Grønstøl, Gaute Bø; Byrkjedal, Ingvar; Fiksen, Øyvind - In: Behavioral Ecology 14 (2003) 2, pp. 257-267
The rationale behind the polygyny threshold model is that the breeding situation quality (BSQ) males have to offer … contemporary monogamous females is similar. This is not generally found. Testing of the polygyny threshold model (PTM) assumes that … vulgaris), pied flycatcher (Ficedula hypoleuca), and blue tit (Parus caeruleus). We suggest that before testing polygyny …