作者: Scott R. McWilliams , William H. Karasov
DOI: 10.1016/S1095-6433(00)00336-6
关键词: Flexibility (engineering) 、 Ecology 、 Food quality 、 High energy 、 Ecological significance 、 Biology 、 Food intake 、 Nutrient 、 Food restriction 、 System structure
摘要: … Recent evidence suggests that birds utilize and replenish both … phenotypic flexibility in both body composition and the digestive system of migratory birds are important in allowing birds …