1977/01/01 by Robert E. Ricklefs · 3 citations
Environmental Science · Agricultural and Biological Sciences · #Avian ecology and behavior #Plant and animal studies #Animal Ecology and Behavior Studies
paper · doi:10.2307/1368016
Current thinking about variation in life-history measured, nest structure and placement, clutch size, patterns among species of animals stresses and incubation period were recorded, and the reac- variation in the effort expended by parents tions of the adults to my approach to the nest and to rear their young (Steams 1976).Follow-of the young to their being handled were noted.The study included one to three nests of each of 17 ing Williams ( 1966)) many authors have sugspecies: PiPRIDAE-Red-capped Manakin ( Pip~a gested that optimum reproductive effort is a mentalis j : / I TYRANNIDAE-Rustv-margined Flycompromise between augmenting any one catcher (Myiozetetes cayanensis), ?ermilGon-crowned year' s productivity and increasing the prob-( = Social) Flycatcher (M.similis), Fork-tailed Flyability of survival to the following breeding catcher (Muscivora tyrannus), Tropical Kingbird