Browsing Museene by Author "Johannessen, Lars E"

Now showing items 1-2 of 2

  • Evolution of female promiscuity in Passerides songbirds 
    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 ...
  • Species-level divergences in multiple functional traits between the two endemic subspecies of Blue Chaffinches Fringilla teydea in Canary Islands 
    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 ...