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Post-fledging behaviour of juveniles in the Little Owl (Athene noctua)

Published on Jan 1, 2013
Kasper Thorup26
Estimated H-index: 26
,
Dorthe Pedersen4
Estimated H-index: 4
+ 3 AuthorsCarsten Rahbek65
Estimated H-index: 65
Abstract
D. Pedersen, K. Thorup & L. B. Jacobsen, Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, DK-2100 Copenhagen, Denmark. Corresponding author: Kasper Thorup, e-mail: kthorup@snm. ku.dk P. Sunde, Department of Bioscience, Aarhus University, Grenavej 14; DK-8410 Ronde, Denmark C. Rahbek, Center for Macroecology, Evolution and Climate; Department of Biology; University of Copenhagen; DK-2100 Copenhagen, Denmark
  • References (38)
  • Citations (6)
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References38
Newest
#1John C. AviseH-Index: 1
Parents and their progeny share a mutuality of evolutionary interests that fosters behavioral and genetic cooperation between them. This assumption seemed so logical that it was seldom challenged in the evolutionary literature.
13 CitationsSource
#1Kasper Thorup (UCPH: University of Copenhagen)H-Index: 26
#2Dorthe Pedersen (UCPH: University of Copenhagen)H-Index: 4
Last. Carsten Rahbek (UCPH: University of Copenhagen)H-Index: 65
view all 5 authors...
Survival rate is an essential component of population dynamics; therefore, identification of variation in mortality rates and the factors that influence them might be of key importance in understanding why populations increase or decrease. In Denmark, the Little Owl Athene noctua, a species strongly associated with anthropogenically modified landscapes, is declining fast and may soon face extinction. The population decline is ultimately associated with reduced survival of independent offspring, ...
12 CitationsSource
#1Nicholas Per Huffeldt (UCPH: University of Copenhagen)H-Index: 3
#2Iben Nœs Aggerholm (UCPH: University of Copenhagen)H-Index: 1
Last. Peter Sunde (AU: Aarhus University)H-Index: 19
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Capsule Recovery distances of Barn Owls ringed as pulli are conditional on ringing date but not on population density. Aims To test whether ring recovery distances (proxy for natal dispersal distances) were conditional on population density and reproductive timing. Methods We used ringing data of pulli ringed in Denmark (1921–2009; n = 590) and glmms to test density, recovery time, ringing date and brood size for their influence on dispersal probability and recovery distance. Results The probabi...
1 CitationsSource
#1H. FramisH-Index: 1
#2G. L. HolroydH-Index: 1
Last. Santi MañosaH-Index: 1
view all 3 authors...
In recent decades agricultural landscapes in Catalonia have undergone a profound transformation as in most of Europe. Reforestation and urban development have reduced farmland and therefore the availability of suitable habitat for some bird species such as the little owl (Athene noctua). The outskirts of the city of Mataro by the Mediterranean Sea exemplify this landscape change, but still support a population of little owl where agriculture is carried out. Three resident little owls were monito...
14 Citations
#1Kasper Thorup (UCPH: University of Copenhagen)H-Index: 26
#2Peter Sunde (AU: Aarhus University)H-Index: 19
Last. Carsten Rahbek (UCPH: University of Copenhagen)H-Index: 65
view all 4 authors...
Many farmland bird species have declined markedly in Europe in recent decades because of changes in agricultural practice. The specific causes vary and are poorly known for many species. The Little Owl, which feeds extensively on large invertebrates and is strongly associated with the agricultural landscape, has declined over most of northwestern Europe, including Denmark. We investigated the likely reasons for the population decline in Denmark by identifying patterns of local extinction (scale,...
38 CitationsSource
#1Grzegorz Grzywaczewski (University of Life Sciences in Lublin)H-Index: 6
Home ranges of 11 Little Owls Athene noctua were studied using radio telemetry in agricultural landscapes of eastern Poland during the breeding seasons of 2000–03. Owls were tracked from the time of egg laying until the young dispersed (15 April – 22 August). Areas of use were determined for three periods: egg laying and incubation period (15 April –17 May), nestling period (8 May – 28 June), and fledgling period (29 June – 22 August). During the egg laying and incubation period use areas were o...
13 CitationsSource
#1Anja Gladbach (FSU: University of Jena)H-Index: 8
#2Christina Büßer (FSU: University of Jena)H-Index: 2
Last. Petra Quillfeldt (MPG: Max Planck Society)H-Index: 30
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Begging behaviour as a key element in the parent–offspring conflict has been studied in many avian species. These types of studies have nearly exclusively been based on call counts, and it is still not entirely clear whether begging calls themselves contain any information. We studied begging behaviour in Wilson’s storm-petrel Oceanites oceanicus, a small procellariiform seabird. This species provides the opportunity to study the signalling value of begging calls in the absence of potentially co...
14 CitationsSource
#1Peter Sunde (AU: Aarhus University)H-Index: 19
#2Kasper Thorup (UCPH: University of Copenhagen)H-Index: 26
Last. Carsten Rahbek (UCPH: University of Copenhagen)H-Index: 65
view all 7 authors...
