Alternative life-history strategies in the evolution of colour polymorphism

理论家们早就认识到颜色多态系统的价值，因为它为遗传多样性、适应性甚至物种形成的进化提供了一个窗口。然而，很少有物种表现出适当的离散多态性，因此，很少有经验证据支持这些观点。通过一系列的创新实验和一种独特的鸟，展示三种不同的头部颜色，我将测试这些理论，产生的结果将具有重大的国际影响。了解高度濒危的黄翅雀的环境和遗传多样性的相互作用也提供了一个机会，让我们深入了解如何有效地管理日益减少的野生种群。

Theoreticians have long recognised the value of colour polymorphic systems for providing a window into the evolution of genetic diversity, adaptations and even speciation. However, few species display appropriate discrete polymorphisms, and as such, there is little empirical evidence to support these ideas. Using a series of innovative experiments and a unique bird displaying three discrete head colours, I will test these theories, producing results which will have a major international impact. Understanding the interaction of environmental and genetic diversity in the highly endangered Gouldian finch also offers an opportunity to provide insight into how declining wild populations can be effectively managed.