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Homing Behavior (0):
Recent article
Homing Behavior
American Naturalist (178)S1 2011
Abstract
We assess these theories in an analysis of the twofold decline in bird species richness along the Himalayas from the southeast to the northwest. The presence of fewer species in the northwest is entirely due to a steep decline in the number of forest species; species occupying more open habitats sho...
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PMID: 21956095
PDF is available here.
PDF is available here.
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Abstract
Quantification of the spatial needs of individuals and populations is vitally important for management and conservation. Geographic information systems (GIS) have recently become important analytical tools in wildlife biology, improving our ability to understand animal movement patterns, especially...
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PMID: 20127138
PDF is available here.
PDF is available here.
Abstract
We studied the emergence and dispersion patterns of the digger wasp Stizus continuus. Individuals emerged daily in clumped patterns, possibly revealing a certain synchrony of emergence from the same nests, and protandry appeared both at seasonal and daily level. Differences between the number of fem...
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PMID: 20338545
PDF is available here.
PDF is available here.
Abstract
Behavioral Neuroscience (124)1 2010
Abstract
We report the development of such a task in rats: by slowly rotating rats before their return to a trial-unique home base, we could show subjects relied on internal cues only to navigate. To illustrate how this task can be combined with recording, we show examples of simultaneously recorded head dir...
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PMID: 20141292
PDF is available here.
PDF is available here.
Abstract
This article provides a report of the behavior of a solitary sociable dolphin studied on the southeast coast of England in 2007. This is the first study of its kind in which behavior of such a nonhuman animal was systematically studied. By the time of this study, this young female was highly interac...
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PMID: 20017044
PDF is available here.
PDF is available here.
Abstract
We combine this theoretical framework with recent insights from directed walk theory, and develop an intuitive yet mathematically rigorous proof that only one class of neural representation of space can tolerate noise during path integration. This result suggests many existing models of path integra...
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PMID: 21085678
PDF is available here.
PDF is available here.
Abstract
We combine this theoretical framework with recent insights from directed walk theory, and develop an intuitive yet mathematically rigorous proof that only one class of neural representation of space can tolerate noise during path integration. This result suggests many existing models of path integra...
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PMID: 21085678
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
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PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
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PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
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PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
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PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
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PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
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PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
|
PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
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PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
|
PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
|
PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
|
PMID: 19995804
PDF is available here.
PDF is available here.
Journal of Heredity (101)3 2010
Abstract
We examined patterns of paternity in Virginia opossums occupying a highly fragmented agricultural landscape in northern Indiana. During 2008, we collected tissue from 64 females and their pouch young in 34 forest patches distributed over a 1100-km(2) region. Using genotypes from 10 microsatellite lo...
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PMID: 19995804
PDF is available here.
PDF is available here.
Abstract
We performed a post hoc analysis of the relationship between vanishing bearings and local variations in magnetic intensity using previously published datasets for pigeons homing to lofts in Germany. Vanishing bearings of both experienced and naïve birds were strongly associated with magnetic intens...
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PMID: 19556255
PDF is available here.
PDF is available here.
Abstract
We assessed seasonal changes in the home range of this monkey population and found a different ranging pattern of from earlier studies. Daily range size was calculated as 4.80 ± 5.81 ha (mean ± standard deviation), with a range of 45.66 ha (0.01-45.67 ha).
© 2009 ISZS, Blackwell P...
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PMID: 21392286
PDF is available here.
PDF is available here.
Abstract
We used 28 primate GRIN2A sequences and various proxies of memory across primates to investigate the role of GRIN2A. Codon-specific sequence analysis on these sequences showed that GRIN2A in primates coevolved with a likely ecological proxy of spatial memory (relative home-range size) but not with o...
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PMID: 19243446
PDF is available here.
PDF is available here.
Southern Medical Journal (102)5 2009
Abstract
The southern and eastern margins of the range of the brown recluse spider run through the southeastern quadrant of the United States. Populations vary from abundant in states such as Arkansas and west and central Kentucky and Tennessee to absent in the Atlantic seaboard states. The diagnosis of loxo...
