This research focuses on the formation of perceptions of professional roles among Russophone journalists in Estonia during the political and societal transformation from 1991 when Estonia regained independence up to 2016. ...
The warning displays of aposematic organisms signal to predators that they possess a secondary defence and are unprofitable. Within species variation exists in the strength of the signal and defence. As natural selection ...
Anssi Vainikka on väitöskirjassaan selvittänyt vaikuttavatko särjen ja suutarin ornamenttien tuottoon kytketyt hormonit niiden immuunipuolustuskykyyn. Vastoin ennakko-oletuksia, testosteronin tai estradiolin ei havaittu ...
Fromhage, Lutz; Henshaw, Jonathan M.(Wiley-Blackwell, 2022)
Costly signalling theory is based on the idea that individuals may signal their quality to potential mates and that the signal's costliness plays a crucial role in maintaining information content (‘honesty’) over evolutionary ...
