Song Sparrow (Melospiza melodia) Science Article 5
abstract
A variety of vertebrate species modulate immunefunction on a seasonal basis to cope with seasonal energydeficits and competing life-history demands, such asreproduction. Most studies to date have focused uponseasonal variation of cellular and humoral immunity,while neglecting behavioral responses to infection
Noah T. Owen-Ashley and John C. Wingfield, The Journal of Experimental Biology 209, 3062-3070, 2006