Search for dissertations about: "nest concealment"
Found 3 swedish dissertations containing the words nest concealment.
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1. Behaviour and life-history responses to chick provisioning under risk of nest predation
Abstract : This thesis examines risk management in breeding Siberian jays (Perisoreus infaustus), which is indigenous to the northern taiga. Parent behaviour and the nest are cryptic. A new nest is built each year. It is placed on spruce or pine branches close to the trunk and well insulated with lichens, feathers and reindeer hair. READ MORE
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2. Getting informed in a risky world : risk assessment, predator information & parental decisions
Abstract : Predation ultimately affects the fitness of individuals. In nest building species like birds, the predation of dependent offspring is the most important source of reproductive failure, favouring the selection of parental adaptations to enhance offspring survival. READ MORE
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3. Population ecology and management of waders breeding on coastal meadows
Abstract : Many wader (Charadrii) populations are declining throughout in Europe, but the underlying causes are often poorly known and diverse. To fully grasp the reasons behind declines in vulnerable wader populations, it is crucial to understand the demography. READ MORE