Sökning: "Passerine birds"
Visar resultat 1 - 5 av 30 avhandlingar innehållade orden Passerine birds.
1. Birds and Borrelia
Sammanfattning : The Lyme disease causing spirochaete Borrelia burgdorferi sensu lato is transmitted by ticks within the genus Ixodes. These ticks are liberal host seekers and parasitise mammals, birds and reptiles.Prior to this study, the distribution of I. ricinus ticks and Lyme disease was thought to be restricted to the southern half of Sweden. LÄS MER
2. Attacking predators and fleeing prey : detection, escape and targeting behaviour in birds
Sammanfattning : The aim of this thesis is to further our understanding of predator and prey behaviour and decision making in different attack situations. The thesis deals with escape strategies, predator detection ability and prey targeting behaviour. LÄS MER
3. Role of birds in the biology of Lyme disease Borrelia
Sammanfattning : Lyme disease is a tick-transmitted illness caused by Borrelia burgdorferi sensu lato (s.l.), a group of spirochetes with at least three human pathogenic species, B. burgdorferi sensu stricto, B. LÄS MER
4. On urbanisation and birds : Insights from a molecular and physiological perspective
Sammanfattning : Urbanisation of natural habitats is rapidly intensifying and poses a potential global threat for wildlife. Thus, it is important to explore its impact on wildlife in order to understand the present and future threats and how resilient organisms are to them. LÄS MER
5. Integrative taxonomy of birds : Studies into the nature, origin and delimitation of species
Sammanfattning : Species are the basic currency in biodiversity studies but what constitutes a species has long been controversial. A major breakthough was the insight that most systematists agree that species are segments of population lineages, and that multiple lines of evidence should be employed and integrated, a procedure called integrative taxonomy. LÄS MER