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PMID: 19373143
PDF is available here.
PDF is available here.
American Naturalist (173)4 2009
Abstract
We show that an increase in home range area does not lead to an increase in parasite diversity in ungulates and, moreover, that it is associated with a decrease in parasite species richness in carnivores and in glires (rodents and lagomorphs). We also show that home range size is negatively correlat...
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PMID: 19232003
PDF is available here.
PDF is available here.
Naturwissenschaften (96)4 2009
Abstract
Our results did not show that L. tarantula used these visual landmarks to find the burrow. L. tarantula seems to use only proprioceptive information obtained during the outbound path to estimate the distance traveled....
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PMID: 19107455
PDF is available here.
PDF is available here.
Abstract
In an open-field search task, pigeons (Columba livia) were trained to search for a goal located at the midpoint of the hypothetical line connecting two discrete visual landmarks positioned 60 cm apart. In Experiment 1, global orienting cues were absent. After reaching training criter...
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PMID: 19236148
PDF is available here.
PDF is available here.
Abstract
We synthesize current first passage time theory and derive a general first passage time equation for animal movement. This equation is related to the Fokker-Planck equation, which is used to describe the distribution of animals in the landscape. We illustrate the first passage time method by analyzi...
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PMID: 18825463
PDF is available here.
PDF is available here.
Abstract
We tested the ecological-constraints model on highly folivorous ursine colobus monkeys (Colobus vellerosus) at the Boabeng-Fiema Monkey Sanctuary in Ghana. Three differently sized groups were followed for 13 months and two others were followed for 6 months each in 2004-2005 using focal-animal sampli...
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PMID: 18828147
PDF is available here.
PDF is available here.
Folia Primatologica (80)1 2009
Abstract
Accurate estimates of a primate's home range are important, yet methods vary greatly. This paper examines the accuracy of minimum convex polygon (MCP), adaptive kernel (AK) and fixed kernel (FK) estimators by comparing home range estimates of northern bearded saki monkeys (Chiropotes satanas chiropo...
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PMID: 19208993
PDF is available here.
PDF is available here.
Abstract
We show a strong association between the clownfish Amphiprion percula and coral reefs surrounding offshore islands in Papua New Guinea. Host anemones and A. percula are particularly abundant in shallow water beneath overhanging rainforest vegetation. A series of experiments were carried out using pa...
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PMID: 18755672
PDF is available here.
PDF is available here.
Ecological Applications (18)8 2008
Abstract
We examined the effects of a mitigation program for juvenile salmonids on subsequent adult migration behaviors and survival. Juvenile chinook salmon (Oncorhynchus tshawytscha) and steelhead (O. mykiss) were collected and uniquely tagged with passive integrated transponder (PIT) tags at Lower Granite...
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PMID: 19263886
PDF is available here.
PDF is available here.
Current Biology (18)21 2008
Abstract
Abstract
We tested two hypotheses with captive cotton-top tamarins: (a) Tamarins will demonstrate higher rates of initial learning when rewarded for attending to spatial cues versus color cues. (b) Tamarins will show higher rates of correct responses when transferred from color cues to spatial cues than from...
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PMID: 19014268
PDF is available here.
PDF is available here.
Abstract
We show that this characteristic hippocampus volume is dependent on flying and navigational experience. Twenty homing pigeons originating from the same breeding stock were raised in the same loft under identical constraints. After fledging, 10 of them were allowed to fly around the loft, gain naviga...
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PMID: 18946210
PDF is available here.
PDF is available here.
Behavioural Processes (79)3 2008
Abstract
It has been suggested that birds prefer to use a particular eye while learning to detect cryptic prey and that this eye preference enhances foraging performance. European starlings (Sturnus vulgaris) with the left, right, or both eyes available learned to detect inconspicuous cues associated with th...
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PMID: 18639618
PDF is available here.
PDF is available here.
Journal of Experimental Biology (211)Pt 21 2008
Abstract
We show in the first experiment that desert ants that are captured immediately after leaving their nest and then transferred to a remote test area search for the nest rather than activate their previous path integration vector. In a second experiment, the ants had been trained to a landmark corridor...
