Attributes / relations provided by
♦ 1Ecology of Commanster♦ 2Krebs, J. R., & Avery, M. I. (1985).
Central place foraging in the European bee-eater, Merops apiaster. The Journal of Animal Ecology, 459-472.
♦ 3Predator-Prey Database for the family Asilidae (Hexapoda: Diptera) Prepared by Dr. Robert Lavigne, Professor Emeritus, University of Wyoming, USA and Dr. Jason Londt (Natal Museum, Pietermaritzburg)
♦ 4Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.