Vocal negotiation over parental care? Acoustic communication at the nest predicts partners' incubation share
Vocal negotiation over parental care? Acoustic communication at the nest predicts partners' incubation share
复制标题
DOI：
10.1111/bij.12705
复制
发表时间：
2016-02-01
影响因子：
1.9
通讯作者：
Vignal, Clementine
中科院分区：
文献类型：
--
作者：
Boucaud, Ingrid C. A.;Mariette, Mylene M.;Vignal, Clementine
在有双亲照顾的物种中，个体会根据伴侣的工作量来调整自己的工作量，以补偿或匹配伴侣的投资。夫妻之间的沟通可能是实现这种调整的关键。斑胸草雀，Taeniopygia guttata，形成终身一夫一妻制的配偶关系，其中伴侣是高度协调的，都孵化鸡蛋。当在孵化期间相互缓解时，伴侣在巢中进行结构化的呼叫二重奏。如果这种二重奏的功能，以协调孵化工作量，扰乱对通常的巢救济模式，推迟男性的返回到巢应该会影响二重奏的结构。使用驯养的鸟类在一个大型的鸟舍繁殖，我们发现，延迟男性的回报诱导更短的二重唱较高的呼叫率。此外，我们跟踪了在巢穴和喂食器上带有应答器的个体的位置，并表明这些加速的二重唱与合作伙伴轮流孵化和觅食的匆忙程度增加有关。雌性在随后的转变中也花了更少的时间孵化，而雌性离巢的时间最好通过它们的配偶在前一次二重唱中的呼唤行为来预测。两者合计，这些结果表明，二重唱可能作为“声乐谈判”超过父母的照顾。(C)2015年伦敦林奈学会
In species with biparental care, individuals adjust their workload to that of their partner to either compensate or match its investment. Communication within a pair might be crucial for achieving this adjustment. Zebra finches, Taeniopygia guttata, form life-long monogamous pair bonds, in which partners are highly coordinated and both incubate the eggs. When relieving each other during incubation, partners perform a structured call duet at the nest. If this duet functions to coordinate incubation workload, disrupting the pair's usual nest-relief pattern by delaying the male's return to the nest should affect the structure of the duet. Using domesticated birds breeding in a large aviary, we found that delaying the male's return induced shorter duets with higher call rates. In addition, we tracked the location of individuals with a transponder at the nest and the feeder, and showed that these accelerated duets were associated with an increased haste of the partners to take turns incubating and foraging. Females also spent less time incubating during their subsequent shift, and females' time off-nest was best predicted by their mate's calling behaviour in the previous duet. Taken together, these results suggest that duets may function as 'vocal negotiation' over parental care. (C) 2015 The Linnean Society of London