Essays about: "Nest"
Showing result 6 - 10 of 87 essays containing the word Nest.
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6. Neophobia and parental care in collared flycatchers (Ficedula albicollis)
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : Parental care can be important especially in passerine birds and can depend on environment, food availability and behaviour. A behaviour that can affect the food supply for the offspring is neophobia, the fear of novel objects. The more fear the bird exhibits the less it visits the nest with food. READ MORE
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7. The relative effect of gained extra-pair paternity versus ensured within-pair paternity on male fitness in collared flycatchers, Ficedula albicollis
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : Variation in a male ability to gain extra-pair paternity and maintain within-pair paternity are important sources of variation in male fitness in socially monogamous species and thus become the resource of sexual selection on male secondary sexual traits. While the maximum possible number of offspring sired within the social pair-bond is limited by the female’s clutch size, the possible number of sired extra-pair young could in theory by much higher. READ MORE
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8. Common Guillemots Uria aalge Alter Trip Patterns During Breeding
University essay from SLU/Dept. of Animal Environment and HealthAbstract : Seabirds are facing immense pressures, primarily induced by competition with commercial fisheries; this is of considerable concern due to the critical role that they play in marine food webs and their invaluable function as bioindicators. In this thesis, I studied the temporal change in trip duration for the Common Guillemot Uria aalge, a circum-arctic seabird species. READ MORE
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9. Modersegenskaper hos suggor
University essay from SLU/Dept. of Animal Environment and HealthAbstract : I den här litteraturstudien så har litteratur som publicerat forskningsresultat om modersegenskaper hos suggor sammanställts. Syftet med det här arbetet är att ta reda på vilka egenskaper som man anser är modersegenskaper samt hur egenskaperna kan påverka överlevnaden hos smågrisar innan avvänjningen. READ MORE
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10. Common Guillemots Uria aalge Alter Trip Patterns During Breeding
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : Seabirds are facing immense pressures, primarily induced by competition with commercial fisheries; this is of considerable concern due to the critical role that they play in marine food webs and their invaluable function as bioindicators. In this thesis, I studied the temporal change in trip duration for the Common Guillemot Uria aalge, a circum-arctic seabird species. READ MORE
