go and the Redvented Bulbul In Proceedings of the All India Symposium of Environmental Biology. Department of Zoology, University of Kerala. pp. 40–42.{{cite book}}:  CS1 maint: multiple names: authors list (link)↑ Waite, HW (1920). "Birds of different species nesting in company". J. Bombay Nat. Hist. Soc. 27 (1): 171.↑ Van Gruisen, J (2004). "Red-vented bulbul Pycnonotus cafer feeding Black Drongo Dicrurus macrocercus chicks". J. Bombay Nat. Hist. Soc. 101: 159–60.↑ Melville, DS (1992). "Intense mobbing by a Black Drongo Dicrurus macrocercus". J. Bombay Natural History Society. 88: 285.↑ Davies NB & Welbergen JA (2008). %20Welbergen%202008.pdf "Cuckoo-hawk mimicry? An experimental test" (PDF). Proc. Biol. Sci. 275 (1644): 1817–1822. doi:10.1098/rspb.2008.0331. PMC 2587796. PMID 18467298. {{cite journal}}: Check |url= value (help)[permanent dead link]↑ Nijman, Vincent (2004). "Seasonal variation in naturally occurring mobbing behaviour of drongos (Dicruridae) towards two avia