604 research outputs found
The antiquarian photography of Cosmo Innes
No full textThe article focuses on the photography of historian Cosmo Innes. The author provides a brief historical background on Innes, discusses his interest in photographing pre-Reformation Scottish churches, and contrasts his work depicting church architecture to his photographs of country mansions, including Cawdor Castle, Auldbar Castle, and Gordon Castle
Data for Imperfect transparency and camouflage in glass frogs (03-2020)
No full textData associated with the manuscript: Barnett, J.B., Michalis, C., Anderson, H.M, McEwen, B.L., Yeager, J., Pruitt, J.N., Scott-Samuel, N.E., and Cuthill, I.C. Imperfect transparency and camouflage in glass frogs. There are no personal data, human-related content or copyright issues associated with any of the material
***SUPERCEDED***Drewitt et al., Parental provisioning in an urban apex predator
No full text***n.b. Please note that this data is now defunct, and the correct and current dataset is available at: Cuthill, I., Drewitt, E. (2025): Data to accompany the paper by Drewitt et al. on Parental provisioning in an urban apex predator. https://doi.org/10.5523/bris.ktoawwl5x9lq2fbb1jko9edoe Data to accompany the paper by Drewitt et al., Parental provisioning in an urban apex predato
Year-round sexual harassment as a behavioral mediator of vertebrate population dynamics
No full textWithin-species sexual segregation is a widespread phenomenon among vertebrates but its causes remain a topic of much debate. Female avoidance of male coercive mating attempts has the potential to influence the social structure of animal populations, yet it has been largely overlooked as a driver of sexual separation. Indeed, its potential role in long-term structuring of natural populations has not been studied. Here we use a comparative approach to examine the suitability of multiple hypotheses forwarded to account for sexual segregation (i.e. activity budget; predation risk; thermal niche - fecundity; and social factors) as drivers underlying sex-specific habitat use in a monomorphic model vertebrate, the small spotted catshark, Scyliorhinus canicula. Using this hypothesis-driven approach we show that year-round sexual habitat segregation in S. canicula can be accounted for directly by female avoidance of male sexual harassment. Long-term electronic tracking reveals sperm-storing female catsharks form daytime refuging aggregations in shallow water caves (~3.2 m water depth), and undertake nocturnal foraging excursions into deeper water (~25 m) most nights. In contrast, males occupy deeper, cooler habitat (~18 m) by day, and exploit a range of depths nocturnally (1 - 23 m). Males frequent the locations of shallow water female refuges, apparently intercepting females for mating when they emerge from, and return to, refuges on foraging excursions. Females partly compensate for higher metabolic costs incurred when refuging in warmer habitat by remaining inactive; however, egg production rates decline in the warmest months, but despite this, refuging behavior is not abandoned. Thermal choice experiments confirm individual females are willing to 'pay' in energy terms to avoid aggressive males and unsolicited male mating attempts. Long-term evasion of sexual harassment influences both the social structure and fecundity of the study population with females trading-off potential injury and unsolicited matings with longer term fitness. This identifies sexual harassment as a persistent cost to females that can mediate vertebrate population dynamics
Host plants as extended phenotypes of aposematic insects
No full textData and analysis scripts associated with the manuscript: McLellan, C.F., Scott-Samuel, N.E. and Cuthill, I.C. “Host plants as extended phenotypes of aposematic insects
Data and code from: No sex difference in preen oil chemical composition during incubation in Kentish plovers
No full textGilles M, Kosztolányi A, Rocha AD, Cuthill IC, Székely T, Caspers B. Data and code from: No sex difference in preen oil chemical composition during incubation in Kentish plovers. Bielefeld University; 2024.## Data and code from: No sex difference in preen oil chemical composition during incubation in Kentish plovers
##### Marc Gilles, András Kosztolányi, Afonso D. Rocha, Innes C. Cuthill, Tamás Székely & Barbara A. Caspers
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### Overview of the repository content
* **`Raw chromatographic data.zip`** is a compressed folder containing the raw chromatograms.
* **`chemdata.csv`** contains the chemical (chromatographic) data of the preen oil samples.
* **`metadata.csv`** contains the metadata of the preen oil samples.
* **`metadata_description.xlsx`** describes the variables of the metadata.
