Now showing items 1-3 of 3

  • Lifjeld, Jan T; Gohli, Jostein; Albrecht, Tomáš; Garcia-del-Rey, Eduardo; Johannessen, Lars E; Kleven, Oddmund; Marki, Petter Z; Omotoriogun, Taiwo C; Rowe, Melissah; Johnsen, Arild (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Background Female promiscuity is highly variable among birds, and particularly among songbirds. Comparative work has identified several patterns of covariation with social, sexual, ecological and life history ...
  • Cramer, Emily Rebecca A; Garcia-del-Rey, Eduardo; Johannessen, Lars Erik; Laskemoen, Terje; Marthinsen, Gunnhild; Johnsen, Arild; Lifjeld, Jan Terje (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Sperm swimming performance affects male fertilization success, particularly in species with high sperm competition. Understanding how sperm morphology impacts swimming performance is therefore important. Sperm swimming ...
  • Lifjeld, Jan T; Anmarkrud, Jarl A; Calabuig, Pascual; Cooper, Joseph E J; Johannessen, Lars E; Johnsen, Arild; Kearns, Anna M; Lachlan, Robert F; Laskemoen, Terje; Marthinsen, Gunnhild; Stensrud, Even; Garcia-del-Rey, Eduardo (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    Background One of the biggest challenges in avian taxonomy is the delimitation of allopatric species because their reproductive incompatibility cannot be directly studied in the wild. Instead, reproductive ...