eng Oriental Scientific Publishing Company Biomedical and Pharmacology Journal 0974-6242 2015-02-15 2 1 133 136 638 article R. Vats 1 C. S. Bhardwaj 1 Academic Counsellor IGNOU and Assistant Project Coordinator, SSA, Ambala (India). Lecturer in Zoology, Dayal Singh College, Karnal (India). The herd size of Indian Black Buck (Antilope cervicapra) Linn. is studied at M.C Zoological park, Chhatbir (Pb). During the studies the behaviour of the old male and female black buck was contrary to the normal herd composition. The present studies revealed that the old male and female black buck remains lonely during most part of the year in comparison to the young bucks and does. https://biomedpharmajournal.org/vol2no1/a-study-of-the-behaviour-of-the-old-male-and-female-indian-black-buck-antilope-cervicapra-linn-mammalia-artodactyla-in-the-context-of-herd-size-at-m-c-zoological-park-chattbir-pb/ Antilope cervicapra Herd size Old male female black bucks