Upland wildlife ecology — Continued Page 



Grizzly bear population study ia Yellowstone National Park 31 



Javelina management based on research 32 



Rabbit behaWor 32 



Influence of himting on rabbit populations 33 



Beaver management In Alaska 33 



Beaver movements and productivity in southeastern Idaho 35 



Life history of the black-footed ferret 35 



Rodent populations in relation to grazing use 36 



Response of cotton rat to population density 36 



Ecology of prairie grouse on sandhill refuges 37 



Nutrient content of foods utilized by bobwhite quail 38 



Meams' quail management 38 



Efi'ects of water development on Gambel's quail 38 



Golden eagle population study 39 



New York State posting study 40 



Foreign game introduction program 40 



Pesticide-wildlife relations 43 



Pesticides in the Lake Michigan ecos.vstem 43 



Reproduction in a DDT-contaminated herring gull population 44 



Fate and persistence of DDT in a forest environment 44 



Contamination removed from Rocky Mountain Arsenal Lakes 45 



Effects of pesticides on birds of prey 45 



Pesticide residues in water birds 46 



Prairie grouse-pesticides investigation 47 



Pehcans and pesticides 47 



DDT in .Ajitarctic animals 48 



Songbird abundance and food in malathion-treated forests 48 



Surveillance of spruce budworm control programs 48 



Death related to DDT residues in the brain 49 



New techniques facilitate pesticide studies 50 



Wildlife diseases and parasites 52 



Susceptibility of birds to type E botulinal tosLn 52 



Avian botulism-blowfly relation confirmed 54 



Malaria infections in waterfowl 55 



Nutritional deficiency in Canada geese 56 



Waterfowl parasite manuscripts completed 56 



Animal control methods 57 



Gulls controlled by predators 57 



New avicide for starlings and blackbirds 57 



Help for urban starling victims 57 



Eastern blackbird movements as related to crop depredations 58 



Migration of blackbirds from a winter roost 59 



Experimental decoy traps tested on blackbirds 59 



Color marking pays off in blackbird bandings 61 



Ecological relations of robins to fruit in Massachusetts 64 



Classification, distribution, and life history studies 65 



The mammals of Alaska 66 



Sea otter studies in Alaska 66 



Harbor seal 67 



Mammals of Maryland 67 



Mammals of Assateague Island 67 



Biological reconnaissance in northwest Alaska 67 



Cooperative Wildlife Research Units 68 



Wildlife graduates at Unit schools 69 



Employment of Unit graduates 69 



Extramural Di\Tsion-financed research 69 



AppEN'DrxEs 72 



A. Organization chart of the Division 72 



B. Location of wildlife research activities 73 



C. Organization chart of the Bureau 74 



D. Bureau and Division offices related to research 75 



E. Publications, 1964 76 



IV 