Knowledge of a species’ spatial behaviour is essential for understanding its behavioural ecology, as well as a prerequisite to planning of conservation strategies. The Little Owl (Athene noctua) has shown a substantial decline in north-western Europe and is on the road of extinction in Denmark. To quantify relevant aspects of spatial behaviour in the last remaining Danish population, we followed 27 radio-tagged owls representing 14 territories during a period of 2 years. Mated owls were resident...
26 CitationsSource
#1Anthony J. Gaston (CWS: Canadian Wildlife Service)H-Index: 47
I compared the timing of colony departure and body mass of 53 Ancient Murrelet Synthliboramphus antiquus chicks that were retrapped as adults in Haida Gwaii, British Columbia, with those of 3992 chicks not retrapped. If the probability of recapture is a measure of survival, survival was related to both mass and date. Chicks that left the colony at 26 g or less had a lower chance of survival than heavier chicks, and those that left after the median date of departure survived better in some years ...
51 CitationsSource
#1Javier Bustamante (CSIC: Spanish National Research Council)H-Index: 31
I observed the natural process of family break-up in 13 families of Black Kites Milvus migrans and five families of Red Kites M. milvus in which fledglings had been individually marked. In other broods, I performed experiments which modified the parental investment fledglings received by supplementing nests of both species with food or transferring Black Kite chicks to nests with younger or older chicks of the same species. The time of family break-up in the Black Kite is mainly an offspring dec...
26 CitationsSource
Cited By6
Newest
#1Line Holm Andersen (AU: Aarhus University)H-Index: 1
#2Peter Sunde (AU: Aarhus University)H-Index: 19
Last. Cino Pertoldi (AAU: Aalborg University)H-Index: 29
view all 5 authors...
The agricultural scene has changed over the past decades, resulting in a declining population trend in many species. It is therefore important to determine the factors that the individual species depend on in order to understand their decline. The landscape changes have also resulted in habitat fragmentation, turning once continuous populations into metapopulations. It is thus increasingly important to estimate both the number of individuals it takes to create a genetically viable population and...
Source
#1Peter Sunde (AU: Aarhus University)H-Index: 19
#2Pernille Johansen Naundrup (AU: Aarhus University)H-Index: 1
The post-fledging dependency period (PFDP: from fledging to cessation of parental care) is a critical yet poorly studied life history transition phase during which juveniles mature and develop skills for independence. We studied the spatial and vocal behaviour of radio-tagged juvenile Tawny Owls in 41 broods from fledging to independence (56–84 days) in 6 years of contrasting food conditions. Dispersion and nocturnal movements increased during the first 20–30 days post-fledging, after which the ...
1 CitationsSource
#1Marek Kouba (CULS: Czech University of Life Sciences Prague)H-Index: 5
#2Luděk Bartoš (CULS: Czech University of Life Sciences Prague)H-Index: 15
Last. Karel Šťastný (CULS: Czech University of Life Sciences Prague)H-Index: 9
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Abstract Counting of calling males during territorial or nuptial displays is a method widely used for census of populations of wild vertebrates during the pre-breeding and breeding periods, particularly in relation to census of populations of wild birds. In principle, a similar method could be used for assessing numbers of surviving offspring, by monitoring of begging calls, but is used only rarely. We explored the possibility of assessing post-fledging survival of Tengmalm's Owl young by counti...
Source
#1Line Holm Andersen (Uppsala University)H-Index: 1
#2Peter Sunde (AU: Aarhus University)H-Index: 19
Last. Cino PertoldiH-Index: 29
view all 4 authors...
When a bird population is facing extinction, ecologically artificial conservation actions such as feeding and captive breeding may be considered as temporary efforts to rescue the population remains until environmental conditions for a self-sustaining population have been restored. Population viability analysis can be used to evaluate different management options for endangered bird populations. Here we use the program VORTEX to explore different management strategies using the Danish population...
2 Citations
#1Marek Kouba (CULS: Czech University of Life Sciences Prague)H-Index: 5
#2Luděk Bartoš (CULS: Czech University of Life Sciences Prague)H-Index: 15
Last. Markéta Zárybnická (CULS: Czech University of Life Sciences Prague)H-Index: 8
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The behaviour of the nestlings of nocturnal cavity-nesting species has relatively rarely been studied in detail because of problems connected with use of the technical devices required to provide long-term monitoring of individuals. However, long-term observation of nestling behaviour is crucial in order to identify different types of behaviour which may be caused by sibling competition at the end of nesting period. We studied behaviour of 43 Tengmalm's owl (Aegolius funereus) nestlings at 14 ne...
4 CitationsSource
#1Marek Kouba (CULS: Czech University of Life Sciences Prague)H-Index: 5
#2Luděk Bartoš (CULS: Czech University of Life Sciences Prague)H-Index: 15
Last. Karel Št‚astný (CULS: Czech University of Life Sciences Prague)H-Index: 2
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Begging behaviour of nestlings has been intensively studied for several decades as a key component of parent-offspring conflict. There are essentially two main theories to account for intensity of food solicitation among offspring: that intensity of begging is related to some form of scramble competition between nest mates or that it offers honest signalling of need to parents. The vast majority of studies which have addressed begging behaviour have been based on observations of, and experiments...
9 CitationsSource