Asher, Robert J; Helgen, Kristofer M. Nomenclature and placental mammal phylogeny. BMC Evolutionary Biology. 2010, 10 (1): 102. doi:10.1186/1471-2148-10-102.
Clutton-Brock, TH. Mammalian mating systems.. Proceedings of the Royal Society of London. Series B, Biological sciences. 1989-05-22, 236 (1285): 339–72. PMID 2567517. doi:10.1098/rspb.1989.0027.
Emlen, ST; Oring, LW. Ecology, sexual selection, and the evolution of mating systems.. Science (New York, N.Y.). 1977-07-15, 197 (4300): 215–23. PMID 327542. doi:10.1126/science.327542.
Carranza, Juan. Female attraction by males versus sites in territorial rutting red deer. Animal Behaviour. 1995-08, 50 (2): 445–453. doi:10.1006/anbe.1995.0258.
Buzzard, P. J.; Bleisch, W. V.; Xü, D.; Zhang, H. Evidence for lekking in chiru. Journal of Zoology. 2008-12, 276 (4): 330–335. doi:10.1111/j.1469-7998.2008.00493.x.
Wells, Kentwood D. The social behaviour of anuran amphibians. Animal Behaviour. 1977-08, 25: 666–693. doi:10.1016/0003-3472(77)90118-X.
Thirgood, Simon; Langbein, Jochen; Putman, Rory J. Intraspecific Variation in Ungulate Mating Strategies: The Case of the Flexible Fallow Deer. Advances in the Study of Behavior. 1999, 28: 333–361. doi:10.1016/s0065-3454(08)60220-x.
Gaulin, Steven J. C. A Jarman/Bell model of primate feeding niches. Human Ecology. 1979-03, 7 (1): 1–20. doi:10.1007/BF00889349.
Robbins, Charles T.; Robbins, Barbara L. Fetal and Neonatal Growth Patterns and Maternal Reproductive Effort in Ungulates and Subungulates. The American Naturalist. 1979-07, 114 (1): 101–116. doi:10.1086/283456.
Barber-Meyer, S. M.; Mech, L. D. Factors influencing predation on juvenile ungulates and natural selection implications. Wildlife Biology in Practice. 2008-06-30, 4 (1). doi:10.2461/WBP.2008.4.2.
Linnell, J. D. C.; Andersen, R. Timing and synchrony of birth in a hider species, the roe deer Capreolus capreolus. Journal of Zoology. 1998-04, 244 (4): 497–504. doi:10.1111/j.1469-7998.1998.tb00055.x.
Blank, D; Yang, W. Suckling behavior in goitered gazelle: do females invest more in twins or singletons?. Zoology (Jena, Germany). 2015-10, 118 (5): 348–56. PMID 26150400. doi:10.1016/j.zool.2015.02.005.
Sadleir, R. M. F. S. Energy and protein intake in relation to growth of suckling black-tailed deer fawns. Canadian Journal of Zoology. 1980-07-01, 58 (7): 1347–1354. doi:10.1139/z80-187.
Dardente, Hugues; Wood, Shona; Ebling, Francis; Sáenz de Miera, Cristina. An integrative view of mammalian seasonal neuroendocrinology. Journal of Neuroendocrinology. 2019-05, 31 (5). doi:10.1111/jne.12729.
Yeates, N. T. M. The breeding season of the sheep with particular reference to its modification by artificial means using light. The Journal of Agricultural Science. 1949-01, 39 (1): 1–43. doi:10.1017/S0021859600004299.
Waddell, PJ; Kishino, H; Ota, R. A phylogenetic foundation for comparative mammalian genomics.. Genome informatics. International Conference on Genome Informatics. 2001, 12: 141–54. PMID 11791233.
Clutton-Brock, TH. Mammalian mating systems.. Proceedings of the Royal Society of London. Series B, Biological sciences. 1989-05-22, 236 (1285): 339–72. PMID 2567517. doi:10.1098/rspb.1989.0027.
Emlen, ST; Oring, LW. Ecology, sexual selection, and the evolution of mating systems.. Science (New York, N.Y.). 1977-07-15, 197 (4300): 215–23. PMID 327542. doi:10.1126/science.327542.
Blank, D; Yang, W. Suckling behavior in goitered gazelle: do females invest more in twins or singletons?. Zoology (Jena, Germany). 2015-10, 118 (5): 348–56. PMID 26150400. doi:10.1016/j.zool.2015.02.005.