Aggression, Mate-Guarding, Male Parental Care and Kinship

攻击性、配偶保护、男性父母照顾和亲属关系

基本信息

批准号：
9222005
负责人：
Patricia Gowaty
金额：
$ 24.61万
依托单位：
University of Georgia Research Foundation Inc
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1993
资助国家：
美国
起止时间：
1993-08-01 至 1997-01-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9222005&HistoricalAwards=false
关键词：
Aggression Mate Guarding Male Parental

项目摘要

This research project will test four hypotheses about evolutionary forces that affect the behavior of pair-bonded birds to each other and to the nestlings they raise: 1. Male-male aggression during a female's fertile period decreases the likelihood that the female's young are sired by males other than her territorial partner. 2. Female-female aggression during the egg-laying period functions to decrease the likelihood that females' broods contain nestlings from other females of the same species that lay their eggs in the nests of neighbors. 3. Mate- guarding by males is a response to females' behavior or ecological circumstances that increase the likelihood that females mate with more than one male. 4. Parental feeding of nestlings by males varies according to males' likelihood of genetic paternity as indicated by the behavior of females when they are fertile. These are important questions for several reasons. Dr. Gowaty and her colleagues are attempting to observe evolutionary processes as they occur, by testing the current functional utility and evolutionary significance of important, sometimes dramatic, social behaviors. Also, the researchers are testing hypotheses about the relationship of "confidence of paternity" (the perceived likelihood that a male is the actual genetic sire of the offspring he cares for) to actual genetic paternity as assessed using DNA markers. This in turn is important because ideas about confidence of paternity are theoretically prominent explanations for variation in the social behavior of male animals.

该研究项目将检验有关进化力量的四个假设，这些假设彼此相互影响，它们彼此之间的行为以及它们饲养的雏鸟的行为：1。在女性肥沃时期，男性男性侵略降低了女性的年轻人受到领土伴侣以外的雄性的痛苦。 2。在卵子上的攻击时期的攻击性降低了女性的育雏的可能性，这些可能性含有来自其他雌性的雏鸟，这些雌性将其产卵在邻居的巢穴中。 3.男性守护女性的行为或生态环境的回应增加了女性与多个男性交配的可能性。 4。男性对雏鸟的父母喂养根据雄性的遗传亲子关系的可能性而变化，如女性肥沃时的行为所表明的那样。这些是重要的问题，原因有几个。 Gowaty博士和她的同事们试图通过测试当前的功能效用和重要，有时是戏剧性的社会行为来观察进化过程。此外，研究人员正在检验关于“父子信”关系的假设（男性是他所关心的后代的实际遗传父亲的感知可能性）与使用DNA标记评估的实际遗传亲子关系。反过来，这很重要，因为关于亲子关系的信心的想法在理论上是对男性动物社会行为变化的重要解释。