Titlebook: Current Ornithology; Volume 3 Richard F. Johnston Book 1986 Plenum Press, New York 1986 bird.ecology.evolution.reproduction.social behavior

Biguanides

The Evolution of Normal and Reverse Sexual Size Dimorphism in Shorebirds and other Birds, evolution of sexual size dimorphism. Shorebirds exhibit a diverse range of size and plumage dimorphism that not only exceeds that found in other families of birds but virtually encompasses the range of variation found in the Class Aves. They include species in which males are the larger sex ( “norm

不透明性

钝剑

杂役

Heterochrony, Deferred Breeding, and Avian Sociality,nterest (cf. Gould, 1977; Nelson, 1978). The focus of the renaissance is the phenomenon of heterochrony. A complex concept, heterochrony refers to changes in the timing of ontogeny, specifically to shifts in development of one organ system with respect to other systems (Gould, 1977).