John F. Kearney & Associates
Social and Environmental Research
Nocturnal migration was up by 43% in the number of flight calls per night and 42% in the number of estimated birds per night over the previous week. Total flight calls and estimated birds were twice the number recorded for the same
Authors: Kenneth V. Rosenberg, Adriaan M. Dokter, Peter J. Blancher, John R. Sauer, Adam C. Smith, Paul A. Smith, Jessica C. Stanton, Arvind Panjabi, Laura Helft, Michael Parr, Peter P. Marra Year: 2091 Publication: Science Publication Link: https://science.sciencemag.org/content/366/6461/120 Abstract: Species extinctions have
Authors: Gabriel Norevik, Susanne Åkesson, Arne Andersson, Johan Backman, Anders Hedenstro Year: 2019 Publication: PLOS Biology Publication Link: https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3000456 Abstract: Every year, billions of seasonal migrants connect continents by transporting nutrients, energy, and pathogens between distant communities and ecosystems. For animals that
Authors: Ingunn M. Tombre, Thomas Oudman, Paul Shimmings, Larry Griffin, Jouke Prop Year: 2019 Publication: Global Change Biology Publication Link: https://onlinelibrary.wiley.com/doi/full/10.1111/gcb.14793 Keywords: age effects, dynamic strategies, explorative behaviour, food quality, population increase, range shift, spring migration Abstract: All long‐distance migrants must cope
Authors: Roswitha Wiltschko and Wolfgang Wiltschko Year: 2019 Publication: Journal of the Royal Society Interface Publication Link: https://royalsocietypublishing.org/doi/10.1098/rsif.2019.0295 Keywords: radical pair processes, flavin adenine dinucleotide cycle, superparamagnetic magnetite, trigeminal nerve, magnetic pulse, radiofrequency fields Abstract: Birds can use two kinds of information
Authors: Paul Dufour, Sébastien Descamps, Stéphane Chantepie, Julien Renaud, Maya Guéguen. Katja Schiffers. Wilfried Thuiller, Sébastien Lavergne Year: 2019 Publication: Journal of Biogeography Publication Link: https://onlinelibrary.wiley.com/doi/abs/10.1111/jbi.13700 Keywords: ancestral state reconstructions, biogeographic scenarios, bird migration, climatic niche, conservatism, migration distance, phylogenetic comparative methods
Photo taken by fisherman Spencer Fraser on 27 September 2019, used with permission.