Brunton, D.H., Evans, B., Cope, T. and Ji, W. (2008). A test of the dear enemy hypothesis in female New Zealand bellbirds (Anthornis melanura): female neighbors as threats. Behavioral Ecology, 19 (4): 791-798. DOI: 10.1093/beheco/arn027 [1]Archived 2013-06-17 at archive.today
Moser-Purdy, C; MacDougall-Shackleton, E; Mennill, D. J. (2017). "Enemies are not always dear: male song sparrows adjust dear enemy effect expression in response to female fertility". Animal Behaviour. 126: 17–22. doi:10.1016/j.anbehav.2017.01.009. S2CID53273443.
Frankie, Gordon W.; Vinson, S. B.; Lewis, Alcinda (1979-04-01). "Territorial Behavior in Male Xylocopa micans (Hymenoptera: Anthophoridae)". Journal of the Kansas Entomological Society. 52 (2): 313–323. JSTOR25083909.
Husak, J.F. and Fox, S.F., (2003). Spatial organisation and the dear enemy phenomenon in adult female collared lizards., Journal of Herpetology, 37, 211-215 [2]
Brunton, D.H., Evans, B., Cope, T. and Ji, W. (2008). A test of the dear enemy hypothesis in female New Zealand bellbirds (Anthornis melanura): female neighbors as threats. Behavioral Ecology, 19 (4): 791-798. DOI: 10.1093/beheco/arn027 [1]Archived 2013-06-17 at archive.today
Moser-Purdy, C; MacDougall-Shackleton, E; Mennill, D. J. (2017). "Enemies are not always dear: male song sparrows adjust dear enemy effect expression in response to female fertility". Animal Behaviour. 126: 17–22. doi:10.1016/j.anbehav.2017.01.009. S2CID53273443.