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PMID: 18931310
PDF is available here.
PDF is available here.
Abstract
We found that behavioral patterns and patterns of resource utilization were not markedly different between areas of exclusive use and overlap areas of adjacent home ranges. Group cohesion tended to be higher in overlap than in core areas, but the proportion of time spent resting and foraging did not...
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PMID: 18613007
PDF is available here.
PDF is available here.
Abstract
We tested a prediction of Haldane's rule: autosomal alleles should introgress more than z-linked alleles or mitochondrial haplotypes across the Passerina amoena/Passerina cyanea (Aves: Cardinalidae) hybrid zone. We screened 222 individuals collected along a transect in the Great Plains of North Amer...
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PMID: 18691261
PDF is available here.
PDF is available here.
Biological Cybernetics (99)3 2008
Abstract
We propose a memory architecture that is suited to solve a specific task, namely homing, that is finding a not directly visible home place by using visually accessible landmarks. We show that an agent equipped with such a memory structure can autonomously learn the situation and can later use its me...
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PMID: 18797951
PDF is available here.
PDF is available here.
Behavioural Processes (79)1 2008
Abstract
We analysed the ranging behaviour of 27 female roe deer Capreolus capreolus, equipped with GPS collars, inhabiting a fragmented landscape in France. We compared female movements during the rutting period with a non-rutting period over two summers using a recently published approach. Search intensity...
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PMID: 18555619
PDF is available here.
PDF is available here.
Behavioural Brain Research (191)2 2008
Abstract
The response properties of 48 right (n=24) and left (n=24) hippocampal formation (HF) cells were examined by recording from freely moving homing pigeons as they foraged in an open-field environment with unstable goal locations. Compared to previous results based on HF recordings from environments wi...
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PMID: 18468703
PDF is available here.
PDF is available here.
Abstract
We report results from the first ichthyoplankton survey to cover the whole North Sea. Also, this survey, conducted in 2004, was the first to make extensive use of DNA-based molecular methods to unambiguously identify early developmental stage cod eggs. We compare the findings from the plankton surve...
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PMID: 18397869
PDF is available here.
PDF is available here.
Abstract
We introduce a class of stochastic models for animal movement in a habitat of varying preference. Such models interpolate between spatially implicit resource selection analysis (RSA) and advection-diffusion models, possessing these two models as limiting cases. We find a closed-form solution for the...
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PMID: 18064464
PDF is available here.
PDF is available here.
Ecology Letters (11)6 2008
Abstract
We review recent advances in modelling home range behaviour, focusing particularly on the problem of identifying mechanisms that lead to the emergence of stable home ranges from unbounded movement paths. We discuss the issue of spatiotemporal scale, which is rarely considered in modelling studies, a...
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PMID: 18400017
PDF is available here.
PDF is available here.
Journal of Experimental Biology (211)Pt 11 2008
Abstract
We briefly contrast underwater oceanic navigation with terrestrial navigation and summarize the advantages and constraints of different approaches used to analyze animal navigation in the sea. In addition, we highlight studies and techniques that have begun to unravel the sensory cues that underlie...
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PMID: 18490387
PDF is available here.
PDF is available here.
Journal of Experimental Biology (211)Pt 12 2008
Abstract
We studied the effects of a displaced nest mark on the homing performances of Cataglyphis ants. Foragers were trained to shuttle between the nest, which was marked by a black cylinder (the beacon), and an artificial feeder. Trained ants were captured at the feeder and transferred to a distant test f...
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PMID: 18515716
PDF is available here.
PDF is available here.
Abstract
We tested both hypothesis by analysing the movement pattern of individuals. We also investigated whether egg laying is time constrained, which would enhance the trade-off between flying and egg laying. Thirty females of Maculinea rebeli (Lepidoptera: Lycaenidae) were tracked within a single populati...
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PMID: 18305965
PDF is available here.
PDF is available here.
