TY - BOOK AU - Bass, Karen TI - Nature's great events SN - 9781845334567 AV - QH 45.2 .N37 2009 PY - 2009/// CY - Chicago ; London PB - University of Chicago Press KW - Natural history KW - Animal migration KW - Biological rhythms KW - Animal populations KW - Animal behavior KW - Cycles KW - Seasons N1 - "First published in Great Britain on 2009 by Mitchell Beazley"-- t.p. verso. Companion book to the television series. Includes bibliographical references (p. 315) and index N2 - In this companion book to the television series, six of the most spectacular natural phenomena on our planet are explored--the flooding of the Okavango Delta in Botswana; the melting of 10 million square kilometers of ice in the Arctic; the migration of the Serengeti; the great salmon run in British Columbia; the explosion of sea life in Alaska's coastal waters; and perhaps the greatest marine spectacle on the planet, the annual tide of sardines along South Africa's east coast ER -