A comparison of avian use of high- and low-elevation sites during autumn migration in central New Mexico
Effects of grazing on vegetation structure, prey availability, and reproductive success of Grasshopper Sparrows
Breeding chronology of Marbled Murrelets varies between coastal and inshore sites in southern British Columbia
A trade-off between predation risk and sibling competition in the begging behavior of Coal and Great Tits
Territory size and stability in a sedentary neotropical passerine: is resource partitioning a necessary condition?
Impact of ectoparasitic blowfly larvae (Protocalliphora spp.) on the behavior and energetics of nestling Blue Tits