Acta Oto-Laryngologica (128)4 2008
Abstract
By comparing the compositions of the three different kinds of otoliths among several species of sea fish and birds, it was found that the saccular and utricular otoliths contain scarcely detectable levels of iron but that iron is present in significant quantities in the lagenal otoliths of the birds...
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PMID: 18368579
PDF is available here.
PDF is available here.
Abstract
We show that familiar landmarks encountered by the ants during their run towards the feeder can change the ants' motivational state insofar that the ants even if disturbed continue to run in the nest-to-feeder direction rather than reverse their courses, as they do in landmark-free situations. Hence...
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PMID: 18236048
PDF is available here.
PDF is available here.
Abstract
Upon return to this territory 24 h later, intruders moved less than controls and produced more distress vocalizations, indicating conditioned fear to context. Additionally, analyses revealed that both pre-existing behavioral differences, and the animal's response during social conflict, predicted th...
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PMID: 17449061
PDF is available here.
PDF is available here.
Abstract
We documented variation in the winter movements, foraging range size, site fidelity, and distribution patterns of a molluscivorous sea duck, the surf scoter (Melanitta perspicillata), in two areas of coastal British Columbia with very different shellfish prey features. Baynes Sound has extensive tid...
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PMID: 18210158
PDF is available here.
PDF is available here.
Behavioural Brain Research (187)2 2008
Abstract
We recorded from 15 location and six path cells, with color cues positioned near four goal locations. Following color cue rotation, most location cells (12/15) shifted their response fields; path cells (5/6) lost their fields. Therefore, local visual cues can independently define a reference frame f...
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PMID: 17997170
PDF is available here.
PDF is available here.
Abstract
We lack empirical evidence that it occurs in nature. Here we show that dispersing brush mice (Peromyscus boylii) are more likely to search and settle within their natal habitat type than expected based on habitat availability. These results document the occurrence of NHPI in nature and highlight the...
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PMID: 18077253
PDF is available here.
PDF is available here.
Journal of Experimental Biology (211)Pt 3 2008
Abstract
We evaluated, for the first time, how different flight efforts affect the oxidative status using homing pigeons (Columba livia) as a model species. Two groups of pigeons flew for around 60 and 200 km, respectively. Pigeons that flew for 200 km had a 54% increase in oxidative damage as measured by se...
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PMID: 18203993
PDF is available here.
PDF is available here.
Abstract
We investigated individual differences in forebrain V1aR expression of male prairie voles in mixed-sex seminatural enclosures. Individual differences in V1aR were compared with space use measured by radio telemetry and paternity determined with microsatellite markers. Animals engaging in extra-pair...
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PMID: 18212120
PDF is available here.
PDF is available here.
Abstract
We trained M. bagoti ants to either two or three inward routes that led through different parts of their maze-like foraging grounds. Here, we show that ants are able to adopt multiple habitual paths in succession and that they preserve initially acquired route memories even after they have been trai...
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PMID: 18160534
PDF is available here.
PDF is available here.
Current Biology (18)1 2008
Abstract
We investigate three potential correlates of male site fidelity (age, habitat quality, and maternal space use) in wild chimpanzees (Pan troglodytes). We found that when alone, each male preferentially concentrated his space use near the area where his mother ranged when he was dependent. We suggest...
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PMID: 18158245
PDF is available here.
PDF is available here.
Neotropical Entomology (37)5 2008
Abstract
The stingless bee Melipona capixaba Moure & Camargo is a species restricted to the Atlantic forest in the Domingos Martins, Conceição do Castelo, Venda Nova do Imigrante and Afonso Cláudio County, in the Espírito Santo State, Brazil. Despite its cological importance as pollinator few studies hav...
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PMID: 19061051
PDF is available here.
PDF is available here.
Abstract
In Svalbard, Norway, the only intermediate host for Echinococcus multilocularis, the sibling vole, has restricted spatial distribution. A survey of feces from the main host, the arctic fox, showed that only the area occupied by the intermediate host is associated with increased risk for human infect...
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PMID: 18258082
PDF is available here.
PDF is available here.