro de texto: http://ifisc.uib-csic.es Cuadro de texto:  Great frigatebird (fregata minor): 
 Large seabirds (light weight  < 5 kg and large wings > 2m). Use thermals to soar before gliding over long distances and time (days/nights over weeks).
 Traveling at high altitudes to locate patches of prey and come close to surface to feed  (reduced flight speed indicates foraging).
 Feeding occurs only during daytime (peaks in the morning and evening).
 Unable to dive or rest on the water surface (permeable plumage) ? in association with subsurface predators (tuna, …): fisheries indicators Cuadro de texto: Weimerskirch et al. 2004; Jaquemet et al. 2005 Cuadro de texto: Frigatebirds and FSLE

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