Conner, William E. (2014). «Adaptive Sounds and Silences: Acoustic Anti-Predator Strategies in Insects». Insect Hearing and Acoustic Communication. Animal Signals and Communication. Vol. 1. pp. 65–79. doi:10.1007/978-3-642-40462-7_5. ISBN 978-3-642-40461-0. ISSN 2197-7305. adaptive silence, acoustic crypsis, stealth,
Mitchell, G.; Skinner, J. D. (2003). «On the origin, evolution and phylogeny of giraffes Giraffa camelopardalis» (PDF). Transactions of the Royal Society of South Africa. 58 (1): 51–73. Bibcode: 2003TRSSA..58…51M. doi:10.1080/00359190309519935. S2CID 6522531
Kiltie, Richard A. (January 1998). Countershading: Universally deceptive or deceptively universal?. Trends in Ecology & Evolution. 3 (1): 21—23. doi:10.1016/0169-5347(88)90079-1. PMID21227055.
Kiltie, Richard A. (January 1998). «Countershading: Universally deceptive or deceptively universal?». Trends in Ecology & Evolution. 3 (1): 21–23. doi:10.1016/0169-5347(88)90079-1. PMID 21227055
Mitchell, G.; Skinner, J. D. (2003). «On the origin, evolution and phylogeny of giraffes Giraffa camelopardalis» (PDF). Transactions of the Royal Society of South Africa. 58 (1): 51–73. Bibcode: 2003TRSSA..58…51M. doi:10.1080/00359190309519935. S2CID 6522531
Mitchell, G.; Skinner, J. D. (2003). «On the origin, evolution and phylogeny of giraffes Giraffa camelopardalis» (PDF). Transactions of the Royal Society of South Africa. 58 (1): 51–73. Bibcode: 2003TRSSA..58…51M. doi:10.1080/00359190309519935. S2CID 6522531