Authenticated (27/07/04) by Dr Claudio Sillero-Zubiri. Deputy Chair, IUCN-SSC Canid Specialist Group.
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Oestrus: The time of ovulation (release of an egg from the ovary) in female mammals, when the female becomes receptive to males, also known as ‘heat'.
Subspecies: A population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.