Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Charlotte L. Roy Nielsen"'
Publikováno v:
The Auk. 125:679-686
Distributing eggs among multiple nests may have a selective advantage over laying eggs in one nest when stochastic events, such as predation, affect individuals of the same phenotype differently. However, an earlier analysis revealed that the mean fi
Publikováno v:
Biological Conservation. 141:1043-1054
Swamp rabbits (Sylvilagus aquaticus) are state-endangered in Indiana, USA, and population decline has been attributed to habitat loss. We conducted pellet surveys as part of a long-term survey effort that has been conducted at approximate 10-year int
Publikováno v:
Journal of Wildlife Management. 71:875-883
Wood ducks (Aix sponsa) and other species use tree cavities in forested wetlands and adjacent upland forests for nest sites and cover. The availability of tree cavities suitable for nesting is important to the population dynamics of hole-nesting spec
Publikováno v:
Journal of Mammalogy. 88:441-447
Observing mating behaviors in wild populations is difficult because of the relative infrequency of copulations, nocturnal habits of many species, and possible observer effects on behavior. However, the development of genetic techniques has enabled th
Publikováno v:
The Condor. 109:210-215
Abstract The importance of flooding to birds that nest in bottomland hardwood forests is poorly understood, in part because floods are difficult to predict. A large flood occurred in 2002, during our study of cavity-nesting Wood Ducks (Aix sponsa) in
Publikováno v:
Animal Behaviour. 72:917-926
Intraspecific nest parasitism may have few costs to hosts in species with precocial young and limited parental care. We examined costs and benefits of parasitism to hosts and parasites in wood ducks, Aix sponsa. Hosts laid fewer eggs when parasitized
Publikováno v:
Journal of Wildlife Management. 70:835-843
Wood duck (Aix sponsa) hens are known to lay eggs in nests of other wood ducks. Low levels of intraspecific nest parasitism can increase the number of ducklings produced, but at high levels, increased numbers of eggs are offset by reduced hatching su
Publikováno v:
Behavioral Ecology. 17:491-496
We investigated the role of kinship in intraspecific nest parasitism of wood ducks (Aix sponsa). Among waterfowl, female philopatry creates the potential for female relatives to nest in proximity. Costs of intraspecific nest parasitism to host female