Authenticated (04/04/05) by Peter Grubb, Natural History Museum, London.
Glossary
Deciduous: of a plant that sheds its leaves at the end of the growing season.
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.