Papers

Papers

BTO publishes peer-reviewed papers in a wide range of scientific journals, both independently and with our partners. If you are unable to access a scientific paper by a BTO author, please contact us.

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Environmental and Geographic Conditions on the Breeding Grounds Drive Bergmannian Clines in Nightjars

Author: Skinner, A.A., Korpach, A.M., Åkesson, S., Bakermans, M.H., Bayne, E.M., Benson, T.J., Boano, G., Brigham, R.M., Christiansen, S.S., Conway, G.J., Davy, C.M., Evens, R., Fraser, K.C., Harrison, A.-L., Hedenström, A., Henderson, I.G., Honkala, J., Jacobsen, L.B., Lathouwers, M., Marra, P.P., Ng, J.W., Norevik, G., Scarpignato, A.L., Thorup, K., Tonra, C.M., Van Wilgenburg, S.L., Vitz, A.C., Ward, M. & Knight, E.

Published: 2025

Bergmann’s rule (or ‘law’) is one of the oldest in ecology and evolutionary biology, first presented in 1847. This rule states that animals inhabiting colder climates/latitudes are larger, with greater volume than individuals of the same species occupying warmer climates/latitudes.

12.07.25

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Tracking of Goosanders Mergus merganser in Scotland

Author: Wetherhill, A., Carss, D.N., Heward, C.J., Humphreys, E.M., Hunt, J., Wilson, M.J. & Calladine, J.

Published: 2025

This study assessed the use of glue-mounted GPS tags to track Goosanders in two Scottish river catchments with contrasting management regimes – the Tweed, where licensed shooting occurs, and the Forth, where it does not.

11.07.25

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Partial niche partitioning in three sympatric gull species through foraging areas and habitat selection

Author: O'Hanlon, N.J., Clewley, G.D., Johnston, D.T., Thaxter, C.B., Langlois Lopez, S., Quinn, L.R., Boersch-Supan, P.H., Masden, E.A., Daunt, F., Wilson, J., Burton, N.H.K. & Humphreys, E.M.

Published: 2025

GPS tracking of three large gull species from the Isle of May, Scotland, revealed overlap in foraging habitats used during the breeding season, but differences in the where the three species foraged, and the strength of their preference for particular habitats, especially landfills, urban and coastal habitats.

01.07.25

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