(en) Truman P. Young, Maureen L. Stanton, Caroline E. Christian (2003) Effects of natural and simulated herbivory on spine lengths of Acacia drepanolobium in Kenya. Oikos April 2003, 101 (1), 171–179. DOI10.1034/j.1600-0706.2003.12067.x
(en) Kaitlyn M. Gaynor, « A big-headed problem drives an ecological chain reaction », Science, vol. 383, no 6681, , p. 370-371 (DOI10.1126/science.adn3484).
(en) Douglas N. Kamaru, Todd M. Palmer, Corinna Riginos, Adam T. Ford, Jayne Belnap et al., « Disruption of an ant-plant mutualism shapes interactions between lions and their primary prey », Science, vol. 383, no 6681, , p. 433-438 (DOI10.1126/science.adg146).