Now showing items 1-2 of 2

  • Dominancia vizsgálata zebrapintyek között 

    Drexler Tamás (2015)
    Social hierarchy is one of the most often used terms, to describe the relationships among animals living in groups. However, the bigger the groups are, the bigger the chance is that the observed structure will not be ...
  • Segítő zebrapintyek: Kooperáció vagy kényszer? 

    Rigler, Eszter (2011)
    The evolution of cooperation between non-kin animals has been explained by mutualism. Altruistic assistance is costly, but if reciprocated the costs diminish. However, recent studies suggest that reciprocity between non-kin ...