* **`Rcode.pdf`** and **`Rcode.Rmd`** contain the R code used for the analyses
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The John Innes Cytology Department of 1952
No full textThis exhibit presents a photograph of the John Innes Cytology Department in 1952, featuring renowned cytologist C.D. Darlington. The presence of Ahraful Haque, originating from Dacca, demonstrates the international collaboration and diverse talent that characterized the John Innes Institute during that time. Ahraful Haque worked at the John Innes Horticultural Institute in the early 1950s, resigning in 1953.
Author: L.S. Clarke
Date: 1952
People Featured: L. Sachs, R. de Pienaar, A. Haque, R.D. Brock, J. McLeish, G.J. Dowrick, J. Morrison, J.B. Hair, L.F. La Cour, C.D. Darlington, A. Rutishauser
Source: John Innes Centre Archives, Folder: JI/P/AL1/75
© John Innes Archives, courtesy of the John Innes Foundation.</p
Explaining individual variation in patterns of mass loss in breeding birds
No full textBackground Studies of birds have a disproportionate representation in the literature on life-history evolution, because of the (apparent) ease with which the costs and benefits can be quantified and manipulated. During reproduction, birds frequently show a highly conserved pattern of mass change and changes in mass loss during breeding have been widely considered to be a valid short-term measure of the costs of reproduction. Experimental manipulations of the breeding attempts of birds usually argue that the presence of a response shows that a cost of reproduction exists, but there is little consensus as to how the size of these costs can be measured. Results We model this mass loss by considering how a parent can maximise its lifetime reproductive success, using a theoretical framework that is particularly suited to modelling parental care in altricial birds. If lifetime reproductive success is taken to be the sum of a parent's current and future reproductive success, we show that the exact forms of these components will influence the optimal amount of mass a parent should lose. In particular, we demonstrate that the shape of the relationship between parental investment and chick survival will lead to differing degrees of investment between parents of different initial qualities: parents with initially high levels of energy reserves could conceivably invested a lesser, similar or greater amount of resources than parents with initially low reserves, and these initially 'heavy' parents could potentially end up being lighter than the initially 'lighter' individuals. Conclusion We argue that it is difficult to make predictions about the dependence of a parent's final mass on its initial mass, and therefore mass loss should only be used as a short-term measure of the costs of reproduction with caution. The model demonstrates that we require a better understanding of the relationship between mass loss and both current and future reproductive success of the parent, before predictions about mass loss can be made and tested. We discuss steps that could be taken to increase the accuracy of our predictions.Background: Studies of birds have a disproportionate representation in the literature on life-history evolution, because of the (apparent) ease with which the costs and benefits can be quantified and manipulated. During reproduction, birds frequently show a highly conserved pattern of mass change and changes in mass loss during breeding have been widely considered to be a valid short-term measure of the costs of reproduction. Experimental manipulations of the breeding attempts of birds usually argue that the presence of a response shows that a cost of reproduction exists, but there is little consensus as to how the size of these costs can be measured. Results: We model this mass loss by considering how a parent can maximise its lifetime reproductive success, using a theoretical framework that is particularly suited to modelling parental care in altricial birds. If lifetime reproductive success is taken to be the sum of a parent's current and future reproductive success, we show that the exact forms of these components will influence the optimal amount of mass a parent should lose. In particular, we demonstrate that the shape of the relationship between parental investment and chick survival will lead to differing degrees of investment between parents of different initial qualities: parents with initially high levels of energy reserves could conceivably invested a lesser, similar or greater amount of resources than parents with initially low reserves, and these initially 'heavy' parents could potentially end up being lighter than the initially 'lighter' individuals. Conclusion: We argue that it is difficult to make predictions about the dependence of a parent's final mass on its initial mass, and therefore mass loss should only be used as a short-term measure of the costs of reproduction with caution. The model demonstrates that we require a better understanding of the relationship between mass loss and both current and future reproductive success of the parent, before predictions about mass loss can be made and tested. We discuss steps that could be taken to increase the accuracy of our predictions
Innes Smith Medical Portrait
No full textPortrait of Sir Thomas Browne. Physician and author. After a paintin
Innes Smith Medical Portrait
No full textPhotograph of a sculpture of John Heysham. Author of "The Carlisle Bills of Mortality
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