饥饿对灯草雀（暗眼灯草雀）攻击、趋近和回避行为的影响。
Effects of hunger on aggression, approach, and avoidance by juncos (Junco hyemalis).
作者信息
Wiley R H, Hartnett S A
出版信息
Z Tierpsychol. 1979 Sep;51(1):77-84. doi: 10.1111/j.1439-0310.1979.tb00673.x.
Abstract
The aggressive tendencies of male dark-eyed juncos Junco hyemalis did not differ significantly following deprivation from food for 20 and 60 min. Tendencies to approach opponents at food, in contrast, increased with longer deprivation. Acute hunger and aggression are thus not competing behavioral systems. Nor do differences in rates of approach by subordinates affect aggressive tendencies of dominant birds.
摘要
雄性暗眼灯草鹀（Junco hyemalis）在禁食20分钟和60分钟后的攻击倾向没有显著差异。相比之下，在食物面前接近对手的倾向会随着禁食时间延长而增加。因此，急性饥饿和攻击并非相互竞争的行为系统。下属接近速度的差异也不会影响优势鸟的攻击倾向。
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