Attributes / relations provided by
♦ ¹Liang, H., Li, N., & Chen, Z. (2016). The prey tactics by two owl species in the forest of northeastern China. Folia Zoologica, 65(3), 208-213.
♦ ²Food habits of Zamenis longissimus (Laurenti, 1768) (Reptilia: Serpentes: Colubridae) in Bieszczady (south-eastern Poland), BARTŁOMIEJ NAJBAR, Vertebrate Zoology 57 (1) 2007, 73-77
♦ ³Avian and mammalian predators of shrews in Europe: regional differences, between-year and seasonal variation, and mortality due to predation, Erkki Korpimäki & Kai Norrdahl, Ann. Zool. Fennici 26:389-400. 1989