CONTENTS 



Page 



Foreword vii 



The Division of Wildlife Research 1 



Tim research program 1 



Organizat ion 2 



Special Activities and Events 3 



Bureau services through the Division 3 



Research centers serve the public 3 



Assistance to Government agencies 3 



Research of special note 4 



Contamination by pesticides 4 



New animal control methods 4 



Bird banding 4 



Bat banding 4 



Studies of Midway albatrosses continued 5 



Wintering waterfowl in Mexico G 



Studies on diseases common to man and animals 6 



Rare geese from Buldir Island G 



Cooperative Wildlife Research Units conduct 250 projects 8 



New research facilities 8 



Northern Prairie Wildlife Research Center 8 



New quarters for bird and mammal sections 8 



Machine data processing unit 8 



New laboratory at Denver Center 10 



Control methods research facility 10 



New pesticide laboratory equipment 10 



Bear River Station improvements 10 



Notable publicat ions 10 



Honors 11 



Iowa Wildlife Unit leader 11 



Nat ional award 12 



Research Highlights of the Year 13 



Waterfowl management research 13 



Mallard population dynamics studied 13 



Wood duck research 13 



Mail surveys of waterfowl hunters 13 



Whistling swan hunting survey 15 



Hunters' reaction to waterfowl regulations 1G 



Kill on private versus public land 10 



Species management studies 16 



Habitat evaluation of Back Bay and Currituck Sound 10 



Goose product ion 17 



Wood duck nesting structures 18 



Management of aquatic plants 19 



Improvement in North Dakota waterfowl habitat 19 



Waterfowl production improves on Far North area 20 



Rapid growth of ducklings in Arctic 21 



Wood duck roost counts 21 



Factors affecting waterfowl foods in rice fields 22 



Fulvous tree duck in Louisiana 22 



Waterfowl renesting and homing 22 



Canada goose sex ratios 22 



Wood ducks prefer metal boxes 22 



Canada geese in the Flathead Valley 23 



Production and utilization of sago pond weed 23 



Ecology of wetland timber impoundments 24 



