Sources of variation in breeding-ground fidelity of mallards (Anas platyrhynchos)
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چکیده
منابع مشابه
Maintenance of influenza A viruses and antibody response in mallards (Anas platyrhynchos) sampled during the non-breeding season in Alaska
Prevalence of influenza A virus (IAV) infections in northern-breeding waterfowl has previously been reported to reach an annual peak during late summer or autumn; however, little is known about IAV infection dynamics in waterfowl populations persisting at high-latitude regions such as Alaska, during winter. We captured mallards (Anas platyrhynchos) throughout the non-breeding season (August-Apr...
متن کاملShape and sources of variations of the functional response of wildfowl: an experiment with mallards, Anas platyrhynchos
Understanding the variations of the functional response of an organism, i.e. the predation rate in relation to prey density, is necessary to understand the interactions between the animal and its food supply. This has received little attention in dabbling ducks so we investigated experimentally the shape of the functional response of mallard feeding on poultry pellets, and assessed the influenc...
متن کاملEmbryotoxic and teratogenic effects of petroleum hydrocarbons in mallards (Anas platyrhynchos).
Egg surface applications of microliter quantities of crude and refined oils of high aromatic content are embryotoxic to mallards (Anas platyrhynchos) and other avian species; applications of aliphatic hydrocarbons have virtually no effect. Mallard eggs at 72 h of development were exposed to a mixture of aromatic hydrocarbons or to aromatic compounds representative to those present in crude oil ...
متن کاملTransfer of Maternal Antibodies against Avian Influenza Virus in Mallards (Anas platyrhynchos)
Maternal antibodies protect chicks from infection with pathogens early in life and may impact pathogen dynamics due to the alteration of the proportion of susceptible individuals in a population. We investigated the transfer of maternal antibodies against avian influenza virus (AIV) in a key AIV host species, the mallard (Anas platyrhynchos). Combining observations in both the field and in mall...
متن کاملFailure of productive infection of Mallards (Anas platyrhynchos) with H16 subtype of avian influenza viruses
BACKGROUND Mallard ducks and other waterfowl represent the most important reservoirs of low pathogenic avian influenza viruses (LPAIV). In addition, mallards are the most abundant duck species in Eurasia that migrate over long distances. Despite extended wild bird monitoring studies over the past decade in many Eurasian countries and investigating hundreds of thousands of wild bird samples, no ...
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ژورنال
عنوان ژورنال: Behavioral Ecology
سال: 2002
ISSN: 1465-7279
DOI: 10.1093/beheco/13.4.543